WO2013054594A1 - Air conditioning apparatus for passenger vehicle - Google Patents

Abstract

An air conditioning apparatus (30) for a passenger vehicle configured so that air sent through an air duct (34) from an main body section of the air conditioning apparatus is blown into the vehicle interior space from an outlet provided on an instrument panel, wherein an airflow direction adjustment mechanism (40) capable of adjusting the direction of air blown from the outlet by changing the shape of an air path (42) connecting the air duct (34) and the outlet is provided between the air blow duct (34) and the outlet. This configuration obviates providing the outlet (32) on the instrument panel (20) with a fin or the like for adjusting the airflow direction, and enables the air outlet (32) to be formed merely by the opening. Consequently, an innovative design for the outlet (32) on the instrument panel (20) is possible.

Description

Air conditioning system for passenger cars

The present invention relates to an air conditioner for a passenger car.

In a conventional passenger car air conditioner, as shown in FIG. 12, fins 102 f for adjusting the wind direction are provided at the outlet 102 of the instrument panel 100. Then, by adjusting the direction of the fin 102f in the vertical direction or the horizontal direction, the direction of the air blown from the outlet 102 can be adjusted in the vertical direction or the horizontal direction. A related passenger car air conditioner is described in Japanese Patent Laid-Open No. 5-157347.

In the structure in which the direction of the wind blown from the blowout port 102 is changed by the fin 102f provided in the blowout port 102, the fin 102f is visible from the outside. Therefore, it is necessary to consider the design of the blowout port 102 integrally with the design of the fin 102f. There are many restrictions on creating a design. Therefore, it is desired that the design of the blowout port of the instrument panel can be made novel compared to the conventional one by omitting the fins or providing them at positions where they are difficult to see.

As one aspect of the present invention, an air conditioner for a passenger car is configured to blow air sent from a main body through a blower duct into a vehicle interior space from a blowout port provided in an instrument panel. In addition, a wind direction adjusting mechanism is provided between the air duct and the air outlet to change the shape of the air passage connecting the air duct and the air outlet and adjust the direction of the air blown from the air outlet. It has been.

According to this, the shape of the air passage provided between the air duct and the air outlet is changed to adjust the direction of the air blown out from the air outlet. For this reason, it is not necessary to provide a fin for adjusting the air direction at the outlet of the instrument panel as in the prior art, and it is possible to form the outlet with only the opening. Thereby, the shape of the blowout port of the instrument panel can be significantly changed compared to the conventional case, and the design of the blowout port of the instrument panel can be made innovative.

It is a model perspective view which shows the left half of the instrument panel of a passenger car provided with the air conditioner which concerns on the 1st form for implementing this invention. FIG. 2 is a cross-sectional view of the instrument panel of FIG. It is a model perspective view which shows the wind direction adjustment mechanism of an air conditioner. It is a model perspective view which shows the wind direction adjustment mechanism of an air conditioner. It is a side view which shows the up-and-down rotation mechanism of a wind direction adjustment mechanism. It is a side view which shows the up-down rotation dial of an up-down rotation mechanism. It is a model top view of the 1st ventilation path upper board of a wind direction adjustment mechanism. FIG. 8 is a cross-sectional view taken along arrow VIII-VIII of the first air passage upper plate in FIG. 7. It is a model top view of the 1st ventilation path lower board of a wind direction adjustment mechanism. FIG. 10 is a cross-sectional view taken along the line XX of the first air passage lower plate in FIG. 9. It is a schematic diagram of a blade | wing rotation part. It is a model perspective view which shows the instrument panel of a passenger car provided with the conventional air conditioning apparatus.

[First form]
An air conditioner for a passenger car according to a first embodiment for carrying out the present invention will be described with reference to FIGS. Note that the front, rear, left, right, and top and bottom shown in the figure correspond to the front, back, left, right, and top and bottom of the passenger car.

[Overview of instrument panel for passenger cars]
Before describing the air conditioner 30 of the passenger car 10 according to the present embodiment, an outline of the instrument panel 20 will be described. As shown in FIG. 1, the instrument panel 20 of the passenger car 10 is a panel positioned in front of the front seat of the passenger compartment under the front window 12, and includes a monitor, a glove box, and a passenger seat of each meter and navigation system. Equipped with airbags. Groove-shaped recesses 22 extending obliquely in the lateral direction are formed on the left and right sides of the instrument panel 20, and the air conditioner 30 is difficult to see from the outside as shown in FIG. A slit-like air outlet 32 is provided. In FIG. 1, the recess 22 on the driver's seat side and the air outlet 32 (hereinafter referred to as the outlet 32) are omitted.

