JP2012077810A - Hydraulic transmission apparatus and method of manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the productivity and manufacturing cost of a hydraulic transmission apparatus equipped with a turbine damper and a centrifugal pendulum type vibration absorbing device.SOLUTION: An intermediate member 85 of a damper mechanism 8 includes first and second intermediate plates 851, 852 juxtaposed and connected in the axial direction with a driven plate 82 disposed in between as an engaging part that engages with a second coil spring 84. A turbine runner 5 is fixed to the first intermediate plate 851, while a support member 101 of the centrifugal pendulum type vibration absorbing device 10 is fixed to the second intermediate plate 852 while being shifted in the radial direction to the fixing part of the turbine runner 5 and the first intermediate plate 851. In addition, on a damper hub 80 of the damper mechanism 8, a first aligning part 803 for aligning the turbine runner 5 is formed, and a second aligning part 804 for aligning the support member 101 of the centrifugal pendulum type vibration absorbing device 10 is formed being separated from the first aligning part 803 in the axial direction.

Description

  The present invention relates to a fluid transmission device including a turbine damper and a centrifugal pendulum vibration absorber, and a manufacturing method thereof.

  Conventionally, this type of fluid transmission device includes a pump impeller connected to an input member coupled to a prime mover, a turbine runner that can rotate together with the pump impeller, an input element, the input element, and a first elastic body. A damper mechanism having an intermediate element to be engaged, an output element that is engaged with the intermediate element via a second elastic body, and is coupled to the input shaft of the transmission, and the input member and the input element of the damper mechanism are engaged. A lock-up clutch mechanism capable of executing lock-up and releasing the lock-up, and a centrifugal pendulum type vibration absorber including a support member and a plurality of mass bodies swingable with respect to the support member Has been proposed (see, for example, Patent Document 1). In this fluid transmission device, in order to improve the vibration damping characteristics, a turbine runner is connected to the intermediate element of the damper mechanism so as to function as a so-called double turbine damper, and the support member of the centrifugal pendulum vibration absorber is the damper mechanism. Connected to an intermediate element.

International Publication No. 2010/000220

  In the fluid transmission device as described above, in order to improve the power transmission performance of the pump impeller and the turbine runner and the vibration damping characteristics of the turbine damper and the centrifugal pendulum vibration absorber, the turbine runner and the centrifugal pendulum vibration absorber It is necessary to fix the support member to the intermediate element of the damper mechanism while accurately aligning the support member around the axis of the fluid transmission device. However, in the fluid transmission device described in Patent Document 1, the turbine runner and the centrifugal pendulum type vibration absorber are supported unless a dedicated jig is used when fixing the support member of the turbine runner or the centrifugal pendulum type vibration absorber to the intermediate element. The members cannot be aligned, and the conventional fluid transmission device has problems in terms of productivity and manufacturing cost.

  Therefore, the main object of the present invention is to improve the productivity and manufacturing cost of a fluid transmission device including a turbine damper and a centrifugal pendulum vibration absorber.

  The fluid transmission device and the manufacturing method thereof according to the present invention employ the following means in order to achieve the main object described above.

A fluid transmission device according to the present invention includes a pump impeller connected to an input member coupled to a prime mover, a turbine runner rotatable with the pump impeller, a damper mechanism having an input element, an elastic body, and an output element, A lock-up clutch mechanism capable of executing lock-up to connect the input member and the input shaft of the transmission via a damper mechanism and releasing the lock-up, and a support member and the support member A fluid transmission device comprising a centrifugal pendulum type vibration absorber including a plurality of movable mass bodies,
The turbine runner and the support member of the centrifugal pendulum vibration absorber are fixed to one element other than the elastic body and the output element of the damper mechanism, and the one element is a first element to which the turbine runner is fixed. A member and a second member to which the support member of the centrifugal pendulum vibration absorber is fixed, and the first member and the second member have an engaging portion of the output element that engages with the elastic body. A first alignment portion for aligning the turbine runner is formed in the output element of the damper mechanism, and is arranged in parallel with each other in the axial direction of the fluid transmission device. A second aligning portion for aligning the support member of the centrifugal pendulum type vibration absorber is formed apart from the first aligning portion in the axial direction, and the turbine runner and the first member A fixed portion and the far The fixed portion of the supporting member and the second member of the pendulum vibration absorbing device, characterized in that viewed from the axial direction are offset in the radial direction of the fluid power transmission device.

