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WO2018052092A1 - Ensemble engrenage, mécanisme d'engrenage planétaire doté d'ensemble engrenage, et moteur à mécanisme d'engrenage intégré - Google Patents

Ensemble engrenage, mécanisme d'engrenage planétaire doté d'ensemble engrenage, et moteur à mécanisme d'engrenage intégré Download PDF

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Publication number
WO2018052092A1
WO2018052092A1 PCT/JP2017/033333 JP2017033333W WO2018052092A1 WO 2018052092 A1 WO2018052092 A1 WO 2018052092A1 JP 2017033333 W JP2017033333 W JP 2017033333W WO 2018052092 A1 WO2018052092 A1 WO 2018052092A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
planetary gear
shaft
planetary
gear mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/033333
Other languages
English (en)
Japanese (ja)
Inventor
卓志 松任
川合　正浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of WO2018052092A1 publication Critical patent/WO2018052092A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/08—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/36—Toothed gearings for conveying rotary motion with gears having orbital motion with two central gears coupled by intermeshing orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/08—General details of gearing of gearings with members having orbital motion
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the present invention relates to a gear assembly combining a helical gear (helical gear) and a support shaft that rotatably supports the gear assembly, a planetary gear mechanism using the gear assembly, and a motor incorporating the planetary gear mechanism.
  • a planetary gear unit incorporated in a reduction gear or a speed increaser incorporates a plurality of planetary gears that mesh with both a sun gear and a ring gear.
  • the planetary gear is generally composed of a helical gear.
  • a helical gear with a shaft hole is rotatably supported by a support shaft inserted through the shaft hole, or a needle bearing or ball bearing is used with a bearing interposed between the shaft and the support shaft. I support it as possible.
  • the support by a ball bearing is shown by the following patent document 2, for example.
  • the needle bearing is shown by the following patent document 3. FIG.
  • a pinion gear (planetary gear constituted by a helical gear) is rotatably supported by a needle bearing interposed between a pin (support shaft) fixed to a planetary carrier, and an end face of the pinion gear
  • a thrust washer (this is a kind of thrust plate) is interposed between the carrier and the planetary carrier.
  • a thrust load is generated during rotation.
  • the thrust load is not negligible particularly in the planetary gear device provided in the speed increaser because the planetary gear rotates at a high speed.
  • a thrust needle bearing and a thrust plate are provided to receive the thrust load.
  • the bearing interposed between the support shaft and the planetary gear is a needle bearing that cannot cope with the thrust load
  • a thrust needle bearing or a thrust plate is essential.
  • the bearing is a ball bearing, it can be received without a thrust needle bearing or thrust plate if the thrust load is not very large.
  • a planetary gear using a general ball bearing having a dedicated inner race and outer race causes the following problems.
  • this axial force acts as a moment force on the bearing, it is inclined when the rolling element located at the inner diameter portion is a needle roller.
  • JP 2007-154911 A JP 2012-189202 A JP 2005-325965 A
  • the structure that directly supports the planetary gear with the support shaft can be used for gear mechanisms that do not receive a load in the thrust direction and gear mechanisms that use a light radial load. Is difficult.
  • a gear device in which thrust needle bearings and thrust plates are installed at both ends of the planetary gear inevitably deteriorates assembling due to an increase in the number of assembling steps.
  • the use of a thrust plate also causes an increase in gear rotation load due to friction.
  • the present invention has been made in view of the above state of the art, and the problem is that a gear assembly using a helical gear having a function of receiving a thrust load, a planetary gear mechanism using the gear assembly, and a planetary gear thereof. It is to realize and provide a motor with a built-in gear mechanism.
  • the present invention provides a gear assembly that combines a helical gear having a shaft hole and a support shaft that is passed through the shaft hole and rotatably supports the helical gear.
  • a gear assembly in which a ball bearing is disposed between a shaft, an inner race of the ball bearing is constituted by the support shaft, and an outer race is constituted by the helical gear.
  • a planetary gear mechanism including a planetary gear including a support shaft and a ball bearing constituted by the gear assembly, a planetary carrier assembled with the planetary gear, and a sun gear and a ring gear that mesh with the planetary gear, respectively. Further, the following gear mechanism built-in motors (1) and (2) are also provided.
  • the planetary gear mechanism is combined with an electric motor including a motor case, a stator core, a rotor, and a rotary shaft that serves as an output shaft, the planetary gear mechanism is built in a casing of the motor, and the rotary shaft is Gear mechanism built-in motor connected to planetary carrier of planetary gear mechanism.
  • the planetary gear mechanism is combined with an electric motor having a motor case, a stator core, a rotor, and a rotary shaft that is an output shaft, the planetary gear mechanism is built in a casing of the motor, and the rotary shaft is connected to the planetary gear.
  • Gear mechanism built-in motor connected to the sun gear of the gear mechanism.