[Outline of air conditioner]
The air conditioner 30 includes an air conditioner body (not shown) that adjusts the temperature, humidity, air cleanliness, and the like of air supplied from inside or outside the vehicle. And it is comprised so that the air (air blowing) after the air conditioning sent through the ventilation duct 34 from this main-body part can be blown out from the blower outlet 32 of the instrument panel 20 to vehicle interior space. As shown in FIG. 2, the air conditioner 30 includes a wind direction adjusting mechanism 40 that adjusts the air blowing direction between the downstream end position 34 w of the air duct 34 and the air outlet 32.

[Wind direction adjustment mechanism]
As shown in FIGS. 3 to 5 and the like, the air direction adjusting mechanism 40 is a mechanism that adjusts the direction of the air blown from the air outlet 32 by changing the shape of the air passage 42 that connects the air duct 34 and the air outlet 32. is there. The wind direction adjusting mechanism 40 includes a box-shaped housing 41. On one end side (rear end side) of the housing 41, an air outlet side opening 42 h of the air passage 42 is formed, and the air outlet side opening 42 h is connected to the air outlet 32 of the instrument panel 20. (See FIGS. 2 and 5). A duct side opening 42 d of the air passage 42 is formed at the other end side (front end side) of the housing 41, and the duct side opening 42 d is connected to the downstream end position 34 w of the air duct 34. Further, in the housing 41, as a wall material for forming the air passage 42, a first air passage upper plate 43, a first air passage lower plate 44 (a discharge side portion), a second air passage upper plate 45, and a second air blower. A passage lower plate 46 (air duct side portion) and a frame-like connection passage 47 (intermediate portion) are accommodated.

As shown in FIG. 5 etc., the 1st ventilation path upper board 43 is a flat plate which comprises the ceiling board of the downstream of the ventilation path 42, The one end side (rear end side) of the 1st ventilation path upper board 43 is The housing 41 is connected to the upper side of the blow-out side opening 42h by a connecting pin 43p and a through hole (reference numeral omitted) so as to be vertically rotatable. The other end side (front end side) of the first air passage upper plate 43 is connected to the rear upper side of the connection passage 47 in a state that it can be vertically rotated by a connection pin 43p and a through hole (reference number omitted). .

The first air passage lower plate 44 is a flat plate that forms a bottom plate on the downstream side of the air passage 42, and one end side (rear end side) of the first air passage lower plate 44 is the lower side of the blowout side opening 42 h of the housing 41. Are connected to each other by a connecting pin 44p and a through-hole so as to be vertically rotatable. The other end side (front end side) of the first air passage lower plate 44 is connected to the lower rear side of the connection passage 47 in a state that it can be vertically rotated by the connection pin 44p and the through hole. That is, the first air passage upper plate 43 and the first air passage lower plate 44 correspond to the blowout side portion of the present invention. In addition, the upper side of the outlet side opening 42h of the housing 41 corresponds to the upper peripheral edge of the outlet port in the present invention, and the lower side of the outlet side opening 42h of the housing 41 corresponds to the lower peripheral edge of the outlet port in the present invention.

As shown in FIG. 5 and the like, the second air passage upper plate 45 is a flat plate constituting a ceiling plate on the upstream side of the air passage 42, and one end side (front end side) of the second air passage upper plate 45 is a housing. 41 is connected to the upper side of the duct-side opening 42d by a connecting pin 45p and a long hole 45h so as to be slidable back and forth and rotatable up and down. The other end side (rear end side) of the second blower passage upper plate 45 is connected to the front upper side of the connection passage 47 in a state in which it can be slid back and forth and rotated up and down by a connection pin 45p and a long hole 47h. ing.

The second air passage lower plate 46 is a flat plate that constitutes a bottom plate on the upstream side of the air passage 42, and one end side (front end side) of the second air passage lower plate 46 is on the lower side of the duct side opening 42 d of the housing 41. The connecting pin 46p and the long hole 46h are connected so as to be slidable back and forth and turnable up and down. The other end side (rear end side) of the second air passage lower plate 46 is connected to the front lower side of the connection passage 47 in a state where it can be slid back and forth and can be turned up and down by a connection pin 46p and a long hole 47j. ing.