  In this fluid transmission device, the first member arranged in parallel in the axial direction of the fluid transmission device and the first member are disposed between the engagement portions of the output element where one element other than the elastic body and the output element of the damper mechanism engages the elastic body. The turbine runner is fixed to the first member, and the support member of the centrifugal pendulum vibration absorber is fixed to the second member. That is, a turbine runner is connected to the one element of the damper mechanism so as to constitute a so-called turbine damper, and a support member of the centrifugal pendulum vibration absorber is fixed. The output element of the damper mechanism is formed with a first aligning portion for aligning the turbine runner and a second aligning portion for aligning the support member of the centrifugal pendulum type vibration absorber. It is formed so as to be separated from the single aligning portion in the axial direction. As a result, the turbine runner is fixed to the first member while being aligned by the first aligning portion of the output element of the damper mechanism, and the support member of the centrifugal pendulum absorber is the second aligning portion of the output element of the damper mechanism. It becomes possible to fix to the second member while aligning. Therefore, in this fluid transmission device, it is not necessary to use a dedicated jig when fixing the support member of the turbine runner or the centrifugal pendulum type vibration absorber to the one element, so that productivity and manufacturing cost can be improved. When the turbine runner and the support member of the centrifugal pendulum type vibration absorber are aligned by the output element of the damper mechanism in this way, the fixing portion between the turbine runner and the first member, the support member of the centrifugal pendulum type vibration absorber, For fixing work to be formed on the supporting member of the centrifugal pendulum type vibration absorber by engaging the fixing part with the second member in the radial direction when viewed from the axial direction of the fluid transmission device It is possible to easily perform the fixing operation for the first member of the turbine runner and the fixing operation for the second member of the support member of the centrifugal pendulum vibration absorber while minimizing the opening of the turbine runner.

  The turbine runner may be fixed to the first member via a rivet, and the support member of the centrifugal pendulum vibration absorber may be fixed to the second member via a rivet. The fixing portion with the first member and the fixing portion between the support member and the second member of the centrifugal pendulum vibration absorber should not overlap in the radial direction when viewed from the axial direction. Thereby, it becomes possible to easily fix the support member of the turbine runner or the centrifugal pendulum type vibration absorber to the one element using the rivet in a state where the support member is accurately aligned around the axis of the fluid transmission device.

  Further, the damper mechanism includes a first elastic body that engages with the input element and a second elastic body that engages with the output element as the elastic body, and includes the first member and the second member. An intermediate element that engages with the first elastic body and the second elastic body may be included as the one element. In this way, by connecting the turbine runner and the centrifugal pendulum type vibration absorber to the intermediate element that tends to vibrate between the first elastic body and the second elastic body of the damper mechanism, the vibration of the intermediate element, and thus the entire damper mechanism. Can be satisfactorily absorbed by the turbine damper and the centrifugal pendulum type vibration absorber.

  The fluid transmission device is formed to be fitted to the turbine runner and is rotatably fitted to the first alignment portion of the output element, and the first member together with the turbine runner via a rivet. A turbine hub may be further provided. Thus, by aligning the turbine runner with the first aligning portion via the turbine hub, the fixing portion between the turbine runner and the first member, the support member of the centrifugal pendulum vibration absorber, and the second member The fixed portion can be easily shifted in the radial direction when viewed from the axial direction of the fluid transmission device.

A manufacturing method of a fluid transmission device according to the present invention includes a pump impeller connected to an input member coupled to a prime mover, a turbine runner rotatable with the pump impeller, an input element, an elastic body, and an output element. A lock-up clutch mechanism capable of executing a lock-up for connecting the input member and the input shaft of the transmission via the damper mechanism and releasing the lock-up, and a support member and the support member. And a centrifugal pendulum-type vibration absorber including a plurality of mass bodies each capable of swinging, and one element other than the elastic body and the output element of the damper mechanism is juxtaposed in the axial direction of the fluid transmission device A method of manufacturing a fluid transmission device comprising a first member and a second member connected to each other,
(A) A second aligning portion for aligning the support member of the centrifugal pendulum vibration absorber while forming a first aligning portion for aligning the turbine runner on the output element of the damper mechanism Forming the first centering portion apart from the first alignment portion in the axial direction;
(B) arranging the first member and the second member in parallel with each other in the axial direction and connecting the first member and the second member to the elastic body of the output element;
(C) fitting the support member of the centrifugal pendulum vibration absorber to the second alignment portion of the output element and fixing the support member and the second member;
(D) The turbine hub formed to be fitted to the turbine runner and the turbine runner are fitted, the turbine hub is fitted to the first alignment portion of the output element, and the fluid transmission device Fixing the turbine runner, the turbine hub and the first member at a position shifted in the radial direction when viewed from the axial direction of
Is included.

