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公开(公告)号：EP3892880A1
公开(公告)日：2021-10-13
申请号：EP19893997.7
申请日：2019-12-04
IPC分类号： F16D13/52 , F16D43/12 , F16D43/206
摘要： Provided is a power transmission device that can suppress feeling of surprise when power is transmitted and can improve operability while efficiently utilizing a space that is obtained by the arrangement of a first clutch member and a second clutch member. The power transmission device include: a first clutch member 4a that is coupled to an output member 3; a second clutch member 4b to which driven-side clutch plates 7 are attached; a back-torque transmitting cam that is capable of pressing drive-side clutch plates 6 and the driven-side clutch plates 7 against each other by moving the second clutch member 4b when a rotational force is input to the first clutch member 4a; and a cushioning member 12 that is interposed between the first clutch member 4a and the second clutch member 4b and that is capable of applying an urging force while allowing movements of an interlocking member 9 and a pressure member 5 by being compressed in a process in which the interlocking member 9 moves and the pressure member 5 moves from the inactive position toward the active position.
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公开(公告)号：EP3677806A1
公开(公告)日：2020-07-08
申请号：EP18851854.2
申请日：2018-08-30
发明人： OZAWA, Yoshihiko , CHEN, Han Hiong , KATAOKA, Makoto , MURAI, Masataka , AONO, Kaoru , KINE, Yuta , YOKOMICHI, Yuta
摘要： There is provided a power transmission device that can apply engine brake by transmitting a rotational force on the side of a wheel to the side of an engine by bringing driving clutch plates and driven clutch plates into press contact with each other when a pressure member is located at a non-actuation position, and that can make actuation using a weight member stable when engine brake is applied. The power transmission device has a back torque transmission cam that can bring the driving clutch plates 6 and the driven clutch plates 7 into press contact with each other by moving the second clutch member 4b when a rotational force is input to the first clutch member 4a via the output shaft 3 when the pressure member 5 is located at the non-actuation position. The back torque transmission cam can hold abutment between the interlocking member 9 and the weight member 8 by moving the second clutch member 4b in a direction of being brought into proximity to the interlocking member 9.
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公开(公告)号：EP3677805A1
公开(公告)日：2020-07-08
申请号：EP18850089.6
申请日：2018-08-30
发明人： OZAWA, Yoshihiko , CHEN, Han Hiong , KATAOKA, Makoto , MURAI, Masataka , AONO, Kaoru , KINE, Yuta , YOKOMICHI, Yuta
摘要： There is provided a power transmission device that can apply engine brake by transmitting a rotational force on the side of a wheel to the side of an engine by bringing driving clutch plates and driven clutch plates into press contact with each other when a pressure member is located at a non-actuation position, and that allows power transmission to be performed stably when a weight member is moved to a radially outer position and the pressure member is moved to an actuation position. The power transmission device includes a back torque transmission cam that can bring the driving clutch plates 6 and the driven clutch plates 7 into press contact with each other by moving the second clutch member 4b when a rotational force is input to the first clutch member 4a via the output shaft 3 when the pressure member 5 is located at the non-actuation position, and a torque transmission portion that can transmit a rotational force transmitted to the second clutch member 4b to the first clutch member 4a not via the back torque transmission cam.
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公开(公告)号：EP2530349B1
公开(公告)日：2015-05-27
申请号：EP11737090.8
申请日：2011-01-27
IPC分类号： F16D43/18
CPC分类号： F16D43/18 , F16D2043/145
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公开(公告)号：EP3816468A1
公开(公告)日：2021-05-05
申请号：EP19800798.1
申请日：2019-05-08
发明人： AONO, Kaoru , YOKOMICHI, Yuta , KINE, Yuta , KATAOKA, Makoto
IPC分类号： F16D43/18
摘要： Provided is a centrifugal clutch configured so that assist thrust can be maintained constant or can be decreased even when a clutch shoe is abraded. The centrifugal clutch 200 includes a drive plate 210 to be rotatably driven by drive force of an engine. The drive plate 210 includes each of swing support pins 214 and the plate-side cam bodies 218. The swing support pin 214 is fitted in a long-hole-shaped pin slide hole 231 formed at a clutch weight 230 to swingably support the clutch weight 230. The plate-side cam body 218 includes a cylindrical roller, and a weight-side cam body 235 of the clutch weight 230 contacts the plate-side cam body 218. The weight-side cam body 235 is formed as such a curved surface that a cam angle when a clutch shoe 233 contacts a cylindrical surface of a clutch outer 240 is the same between before and after abrasion of the clutch shoe 233 progresses.
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公开(公告)号：EP3617541A1
公开(公告)日：2020-03-04
申请号：EP19193761.4
申请日：2015-08-07
发明人： KATAOKA, Makoto , CHEN, Han Hiong , AONO, Kaoru
摘要： Provided is a power transmitting apparatus in which the torque when a back torque limiter cam operates and the torque when a pressure-contact assisting cam operates can be made different from each other according to needs, and a clutch member and a pressure member can be satisfactorily assembled with the cam surfaces of the pressure-contact assisting cam facing each other and the cam surfaces of the back torque limiter cam facing each other, and rattling can thereby be reduced. A receiving portion for a clutch spring (10) on the pressure member (5) side comprises a receiving member (11) separate from the pressure member (5). A first cam surface (C1) and a second cam surface (C2) constituting the back torque limiter cam are respectively formed on the receiving member (11) and the clutch member (4), and a third cam surface (C3) and a fourth cam surface (C4) constituting the pressure-contact assisting cam are respectively formed on the pressure member (5) and the clutch member (4).