That is, the second air passage upper plate 45 and the second air passage lower plate 46 correspond to the air duct side portion of the present invention. The upper side of the duct side opening 42d of the housing 41 corresponds to the upper peripheral edge of the downstream end position of the air duct in the present invention, and the lower side of the duct side opening 42d of the housing 41 is below the peripheral edge of the downstream end position of the air duct in the present invention. Corresponds to the side. Further, the connecting passage 47 corresponds to the intermediate portion and the connecting member of the present invention.

With the above configuration, the air duct 34 and the air outlet 32 of the instrument panel 20 are connected by the air passage 42 that can be deformed up and down. On the left outer side of the housing 41, as shown in FIGS. 5 and 6, the first air passage upper plate 43 is rotated up and down around the upper side (connecting pin 43p) of the blowout side opening 42h of the housing 41 by manual operation. A vertical rotation mechanism 50 that changes the shape of the air passage 42 is provided.

[Vertical rotation mechanism]
The vertical rotation mechanism 50 includes a vertical rotation dial 52, a pin 43 x that connects the vertical rotation dial 52 and the first air passage upper plate 43, and a long hole 52 e. The vertical rotation dial 52 is a disc-shaped dial, and a knurl, which is a shallow jagged groove, is formed on the outer circumferential surface of the dial. The vertical rotation dial 52 is rotatably mounted on a horizontal shaft 52p supported on the left side surface 41t (see FIGS. 3 and 4) of the housing 41. As shown in FIG. 1, the portion protrudes outward from the dial opening 25 of the instrument panel 20. For this reason, when the protruding portion of the outer peripheral surface of the vertical rotation dial 52 is pressed upward or downward with a finger, the vertical rotation dial 52 can be rotated up and down around the horizontal axis 52p (rotation center). .

As shown in FIG. 5 and the like, the pin 43x that connects the vertical rotation dial 52 and the first air passage upper plate 43 is provided on the left end surface of the first air passage upper plate 43, and the left side surface of the housing 41. It protrudes out of the housing 41 from an opening (not shown) provided in 41t (see FIGS. 3 and 4). And as shown in FIG. 6, it is inserted in the long hole 52e in which the up-and-down rotation dial 52 was formed. That is, when the pin 43x is inserted into the elongated hole 52e, the vertical rotation dial 52 and the first air passage upper plate 43 are engaged in the rotation direction.

As a result, when the vertical rotation dial 52 is rotated in the vertical direction, the first air passage upper plate 43 receives the rotational force of the vertical rotation dial 52 and the upper side of the blowout side opening 42h of the housing 41 (the connecting pin 43p). ) Around the center). And by the up-and-down rotation of the first air passage upper plate 43, the first air passage lower plate 44, the second air passage upper plate 45, which are connected to the first air passage upper plate 43 via the connection passage 47, And the 2nd ventilation path lower board 46 comes to rotate together. The change in length of the air passage 42 with the rotation of the first air passage upper plate 43, the first air passage lower plate 44, the second air passage upper plate 45, and the second air passage lower plate 46 is: The coupling pins 45p, 46p and the long holes 45h, 46h, 47h, 47j are absorbed.

Further, as shown in FIGS. 3 and 4, a guide pin 47 p that protrudes at right angles to the left side surface is provided on the left side surface of the connecting passage 47, and the guide pin 47 p is provided on the left side surface of the housing 41. It is inserted into an arc-shaped guide slot 41e (see dotted line) formed in 41t. The guide long hole 41e is formed in a longitudinally arcuate shape in accordance with the movement trajectory of the connecting passage 47 accompanying the vertical rotation of the first air passage upper plate 43 and the first air passage lower plate 44. For this reason, the connecting passage 47 moves upward or downward by the vertical rotation of the first air passage upper plate 43 and the first air passage lower plate 44 by the action of the guide pin 47p and the guide long hole 41e. become.