  According to this method, it is not necessary to use a dedicated jig when fixing the support member of the turbine runner or the centrifugal pendulum type vibration absorber to the one element, and productivity and manufacturing cost can be improved. When the turbine runner and the support member of the centrifugal pendulum type vibration absorber are aligned by the output element of the damper mechanism in this way, the fixing portion between the turbine runner and the first member, the support member of the centrifugal pendulum type vibration absorber, For fixing work to be formed on the supporting member of the centrifugal pendulum type vibration absorber by engaging the fixing part with the second member in the radial direction when viewed from the axial direction of the fluid transmission device It is possible to easily perform the fixing operation for the first member of the turbine runner and the fixing operation for the second member of the support member of the centrifugal pendulum vibration absorber while minimizing the opening of the turbine runner.

1 is a schematic configuration diagram illustrating a fluid transmission device 1 according to an embodiment of the present invention. It is explanatory drawing for demonstrating operation | movement of the fluid transmission apparatus 1 which concerns on an Example. It is explanatory drawing for demonstrating operation | movement of the fluid transmission apparatus 1B which concerns on a modification.

  Next, the form for implementing this invention is demonstrated using an Example.

  FIG. 1 is a schematic configuration diagram showing a fluid transmission device 1 according to an embodiment of the present invention. A fluid transmission device 1 shown in the figure is a torque converter mounted as a starting device in a vehicle equipped with an engine as a prime mover, and includes a front cover (input member) 3 connected to a crankshaft of an engine (not shown), A pump impeller 4 fixed to the cover 3, a turbine runner 5 rotatable coaxially with the pump impeller 4, a stator 6 for rectifying the flow of hydraulic oil (working fluid) from the turbine runner 5 to the pump impeller 4, and The damper mechanism 8 connected to the input shaft IS of the transmission which is an automatic transmission (AT) or continuously variable transmission (CVT), the front cover 3 and the damper mechanism 8 are coupled (engaged) and both A single plate friction lockup clutch mechanism 9 capable of releasing the connection (engagement) of the motor and a damper mechanism 8 And a centrifugal pendulum vibration absorbing device 10.

  The pump impeller 4 includes a pump shell 40 that is tightly fixed to the front cover 3, and a plurality of pump blades 41 that are disposed on the inner surface of the pump shell 40. The turbine runner 5 has a turbine shell 50, a plurality of turbine blades 51 disposed on the inner surface of the turbine shell 50, and a turbine hub 52 connected to the turbine shell 50 via rivets. The turbine hub 52 includes a substantially annular annular portion 52a, an axially extending portion 52b extending in the axial direction from the outer peripheral portion of the annular portion 52a toward the pump shell 40, and a diameter from the axially extending portion 52b. The turbine shell 50 is fitted to the outer peripheral portion of the annular portion 52a, and the radial extension portion 52c and the turbine shell 50 are connected to each other via a rivet. Fixed. The pump impeller 4 and the turbine runner 5 face each other, and a stator 6 that can rotate coaxially with the pump impeller 4 and the turbine runner 5 is disposed between the pump impeller 4 and the turbine runner 5. The stator 6 has a plurality of stator blades 60, and the rotation direction of the stator 6 is set in only one direction by the one-way clutch 61. The pump impeller 4, the turbine runner 5, and the stator 6 form a torus (annular flow path) for circulating hydraulic oil. A thrust bearing 11 is disposed between the stator 6 and the annular portion 52 a of the turbine hub 52.

  The damper mechanism 8 is disposed in an outer peripheral region in the oil chamber defined by a damper hub 80 (output element) fixed (spline fitting) to the input shaft IS and the pump shell 40 of the front cover 3 and the pump impeller 4. And a drive member (input element) 81 that can be integrated with the front cover 3 in the rotational direction by the lock-up clutch mechanism 9, and a driven plate 82 that is disposed in the inner peripheral region of the oil chamber and is fixed to the damper hub 80. The annular member engages with the drive member 81 via a plurality of first coil springs (first elastic members) 83 and engages with the driven plate 82 via a plurality of second coil springs (second elastic members) 84. Intermediate member 85.