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公开(公告)号：EP3524851A1
公开(公告)日：2019-08-14
申请号：EP17858064.3
申请日：2017-08-08
发明人： KINE, Yuta , KATAOKA, Makoto , AONO, Kaoru , YOKOMICHI, Yuta
IPC分类号： F16H9/18
摘要： A continuously variable transmission that can suppress the size increase, complication, and weight increase of the device configuration is provided. A continuously variable transmission 100 includes a drive pulley 101 that is connected to a crank shaft 90. The drive pulley 101 includes a fixed drive plate 102 that is rotationally driven directly by driving force of an engine and a movable drive plate 110 that approaches or become separated with respect to the fixed drive plate 102 in accordance with centrifugal force by rotational drive of the crank shaft 90. A displacement resistor 120 including a rod body abuts on the movable drive plate 110 in the state in which the fixed drive plate 102 is penetrated. The displacement resistor 120 is pressed by a resistance spring 134 of a pressing mechanism 130 provided outside the fixed drive plate 102. In the pressing mechanism 130, a variable mechanism 140 adjusts pressing force by the resistance spring 134.
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公开(公告)号：EP3361113A1
公开(公告)日：2018-08-15
申请号：EP16853352.9
申请日：2016-09-02
发明人： AONO, Kaoru , KINE, Yuta , YOKOMICHI, Yuta , KATAOKA, Makoto
IPC分类号： F16D43/18
摘要： A centrifugal clutch 200 includes a first drive plate 210 rotationally driven directly by a driving force of an engine and a second drive plate 220 frictionally in contact with the first drive plate 210. The first drive plate 210 includes a bulging body 215 on a supporting portion 214 bulging toward the second drive plate 220. The second drive plate 220 is rotationally driven together with the first drive plate 210 while allowing rotational displacement relative to the first drive plate and includes clutch weights 230. The bulging body 215 is made of a cylindrical roller. The clutch weight 230 is formed with a driven portion 232. The driven portion 232 has a pressing body 232a in contact with the bulging body 215. The pressing body 232a obliquely extends rearwardly and outwardly in a rotational drive direction of the first drive plate 210.
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公开(公告)号：EP1972819A1
公开(公告)日：2008-09-24
申请号：EP06834273.2
申请日：2006-12-08
发明人： KATAOKA, Makoto , ITOU, Shunichi
CPC分类号： F16D43/20 , F16D13/56 , F16D43/216 , F16D2013/565
摘要： An object of the present invention is to provide a power transmitting apparatus which can surely obtain the intended cam characteristics even though the width of the cam surface is set large when either one cam surface of the pressure-contact assisting cam or the back-torque limiting cam is formed along the circumferential edge of the clutch member. According to the present invention, there is provided a power transmitting apparatus comprising a clutch housing (2), a plurality of driving clutch plates (6), a plurality of driven clutch plates (7) movable for carrying out the pressure-contact or release relative to the driving clutch plates (6), a clutch member (4), a pressure member (5), pressure-contact assisting cam, back-torque limiting cam characterized in that one set of cam surfaces (11a, 11b) of the pressure-contact assisting cam or the back-torque limiting cam are arranged so that they extend along a circumferential edge of the clutch member (4), and that a crowning is formed on said one set of cam surfaces (11a, 11b) in their extending direction or their width direction.
摘要翻译： 本发明的目的在于提供一种动力传递装置，即使在压接辅助凸轮的一个凸轮面或背接转矩限制的情况下凸轮表面的宽度被设定得较大，也能够确实获得预定的凸轮特性 凸轮沿着离合器构件的圆周边缘形成。 根据本发明，提供了一种动力传递装置，其包括离合器壳体（2），多个驱动离合器片（6），多个从动离合器片（7），用于执行压力接触或释放 相对于驱动离合器片（6），离合器构件（4），压力构件（5），压力接触辅助凸轮，后转矩限制凸轮，其特征在于，一组凸轮表面（11a，11b） 压接触辅助凸轮或后转矩限制凸轮被布置成使得它们沿着离合器构件（4）的周缘延伸，并且在它们的一组凸轮表面（11a，11b）中形成隆起 延伸方向或其宽度方向。
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公开(公告)号：EP3892879A1
公开(公告)日：2021-10-13
申请号：EP19893581.9
申请日：2019-12-04
IPC分类号： F16D13/52 , F16D43/12 , F16D43/206
摘要： Provided is a power transmission device that allows a bearing holding member to be easily assembled and that allows the bearing holding member to move stably when a shifting operation is performed.
The power transmission device includes: a clutch member; a pressure member 5; a weight member 8; an interlocking member 9; and a bearing holding member C that is coupled to an activation member 10 and that holds a bearing B1 interposed between the activation member 10 and the pressure member 5. The bearing holding member C is composed of a cylindrical member one end of which is open, and an open end portion Ca thereof is fitted into and attached to a recessed portion 4d formed in a first clutch member 4a.
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