As shown in FIGS. 7 to 10, the first air passage upper plate 43 and the first air passage lower plate 44 have left blades for guiding the air blown from the air outlet 32 of the instrument panel 20 in the left-right direction. 62 and a right wing 64 are provided. Further, the housing 41 is provided with a blade rotating portion 65 for rotating the left blade 62 and the right blade 64.

[Blade and blade rotation part]
On the lower surface side of the first air passage upper plate 43, as shown in FIGS. 7 and 8, a plurality of (four in the figure) right blades 64 are in a lying position along the plate and standing upright with respect to the plate. It is attached so that it can rotate between positions. Further, on the upper surface side of the first air passage lower plate 44, as shown in FIGS. 9 and 10, a plurality (four in the figure) of the left blades 62 can be similarly rotated between the lying position and the standing position. As installed.

The right vane 64 is a vane that guides the air blown from the blowout port 32 diagonally to the right, and as shown in FIG. 7, the first blower passage is inclined rightward so that the downstream side gradually becomes to the right. It is disposed on the lower surface of the upper plate 43. A rotation center shaft 64 p is provided on the end surface on the rotation center side of the right blade 64, and the rotation center shaft 64 p is rotatably supported by a bearing portion 43 j provided on the lower surface of the first air passage upper plate 43. Yes. As a result, the right blade 64 can rotate between the lying position and the standing position about the rotation center axis 64p. Furthermore, each right blade | wing 64 is connected in the state which the front-end center of each right blade | wing 64 can rotate relatively by the connection bar 64b so that it may mutually interlock | cooperate. For this reason, by applying a rotational force to the single right blade 64, all the right blades 64 rotate simultaneously. Further, by adjusting the inclination angle of the right blade 64 between the lying position and the standing position, it is possible to adjust the amount of air blown in the right direction with respect to the central direction.

The left blade 62 is a blade that guides the air blown out from the outlet 32 in the diagonally left direction, and as shown in FIG. 9, the first air passage is inclined in the left direction so that the downstream side gradually becomes to the left. It is disposed on the upper surface of the lower plate 44. A rotation center shaft 62p is provided at the rotation center side end face of the left blade 62, and the rotation center shaft 62p is rotatably supported by a bearing portion 44j provided on the upper surface of the first air passage lower plate 44. Yes. Thereby, the left blade 62 can be rotated between the lying position and the standing position about the rotation center shaft 62p. Further, the left blades 62 are connected to each other so that the front end centers of the left blades 62 can be relatively rotated by a connecting bar 62b so as to interlock with each other. For this reason, by applying a rotational force to the single left blade 62, all the left blades 62 rotate simultaneously. Further, by adjusting the inclination angle of the left blade 62 between the lying position and the standing position, it is possible to adjust the amount of air blown in the left direction with respect to the central direction.

As shown in FIG. 11, the blade rotation unit 65 that rotates the left blade 62 and the right blade 64 is provided with a central gear 66 configured to be rotated forward or reversely by receiving the rotational force of the motor 65 m, and to the left The left blade gear 67 is connected to the rotation center shaft 62p of the blade 62 via the transmission shaft 67j, and the right blade gear 68 is connected to the rotation center shaft 64p of the right blade 64 via the transmission shaft 68j. Has been. The central gear 66 includes a gear portion 66w and a missing tooth portion 66n. When the central gear 66 rotates forward from the original position (position shown in FIG. 11), the gear portion 66 w of the central gear 66 meshes with the right blade gear 68. Further, when the central gear 66 reverses from the original position, the gear portion 66 w of the central gear 66 is engaged with the left blade gear 67. Here, in a state where the central gear 66 is held at the original position (position shown in FIG. 11), both the left blade 62 and the right blade 64 are held at the lying down position.

As a result, when the right switch (not shown) is operated to rotate the motor 65m forward and the central gear 66 rotates forward from the original position, the rotational force of the central gear 66 is transmitted via the right blade gear 68 and the transmission shaft 68j. Is transmitted to the right blade 64, and the right blade 64 rotates from the lying position to the standing position. At this time, the left blade 62 is held in the lying position. Then, with the right blade 64 in the upright position, a left switch (not shown) is operated to reverse the motor 65m and return the central gear 66 to the original position. Rotates to the lying position.