  The damper hub 80 includes a drum-shaped cylindrical portion 800 having a spline formed on the inner peripheral surface, and a first extending portion 801 extending from the substantially central portion in the axial direction of the outer peripheral portion of the cylindrical portion 800 toward the radially outer side. And a second extending portion 802 that is thinner than the first extending portion 801 that extends further outward in the radial direction from the outer peripheral portion of the first extending portion 801. The first extending portion 801 has a protruding portion 801 a that extends in the axial direction toward the front cover 3, and an annular space is defined between the protruding portion 801 a and the outer peripheral surface of the cylindrical portion 800. Made. In the embodiment, the outer peripheral portion on the pump shell 40 side (transmission side) with respect to the first and second extending portions 801 and 802 of the cylindrical portion 800 formed in this way is the first alignment portion 803. The first extending portion 801 and the protrusion that are located on the front cover 3 side (engine side) from the first and second extending portions 801 and 802 of the cylindrical portion 800 and are spaced apart from the first aligning portion 803 in the axial direction. The outer peripheral part of the part 801a is a second aligning part 804. The turbine hub 52 is rotatably fitted to the first aligning portion 803, and the axial movement of the turbine hub 52 is restricted by the axial end surfaces of the snap ring and the first and second extending portions. Thereby, the turbine hub 52 is aligned by the first alignment portion 803 of the damper hub 80 and is rotatably supported by the damper hub 80.

  The drive member 81 includes first and second members that are connected to each other and hold a plurality of first coil springs 83, and each have a plurality of contact portions that contact one end of the corresponding first coil spring 83. The driven plate 82 has a plurality of abutting portions that abut against one end of the corresponding second coil spring 84, and is fixed to the outer periphery of the second extending portion 802 of the damper hub 80 by welding. Accordingly, the driven plate 82 constitutes an engaging portion that engages with the second coil spring 84 of the damper portion 80 that is an output element of the damper mechanism 8. The intermediate member 85 is disposed on the pump shell 40 side (transmission device side) with respect to the driven plate 82 that engages with the second coil spring 84 and has a plurality of contacts that contact the other end of the corresponding first coil spring 83. An annular first intermediate plate (first member) 851 having a portion, and an annular second intermediate plate (located on the front cover 3 side (engine side) with respect to the driven plate 82 engaged with the second coil spring 84) 2nd member) 852.

  The first and second intermediate plates 851 and 852 are juxtaposed in the axial direction of the fluid transmission device 1 with the driven plate 82 therebetween, and are connected to each other via rivets (not shown) to hold the plurality of second coil springs 84. To do. The first and second intermediate plates 851 and 852 each have a plurality of contact portions that contact the other end of the corresponding second coil spring 84. The first intermediate plate 851 is loosely fitted to the annular portion 52a of the turbine hub 52, and is fixed to the radially extending portion 52c of the turbine hub 52 through a rivet together with the turbine shell 50. Thereby, the 1st intermediate plate 851 and the 2nd intermediate plate 852, the turbine shell 50, and the turbine hub 52 can rotate integrally. Further, as shown in FIG. 1, at least a part of the radial extension portion 52c of the turbine shell 50, the turbine hub 52, and the fixing portion of the first intermediate plate 851 overlaps the thrust bearing 11 in the axial direction when viewed from the radial direction. Will be arranged as follows. Further, the second intermediate plate 852 is loosely fitted to the second aligning portion 804 of the damper hub 80.

  The lock-up clutch mechanism 9 is disposed inside the front cover 3 and in the vicinity of the inner wall surface of the front cover 3 on the engine side (right side in the drawing). The lock-up clutch mechanism 9 is an annular lock-up piston 90 that is fitted to the cylindrical portion 800 of the damper hub 80 and is supported on the outer peripheral surface portion of the cylindrical portion 800 so as to be slidable and rotatable in the axial direction. 90 and a friction member 91 attached to the surface on the outer peripheral side and the front cover 3 side. The inner peripheral portion of the lockup piston 90 fitted to the cylindrical portion 800 of the damper hub 80 extends in the axial direction toward the pump shell 40 (transmission device), and the distal end portion of the inner peripheral portion is a cylindrical portion. 800 and the protruding portion 801a are inserted into an annular space. As a result, the second aligning portion 804 of the damper hub 80 extends in the axial direction with a part of the outer peripheral surface of the cylindrical portion 800 that supports the lockup piston 90 (as much as the axial length of the annular space) as viewed from the radial direction. Overlap. The drive member 81 described above is connected to a cylindrical portion that extends axially from the outer peripheral portion of the lockup piston 90 to the pump shell 40 side (transmission device side). Between the back surface of the lockup piston 90 and the front cover 3, there is a lockup chamber 95 connected to a hydraulic control unit (not shown) via a hydraulic oil supply hole (not shown) and an oil passage formed in the input shaft IS. Made. As a result, when the hydraulic oil in the lockup chamber 95 is discharged via a hydraulic oil supply hole or the like by a hydraulic control unit (not shown), the lockup piston 90 moves toward the front cover 3 and is attached to the lockup piston 90. The worn friction member 91 is brought into contact with and frictionally engaged with the front cover 3, whereby the front cover 3 is engaged (coupled) with the damper hub 80 via the damper mechanism 8, whereby the power from the engine is transmitted to the front cover 3. Then, it is transmitted to the input shaft IS of the transmission via the damper mechanism 8 and the damper hub 80. Further, when the discharge of the hydraulic oil from the lockup chamber 95 is stopped, the lockup is released.