  • the planetary gear mechanism functions as a speed increaser.
  • the planetary gear mechanism functions as a speed reducer.
  • the gear assembly according to the present invention may have the forms listed below. 1) A single row ball bearing is disposed between the helical gear and the support shaft. 2) A double row ball bearing is arranged between the helical gear and the support shaft. 3) An angular ball bearing is arranged between the helical gear and the support shaft. 4)
  • the support shaft is a solid shaft. 5) The support shaft has a first hole provided in the shaft center portion with one end opened to the end surface of the support shaft, and at least one second extending radially from the first hole and exiting to the outer periphery of the support shaft. With oil supply holes composed of holes. 6) A planetary gear for a planetary gear mechanism.
  • the support shaft of the gear assembly that constitutes the planetary gear can be fixed by caulking the planetary carrier.
  • the helical gear and the support shaft constitute an outer race and an inner race of ball bearings.
  • each of the support shaft and the helical gear has a raceway surface formed by an annular groove having an arcuate cross section at a corresponding position, and a rolling element (ball) is placed in the annular groove constituting the raceway surface. Part of the ball bearing is formed.
  • Ball bearings use balls (steel balls), and edge load due to moment load does not occur, so the change rate (decrease rate) in the calculated life is expected to be small.
  • the support shaft and the helical gear have a structure that combines the inner race and outer race of the ball bearing, a planetary gear mechanism that interposes a ball bearing having a dedicated inner race and outer race between the support shaft and the helical gear. Compared with the above, the radial dimension is reduced, and this also leads to miniaturization of various devices and apparatuses having a planetary gear mechanism.
  • a gear assembly in which a double-row ball bearing is arranged between the helical gear and the support shaft is excellent in supporting stability of the helical gear.
  • a gear assembly having an oil supply hole inside the support shaft can supply lubricating oil to improve the life of the ball bearing.
  • the planetary gear mechanism in which the support shaft is fixed to the planetary carrier by caulking and fixing does not require a nut for fixing the support shaft.
  • the number of parts can be reduced, and the axial dimension can be further shortened.
  • FIG. 6 is a cross-sectional view taken along the line XX in FIG. 5. It is sectional drawing which shows an example of the planetary gear mechanism (reduction gear) using the gear assembly of this invention.
  • FIG. 8 is a cross-sectional view taken along YY in FIG. 7. It is sectional drawing which shows an example of the motor which incorporated the speed up gear of FIG. It is sectional drawing which shows an example of the motor which incorporated the reduction gear of FIG.
  • a gear assembly 1 in FIG. 1 is configured by combining a helical gear 2, a support shaft 3, and a ball bearing 4.
  • the helical gear 2 has a cylindrical shaft hole 2a, and a support shaft 3 is inserted through the shaft hole 2a.
  • the ball bearing 4 is disposed between the helical gear 2 and the support shaft 3, and the helical gear 2 is rotatably supported on the support shaft 3 via rolling elements (balls) 4 a of the ball bearing 4.
  • the ball bearing 4 has an inner race constituted by the support shaft 3 and an outer race constituted by the helical gear 2.
  • Each of the helical gear 2 and the support shaft 3 has raceway surfaces 4b and 4c constituted by annular grooves having an arcuate cross section at corresponding positions, and the rolling elements 4a are arranged in the annular grooves constituting the raceway surfaces 4b and 4c.
  • the ball bearing 4 is configured by entering a part thereof.
  • the rolling element 4a is positioned by a cage 4d.
  • the ball bearing 4 disposed between the helical gear 2 and the support shaft 3 may be a double row ball bearing as shown in FIG.
  • the support stability of the helical gear 2 is superior to the single row ball bearing of FIG. 1 in the double row ball bearing of FIG.
  • the ball bearing 4 disposed between the helical gear 2 and the support shaft 3 may be an angular ball bearing as shown in FIG.
  • the support shaft 3 may be either a solid shaft as shown in FIG. 1 or a shaft provided with an oil supply hole 5 as shown in FIG.
  • the oil supply hole 5 has at least one first hole 5a provided in the shaft center portion with one end opened to the end surface of the support shaft 3, and extending radially from the first hole 5a to the outer periphery of the support shaft 3. The thing consisting of the 2nd hole 5b was illustrated.
  • the ball bearing 4 illustrated in FIGS. 1 to 3 is assembled in the following procedure. First, the support shaft 3 inserted through the shaft hole 2a of the helical gear 2 is biased from the shaft center portion, and in this state, the raceway surfaces 4b, 4c start from the location where the space entrance between the helical gear 2 and the support shaft 3 is wide open. A necessary number of rolling elements 4a are inserted between them.
  • each rolling element 4a is moved to a position that keeps a predetermined interval, and the support shaft 3 is arranged concentrically with the shaft hole 2a. Thereafter, a cage 4d is attached to position each rolling element 4a.
  • FIG. 5 and FIG. 7 show a planetary gear mechanism 10 using the above-described gear assembly (the gear assembly used here is the gear assembly of FIG. 2).
  • the planetary gear mechanism 10 in FIG. 5 constitutes a speed increaser, and includes a sun gear 11, a ring gear 12, a planetary gear 13, and a planetary carrier 14.