Further, when the central gear 66 is reversed from the original position by the left switch, the rotational force of the central gear 66 is transmitted to the left blade 62 via the left blade gear 67 and the transmission shaft 67j, and the left blade 62 stands up from the lying position. It will turn to the position. At this time, the right blade 64 is held in the lying position. Then, with the left blade 62 in the standing position, the right switch (not shown) is operated to rotate the motor 65m in the normal direction and return the central gear 66 to the original position. Rotates to the lying position.

[Operation of wind direction adjusting mechanism of air conditioner]
Next, operation | movement of the wind direction adjustment mechanism 40 of the air conditioner 30 is demonstrated. First, when the outer peripheral surface of the vertical rotation dial 52 protruding outward from the dial opening 25 of the instrument panel 20 is pressed upward, the vertical rotation dial 52 is centered on the horizontal axis 52p in FIGS. Will turn left. As a result, the rotational force of the vertical rotation dial 52 is transmitted to the first air passage upper plate 43 through the elongated hole 52e and the pin 43x, and the first air passage upper plate 43 is connected to the upper side (connection of the blowout side opening 42h of the housing 41). The pin 43p is rotated downward about the center. As described above, the first air passage upper plate 43 is connected to the first air passage lower plate 44, the second air passage upper plate 45, and the second air passage lower plate 46 through the connection passage 47. For this reason, when the first air passage upper plate 43 rotates downward about the upper side (the connection pin 43p) of the outlet side opening 42h, the first air passage lower plate 44, so that the connection passage 47 moves downward. The second air passage upper plate 45 and the second air passage lower plate 46 rotate. That is, the air passage 42 including the first air passage upper plate 43, the first air passage lower plate 44, the connection passage 47, the second air passage upper plate 45, and the second air passage lower plate 46 is as shown in FIG. Then, it is deformed so as to be bent in a V shape so as to be convex downward. As a result, the direction of the air blown out from the blowout port 32 of the instrument panel 20 is upward.

On the other hand, when the outer peripheral surface of the vertical rotation dial 52 is pressed downward and the vertical rotation dial 52 is rotated clockwise in FIGS. 5 and 6, the first air passage upper plate 43 is formed on the outlet side opening 42h. It pivots upward about the upper side (connecting pin 43p). The first air passage lower plate 44, the second air passage upper plate 45, and the second air passage lower plate so that the connection passage 47 moves upward with the rotation of the first air passage upper plate 43. 46 comes to rotate. That is, the air passage 42 including the first air passage upper plate 43, the first air passage lower plate 44, the connection passage 47, the second air passage upper plate 45, and the second air passage lower plate 46 is as shown in FIG. In addition, it bends into a mountain shape (inverted V shape) so as to protrude upward. As a result, the direction of the air blown out from the blowout port 32 of the instrument panel 20 is downward.

Further, by operating the right direction switch or the left direction switch, the motor 65m of the blade rotation unit 65 rotates forward or backward, and the right blade 64 or the left blade 62 rotates between the lying position and the standing position. Thus, the air blown out from the blowout port 32 is guided in the right direction or the left direction.

[Effect of this embodiment]
According to the air conditioner 30 according to the present embodiment, the direction of the air blown out from the air outlet 32 is adjusted by changing the shape of the air passage 42 provided between the air duct 34 and the air outlet 32 of the instrument panel 20. . For this reason, it is not necessary to provide a wind direction adjusting fin or the like at the outlet 32 of the instrument panel 20 as in the prior art, and it is possible to form the outlet 32 only with an opening. Thereby, the shape of the blowout port 32 of the instrument panel 20 can be changed significantly compared to the conventional case, and the design of the blowout port 32 of the instrument panel 20 can be made novel.

Further, a right blade 64 that guides the wind direction to the right is provided on the first air passage upper plate 43, and a left blade 62 that guides the wind direction to the left is provided on the first air passage lower plate 44. For this reason, it becomes difficult to see the left and right blades 62 and 64 from the outside, and the blades 62 and 64 do not affect the design of the outlet 32.

Further, the amount of air blown in the left direction with respect to the center is adjusted by adjusting the inclination angle of the left blade 62 between the lying position and the standing position, and the right direction air with respect to the center is adjusted by adjusting the inclination angle of the right blade 64. It is possible to adjust the amount of blowout.