  The centrifugal pendulum vibration absorber 10 includes an annular support member 101 disposed coaxially within the lock-up piston 90, and a plurality of (four in the embodiment) mass bodies that can swing with respect to the support member 101. 102. In the support member 101 of the embodiment, a plurality of guide holes, for example, arc-shaped long holes, are formed at equal intervals. Further, the mass body 102 according to the embodiment includes two metal plates 102a formed in a disk shape and a support shaft that is rotatably inserted into the guide holes of the support member 101 and has the metal plates 102a fixed to both ends. 103. The support member 101 is fitted to the second aligning portion 804 of the damper hub 80 and is fixed to the second intermediate plate 852 of the intermediate member 85 of the damper mechanism 8 via a rivet. As a result, the support member 101 of the centrifugal pendulum vibration absorber 10 is aligned by the second alignment portion 804 of the damper hub 80 and can rotate integrally with the second intermediate plate 852 of the intermediate member 85 of the damper mechanism 8. Become. As a result, the turbine shell 50, the turbine hub 52, the first intermediate plate 851 of the intermediate member 85 of the damper mechanism 8, the second intermediate plate 852, and the support member 101 of the centrifugal pendulum vibration absorber 10 can all rotate integrally. .

  Further, in the embodiment, the fixed portion between the support member 101 and the second intermediate plate 852 of the centrifugal pendulum type vibration absorber 10 is disposed so as to overlap the thrust bearing 11 in the radial direction as seen from the axial direction, as shown in FIG. Is done. Further, the fixing portion between the support member 101 and the second intermediate plate 852 is disposed at least on the inner peripheral side with respect to the second coil spring 84 of the damper mechanism 8, and the turbine shell 50 (the turbine runner 5), the turbine hub 52, The first intermediate plate 851 is disposed so as not to overlap with the fixed portion of the intermediate plate 851 in the radial direction when viewed from the axial direction.

  Next, the operation of the above-described fluid transmission device 1 will be described with reference to FIG. In the fluid transmission apparatus 1, when the lockup is released when the front cover 3 and the drive member 81 are not connected (engaged) by the lockup clutch mechanism 9, the power from the engine as the prime mover is the front cover 3, the pump impeller 4, the turbine runner. 5, the intermediate member 85 of the damper mechanism 8, the second coil spring 84, the driven plate 82, and the damper hub 80 are transmitted to the input shaft IS of the transmission.

  On the other hand, at the time of lockup in which the front cover 3 and the drive member 81 of the damper mechanism 8 are connected (engaged) by the lockup clutch mechanism 9, the power from the engine as the prime mover is used for the front cover 3 and the lockup clutch mechanism 9. The drive member 81, the first and second coil springs 83 and 84, the driven plate 82, and the damper hub 80 are transmitted to the input shaft IS of the transmission. At this time, in the fluid transmission device 1 of the embodiment, the turbine is added to the intermediate member 85 (first and second intermediate plates 851 and 852) of the damper mechanism 8 that tends to vibrate between the first and second coil springs 83 and 84. Since the runner 5 is connected, the turbine runner 5 functions as a so-called turbine damper. Therefore, at the time of lock-up, it is possible to satisfactorily absorb the vibration of the intermediate member 85 and the vibration of the entire damper mechanism 8 by both the turbine damper constituted by the turbine runner 5 and the centrifugal pendulum type vibration absorber 10.