  • the sun gear 11 is attached to an output shaft (not shown).
  • the ring gear 12 is fixed to a fixing member, such as a motor case, and is concentrically disposed on the outer periphery of the sun gear 11.
  • a planetary gear 13 including a support shaft and a ball bearing is configured by the gear assembly 1 described above.
  • a plurality of the planetary gears 13 are arranged in a space between the sun gear 11 and the ring gear 12 so as to mesh with both the sun gear 11 and the ring gear 12.
  • two end plates 14 a and 14 b that support both ends of the support shaft 15 are connected to each other via the support shaft 3, but the end plates 14 a and 14 b do not interfere with the planetary gear 13. It may be connected via a bridge (not shown).
  • the planetary carrier 14 has an input shaft 16 integrally formed.
  • the input shaft 16 is obtained by connecting a separately machined shaft to the planetary carrier 14 by a method such as fastening with a bolt or welding. May be.
  • the planetary gear 13 meshed with the ring gear 12 revolves around the sun gear 11 while rotating, whereby the sun gear 11 meshed with the planetary gear 13 rotates and the output to which the sun gear 11 is attached is rotated.
  • the shaft rotates at an increased speed.
  • the arrow of FIG. 5 represents the transmission path
  • the arrow of FIG. 6 represents the rotation direction of each gear.
  • the planetary gear mechanism 10 in FIG. 7 constitutes a speed reducer, and has a sun gear 11, a ring gear 12, a planetary gear 13, and a planetary carrier 14 as in the case of the speed increaser.
  • the sun gear 11 is attached to an input shaft (not shown).
  • an output shaft 17 is formed integrally with the illustrated planetary carrier 14.
  • FIG. 9 shows a motor incorporating the planetary gear mechanism (speed increaser) 10 shown in FIG.
  • the gear mechanism built-in motor 20 is an electric motor 21 integrated with the planetary gear mechanism 10 described above.
  • the motor 21 has a motor case 22, a stator core 23, a rotor 24, and a rotating shaft (motor output shaft) 25.
  • the planetary gear mechanism 10 is disposed inside the motor case 22 and accelerates and outputs the rotation of the rotating shaft 25.
  • the rotary shaft 25 is an axis corresponding to the input shaft 16 in FIG. 5, which is a hollow shaft integrated with the planetary carrier 14.
  • the rotary shaft 25 is rotatably supported by a bearing 26 assembled to the motor case 22.
  • the ring gear 12 of the planetary gear mechanism 10 is fixed to the inner surface of the motor case 22.
  • the sun gear 11 is formed integrally with an output shaft 27 inserted into the planetary carrier 14 (the sun gear 11 may be an independent product as shown in FIG. 5 attached to the output shaft).
  • the output shaft 27 is rotatably supported by a bearing 28 assembled to the motor case 22.
  • the entrance of the space between the output shaft 27 and the motor case 22 is sealed with a seal member 29.
  • the gear mechanism built-in motor 20 in FIG. 9 is used in a continuously variable transmission (CVT) immediately after the engine is started in a vehicle having a rotational drive of an turbocharger (engine supercharger) turbine wheel and an idling stop function. It can be suitably used for an electric oil pump or the like provided for the purpose of securing the hydraulic pressure for clutch engagement.
  • CVT continuously variable transmission
  • FIG. 10 shows an electric motor incorporating the planetary gear mechanism (reduction gear) 10 of FIG.
  • the gear mechanism built-in motor 20 includes a motor case 22, a stator core 23, a rotor 24, a rotating shaft 25, and a planetary gear mechanism 10 that decelerates and outputs the rotation of the rotating shaft 25.
  • the sun gear 11 of the planetary gear mechanism 10 is integrally provided on the rotation shaft 25 (the sun gear 11 may be attached to the output shaft 25 as an independent product as shown in FIG. 7). Further, the planetary carrier 14 of the planetary gear mechanism 10 is integrally formed with a hollow output shaft 27 (this corresponds to the output shaft 17 in FIG. 7).
  • the gear mechanism built-in motor 20 in FIG. 10 is suitably used as a drive source for devices that require a driving force larger than the rotational torque generated by the motor because the force transmitted by the deceleration of the rotation is amplified. Can do.
  • the gear assembly of the present invention can be suitably used for a planetary gear of a planetary gear mechanism, but its application is not limited to a planetary gear.
  • the planetary gear mechanism of the present invention can be suitably used for a motor (for increasing or decreasing the rotation of a motor), but its application is not limited to a motor.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Retarders (AREA)
  • Rolling Contact Bearings (AREA)
  • Gears, Cams (AREA)
  • General Details Of Gearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un ensemble engrenage conçu au moyen de la combinaison d'un engrenage hélicoïdal (2) comportant un trou d'arbre (2a) et une broche (3) portant de manière rotative l'engrenage hélicoïdal (2). Un roulement à billes (4) est disposé entre l'engrenage hélicoïdal (2) et la broche (3) ; et la broche (3) et l'engrenage hélicoïdal (2) constituent respectivement la bague intérieure et la bague extérieure du roulement à billes (4). L'invention concerne également un mécanisme d'engrenage planétaire utilisant l'ensemble engrenage et un moteur comprenant le mécanisme d'engrenage planétaire.
PCT/JP2017/033333 2016-09-15 2017-09-14 Ensemble engrenage, mécanisme d'engrenage planétaire doté d'ensemble engrenage, et moteur à mécanisme d'engrenage intégré Ceased WO2018052092A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-180693 2016-09-15
JP2016180693A JP2018044638A (ja) 2016-09-15 2016-09-15 ギヤアセンブリとそれを用いた遊星歯車機構及び歯車機構内蔵モータ