[Example of change]
Although the mode for carrying out the present invention has been described with reference to the above structure, it is obvious to those skilled in the art that many alternations, improvements, and modifications can be made without departing from the object of the present invention. . Accordingly, embodiments of the invention may include all alterations, modifications, and changes that do not depart from the spirit and scope of the appended claims. For example, the embodiment of the present invention is not limited to the specific structure described above, and can be modified as follows.

In the present embodiment, the air passage 42 is composed of a first air passage upper plate 43, a first air passage lower plate 44, a second air passage upper plate 45, a second air passage lower plate 46, and a connection passage 47. showed that. However, the connecting passage 47 is omitted, the first air passage upper plate 43 and the second air passage upper plate 45 are connected by a hinge or the like, and the first air passage lower plate 44 and the second air passage lower plate 46 are similarly connected. The first air passage upper plate 43 and the first air passage lower plate 44 may be both turned up and down by a vertical turning mechanism 50.

Further, the air passage 42 is formed of a flexible tubular body, and the middle position of the air passage 42 is moved up and down to change the shape of the air passage 42 into a mountain shape or a substantially V shape, and the air flow is directed downward. Alternatively, an upward facing configuration is also possible.

It is also possible to move the air passage 42 to the left or right by moving the midway position of the air passage 42 to the left or right.

Furthermore, although the example which uses the up-and-down rotation dial 52 which manually rotates the 1st ventilation path upper board 43 etc. in the up-and-down rotation mechanism 50 was shown, using a motor as a drive source of the up-and-down rotation mechanism 50, It is also possible to turn the first air passage upper plate 43 and the like up and down by the rotational force of the motor.

Claims (5)

An air conditioner for a passenger car configured to blow air sent from an air conditioner main body through a blower duct into a vehicle interior space from a blowout port provided in an instrument panel,
An air conditioner is provided between the air duct and the air outlet, with a wind direction adjusting mechanism capable of adjusting the direction of the air blown from the air outlet by changing the shape of the air passage connecting the air duct and the air outlet. apparatus. An air conditioner for a passenger car according to claim 1,
The wind direction adjusting mechanism is
As a wall material forming the air passage, a blow-out side portion connected to the blow-out opening, a blow-off duct side portion connected to the blow-off duct, and an intermediate portion connecting the blow-out side portion and the blow-off duct side portion And continuously
An air conditioner configured such that the blower duct side part and the intermediate part are interlocked with each other to change the angle of the blowout side part with respect to the axis of the blowout port, and the shape of the blower passage is changed. . An air conditioner for a passenger car according to claim 1 or 2,
The wind direction adjusting mechanism is
A first air passage upper plate, one end of which is connected to the upper peripheral edge of the blowout opening so as to be rotatable up and down;
A first air passage lower plate, one end of which is connected to the lower peripheral edge of the outlet so as to be rotatable up and down;
A second air passage upper plate whose one end is connected to the upper peripheral edge of the downstream end position of the air duct so as to be rotatable up and down;
A second air passage lower plate, one end of which is connected to the lower peripheral edge of the downstream end position of the air duct so as to be rotatable up and down;
The other end side of the upper plate of the first air passage and the other end side of the upper plate of the second air passage are connected in a vertically rotatable state, and the other end side of the lower plate of the first air passage and the second air passage. A connecting member that connects the other end of the lower plate in a vertically rotatable state;
Up and down rotation that causes the first air passage upper plate, the second air passage upper plate, the first air passage lower plate, and the second air passage lower plate to move up and down so that the connecting member moves upward or downward. An air conditioner having a mechanism. An air conditioner for a passenger car according to claim 3,
An air conditioner provided with blades for guiding the air blown out from the outlet in the left or right direction on the lower surface side of the upper plate of the first air passage and / or the upper surface side of the lower plate of the first air passage. . An air conditioner for a passenger car according to claim 4,
A left vane for guiding the air blown out from the outlet to the left is provided on either the lower surface of the upper plate of the first air passage or the upper surface of the lower plate of the first air passage, and the fall position along the plate and the plate It is configured to be rotatable between standing positions that stand up against
A right blade for guiding the air blown out from the outlet to the right is provided on either the lower surface of the upper plate of the first air passage passage or the upper surface of the lower plate of the first air passage, and between the lying position and the standing position Is configured to be rotatable,
The left blade and the right blade are air conditioners configured such that when one is in the lying position, the other can be rotated between the lying position and the standing position.

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