  Next, an assembly procedure of the fluid transmission device 1 of the embodiment, particularly an assembly procedure of the turbine runner 5, the damper mechanism 8 and the centrifugal pendulum vibration absorber 10 with respect to the damper hub 80 will be described. Prior to the assembly of these members to the damper hub 80, the first extending portion 801 and the second extending portion 802 having the protruding portion 801a are formed on the damper hub 80 to thereby form the first aligning portion 803 and the second aligning portion. 804 is formed in advance. Further, the driven plate 82 is fixed to the outer periphery of the second extending portion 802 of the damper hub 80 by welding. Subsequently, the first intermediate plate 851 and the second intermediate plate 852 constituting the intermediate member 85 of the damper mechanism 8 are juxtaposed in the axial direction between the driven plate 82 and the second coil spring 84, and a rivet (not shown) is provided. Connected to each other. More specifically, first, the second intermediate plate 852 is loosely fitted to the second alignment portion 804 of the damper hub 80, and a plurality of second coil springs 84 are disposed on the second intermediate plate 852 and the driven plate 82. The first intermediate plate 851 having the driven member 81 and the plurality of first coil springs 83 assembled to the outer periphery is fixed to the second intermediate plate 852 via a rivet (not shown). Next, the support member 101 of the centrifugal pendulum vibration absorber 10 assembled in advance is fitted into the second aligning portion 804 of the damper hub 80, and the hole 802a formed in the second extending portion 802 of the damper hub 80 is formed. The rivet is inserted into the second intermediate plate 852 and the rivet hole of the support member 101, and the rivet is caulked on the support member 101 side of the centrifugal pendulum vibration absorber 10, thereby fixing both members. Further, the turbine shell 50 of the turbine runner 5 is fitted to the annular portion 52 a of the turbine hub 52, and the turbine hub 52 is formed in the damper hub 80 while the annular portion 52 a of the turbine hub 52 is loosely fitted to the first intermediate plate 851. The first alignment portion 803 thus fitted is fitted. Then, the first intermediate plate is formed through the hole 101a formed in the support member 101 of the centrifugal pendulum vibration absorber 10, the hole 852a formed in the second intermediate plate 852, and the hole 82a formed in the driven plate 82. 851, The rivet is inserted into the rivet hole of the turbine shell 50 and the radially extending portion 52c of the turbine hub 52, and the rivet is caulked on the turbine hub 52 side to fix each member. Thus, the turbine runner 5 (turbine shell 50) is aligned by the first alignment portion 803 of the damper hub 80 via the turbine hub 52, and the centrifugal pendulum vibration absorber 10 is aligned with the second alignment of the damper hub 80. The turbine shell 50, the turbine hub 52, the damper mechanism 8, and the centrifugal pendulum type vibration absorber 10 are all connected integrally and coaxially so as to be rotatable.

  In the fluid transmission device 1 of the embodiment described above, the first coil spring 83 and the second coil spring 84 of the damper mechanism 8 and the intermediate member 85 which is one element other than the damper hub 80 and the driven plate 82 as the output elements are the second. A first intermediate plate (first member) 851 and a second intermediate plate that are arranged in parallel in the axial direction of the fluid transmission device 1 and are connected to each other with a driven plate 82 as an engaging portion that engages with the coil spring 84 interposed therebetween. (Second member) 852. The turbine runner 5 is fixed to the first intermediate plate 851, and the support member 101 of the centrifugal pendulum type vibration absorber 10 is fixed to the second intermediate plate 852. That is, the turbine runner 5 (turbine shell 50) is connected to the intermediate member 85 of the damper mechanism 8 so as to constitute a so-called turbine damper, and the support member 101 of the centrifugal pendulum vibration absorber 10 is fixed. Accordingly, the intermediate member 85 is connected to the turbine runner 5 and the centrifugal pendulum vibration absorber 10 to the intermediate member 85 that tends to vibrate between the first coil spring 83 and the second coil spring 84 of the damper mechanism 8. Thus, the vibration of the entire damper mechanism 8 can be satisfactorily absorbed by the turbine damper and the centrifugal pendulum type vibration absorber 10.

  In the above embodiment, the damper hub 80 of the damper mechanism 8 is formed with the first aligning portion 803 for aligning the turbine runner 5 (turbine shell 50), and supporting the centrifugal pendulum type vibration absorber 10. A second aligning portion 804 for aligning the member 101 is formed away from the first aligning portion 803 in the axial direction. Accordingly, the turbine runner 5 is fixed to the first intermediate plate 851 while being aligned by the first aligning portion 803 of the damper hub 80 of the damper mechanism 8, and the support member 101 of the centrifugal pendulum type vibration absorber 10 is fixed to the damper mechanism 8. It becomes possible to fix to the second intermediate plate 852 while aligning with the first aligning portion 803 of the damper hub 80. Therefore, in the fluid transmission device 1 of the embodiment, when the support member 101 of the turbine runner 5 or the centrifugal pendulum type vibration absorber 10 is fixed to the intermediate member 85, it is not necessary to use a dedicated jig for alignment. The manufacturing cost can be improved. When the turbine runner 5 and the support member 101 of the centrifugal pendulum type vibration absorber 10 are aligned by the damper hub 80 of the damper mechanism 8 in this way, the fixing portion between the turbine runner 5 and the first intermediate plate 851, the centrifugal pendulum The intermediate member 85, the damper hub 80, and the drive member 82 are shifted so that the support member 101 of the vibration damping device 10 and the fixed portion of the second intermediate plate 852 do not overlap in the radial direction when viewed from the axial direction of the fluid transmission device 1. The fixing work for the first member of the turbine runner and the support member for the centrifugal pendulum vibration absorber 10 while minimizing the opening for fixing work to be formed in the support member 101 of the centrifugal pendulum vibration absorber 10 It becomes possible to easily perform the fixing operation of the 101 to the second intermediate plate 852.