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WO2018052092A1 true WO2018052092A1 (fr) 2018-03-22

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WO (1) WO2018052092A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024203622A1 (de) 2024-04-18 2025-10-23 Robert Bosch Gesellschaft mit beschränkter Haftung Planetengetriebe, sowie Getriebe-Antriebseinheit beinhaltend ein solches, insbe-sondere für einen Radnabenantrieb

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7006568B2 (ja) * 2018-11-20 2022-01-24 トヨタ自動車株式会社 電動機

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139353U (fr) * 1987-03-05 1988-09-13
JPH0530540U (ja) * 1991-08-13 1993-04-23 有限会社シー・エス・ユー ローラ
JP2003301909A (ja) * 2002-04-04 2003-10-24 Koyo Seiko Co Ltd トロイダル型無段変速機
JP2006083986A (ja) * 2004-09-17 2006-03-30 Toyota Motor Corp 遊星歯車装置
JP2013040665A (ja) * 2011-08-18 2013-02-28 Ntn Corp 遊星歯車装置
JP2015059592A (ja) * 2013-09-18 2015-03-30 Ntn株式会社 軸受構造体
JP2015525885A (ja) * 2012-08-07 2015-09-07 ケーイーエム クッペルス エレクトロメヒャニーク ゲーエムベーハー 歯車式流量計

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63139353U (fr) * 1987-03-05 1988-09-13
JPH0530540U (ja) * 1991-08-13 1993-04-23 有限会社シー・エス・ユー ローラ
JP2003301909A (ja) * 2002-04-04 2003-10-24 Koyo Seiko Co Ltd トロイダル型無段変速機
JP2006083986A (ja) * 2004-09-17 2006-03-30 Toyota Motor Corp 遊星歯車装置
JP2013040665A (ja) * 2011-08-18 2013-02-28 Ntn Corp 遊星歯車装置
JP2015525885A (ja) * 2012-08-07 2015-09-07 ケーイーエム クッペルス エレクトロメヒャニーク ゲーエムベーハー 歯車式流量計
JP2015059592A (ja) * 2013-09-18 2015-03-30 Ntn株式会社 軸受構造体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024203622A1 (de) 2024-04-18 2025-10-23 Robert Bosch Gesellschaft mit beschränkter Haftung Planetengetriebe, sowie Getriebe-Antriebseinheit beinhaltend ein solches, insbe-sondere für einen Radnabenantrieb

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