  That is, the turbine runner 5 (turbine shell 50) is fixed to the first intermediate plate 851 via rivets, and the support member 101 of the centrifugal pendulum vibration absorber 10 is fixed to the second intermediate plate 852 via rivets. Therefore, the fixed portion between the turbine runner 5 and the first intermediate plate 851 and the fixed portion between the support member 101 of the centrifugal pendulum vibration absorber 10 and the second intermediate plate 852 are overlapped in the radial direction when viewed from the axial direction. If it arrange | positions so that it may not become, the support member 101 of the turbine runner 5 or the centrifugal pendulum type vibration absorber 10 is easily fixed to the said one element using a rivet in the state centered accurately around the axis | shaft of the fluid transmission apparatus 1. Is possible.

  Further, the fluid transmission device 1 of the embodiment is formed so as to be fitted to the turbine runner 5 (turbine shell 50) and is rotatably fitted to the first aligning portion 803 of the damper hub 80. The turbine hub 52 is fixed to the first intermediate plate 851 through the rivet together with the shell 50). Thus, by aligning the turbine runner 5 with the first aligning portion 803 via the turbine hub 52, the fixing portion between the turbine runner 5 and the first intermediate plate 851 and the support of the centrifugal pendulum type vibration absorber 10 are supported. The fixed portion between the member 101 and the second intermediate plate 804 can be easily shifted so as not to overlap in the radial direction when viewed from the axial direction of the fluid transmission device 1.

  In the above embodiment, the present invention is applied to the fluid transmission device 1 including the damper mechanism 8 having a plurality of elastic bodies, that is, the first and second coil springs 83 and 84. The present invention may be applied to a fluid transmission device provided with a damper mechanism having only an elastic body. That is, the configuration described by taking the fluid transmission device 1 as an example can be applied to the fluid transmission device 1B of the modification shown in FIG. 3, and includes only the first coil spring 83 as shown in FIG. The turbine shell 50 of the turbine runner 5 and the support member 101 of the centrifugal pendulum device 10 may be coupled to the drive member 81 (lock-up piston) of the damper mechanism 8.

  Here, the correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problems will be described. In the embodiment, a pump impeller 4 connected to a front cover 3 (input member) coupled to an engine as a prime mover, a turbine runner 5 rotatable with the pump impeller 4, a drive member 81 (input element) and a first The damper mechanism 8 having the second coil springs 83 and 84 (elastic body), the damper hub 80 and the driven plate 82 (output element) fixed thereto, and the front cover 3 (input member) and the speed change via the damper mechanism 8. A lock-up clutch mechanism 9 capable of performing lock-up to connect the input shaft IS of the apparatus and releasing the lock-up, and a plurality of mass bodies 102 that can swing with respect to the support member 101 and the support member 101, respectively. The fluid transmission device 1 including the centrifugal pendulum vibration absorber 10 including the “fluid transmission device” The intermediate member 85 that includes the first intermediate plate 851 (first member) and the second intermediate plate 852 (second member) and engages with the first coil spring 83 and the second coil spring 84 is “one. It corresponds to “element” and “intermediate element”. The correspondence between the main elements of the embodiment and the main elements of the invention described in the column of means for solving the problem is the same as that of the embodiment described in the column of means for solving the problem. Therefore, the elements of the invention described in the column of means for solving the problems are not limited. That is, the interpretation of the invention described in the column of means for solving the problems should be made based on the description of the column, and the examples are those of the invention described in the column of means for solving the problems. It is only a specific example.

  As mentioned above, although the form for implementing this invention was demonstrated using the Example, this invention is not limited at all to such an Example, In the range which does not deviate from the summary of this invention, it is with various forms. Of course, it can be implemented.

  The present invention is applicable to the manufacturing industry of fluid transmission devices.

  1, 1B Fluid transmission device, 3 Front cover, 4 Pump impeller, 5 Turbine runner, 6 Stator, 8 Damper mechanism, 9 Lock-up clutch mechanism, 10 Centrifugal pendulum vibration absorber, 11 Thrust bearing, 40 Pump shell, 41 Pump blade , 50 turbine shell, 51 turbine blade, 52 turbine hub, 52a annular portion, 52b axial extension portion, 52c radial extension portion, 60 stator blade, 61 one-way clutch, 80 damper hub, 81 drive member, 82 driven plate, 82a, 101a, 802a, 852a hole, 83 first coil spring, 83 second coil spring, 84 second coil spring, 85 intermediate member, 90 lockup piston, 91 friction member, 95 lockup chamber, 01 support member, 102 mass body, 102a metal plate, 103 support shaft, 800 cylindrical part, 801 first extension part, 801 second extension part, 801a protrusion part, 802 second extension part, 803 first alignment Part, 804 2nd alignment part, 851 1st intermediate plate, 851 2nd intermediate plate, 852 2nd intermediate plate.

Claims (5)

A pump impeller connected to an input member coupled to a prime mover, a turbine runner rotatable with the pump impeller, a damper mechanism having an input element, an elastic body, and an output element, and the input member via the damper mechanism And a lockup clutch mechanism that can release the lockup, and a plurality of mass bodies that can swing relative to the support member. A fluid transmission device comprising a centrifugal pendulum vibration absorber,
The turbine runner and the support member of the centrifugal pendulum vibration absorber are fixed to one element other than the elastic body and the output element of the damper mechanism, and the one element is a first element to which the turbine runner is fixed. A member and a second member to which the support member of the centrifugal pendulum vibration absorber is fixed, and the first member and the second member have an engaging portion of the output element that engages with the elastic body. A first alignment portion for aligning the turbine runner is formed in the output element of the damper mechanism, and is arranged in parallel with each other in the axial direction of the fluid transmission device. A second aligning portion for aligning the support member of the centrifugal pendulum type vibration absorber is formed apart from the first aligning portion in the axial direction, and the turbine runner and the first member A fixed portion and the far The fixed portion of the supporting member and the second member of the pendulum vibration absorbing device, the fluid transmission device, characterized in that viewed from the axial direction are offset in the radial direction of the fluid power transmission device. The fluid transmission device according to claim 1,
The turbine runner is fixed to the first member via a rivet, and the support member of the centrifugal pendulum vibration absorber is fixed to the second member via a rivet,
The fixed portion between the turbine runner and the first member and the fixed portion between the support member and the second member of the centrifugal pendulum vibration absorber do not overlap in the radial direction when viewed from the axial direction. Fluid transmission device. The fluid transmission device according to claim 1 or 2,
The damper mechanism includes, as the elastic body, a first elastic body that engages with the input element and a second elastic body that engages with the output element, and includes the first member and the second member, and A fluid transmission device comprising an intermediate element engaging with the first elastic body and the second elastic body as the one element. In the fluid transmission device according to any one of claims 1 to 3,
A turbine hub that is formed to be fitted to the turbine runner and is rotatably fitted to the first alignment portion of the output element, and is fixed to the first member together with the turbine runner via a rivet; A fluid transmission device comprising: A pump impeller connected to an input member coupled to a prime mover, a turbine runner rotatable with the pump impeller, a damper mechanism having an input element, an elastic body, and an output element, and the input member via the damper mechanism And a lockup clutch mechanism that can release the lockup, and a plurality of mass bodies that can swing relative to the support member. A first member and a second member that are arranged in parallel in the axial direction of the fluid transmission device and are connected to each other, except for the elastic body and the output element of the damper mechanism. A method of manufacturing a fluid transmission device comprising:
(A) A second aligning portion for aligning the support member of the centrifugal pendulum vibration absorber while forming a first aligning portion for aligning the turbine runner on the output element of the damper mechanism Forming the first centering portion apart from the first alignment portion in the axial direction;
(B) arranging the first member and the second member in parallel with each other in the axial direction and connecting the first member and the second member to the elastic body of the output element;
(C) fitting the support member of the centrifugal pendulum vibration absorber to the second alignment portion of the output element and fixing the support member and the second member;
(D) The turbine hub formed to be fitted to the turbine runner and the turbine runner are fitted, the turbine hub is fitted to the first alignment portion of the output element, and the fluid transmission device Fixing the turbine runner, the turbine hub and the first member at a position shifted in the radial direction when viewed from the axial direction of
A method of manufacturing a fluid transmission device comprising:

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