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公开(公告)号：US12104653B2
公开(公告)日：2024-10-01
申请号：US18328018
申请日：2023-06-02
发明人： Kenji Nishida
IPC分类号： F16D13/52 , F16D127/00
CPC分类号： F16D13/52 , F16D2127/00
摘要： A friction clutch includes: a clutch shaft; a clutch housing; a clutch boss; a clutch sleeve; a plurality of first plates supported by a first sleeve portion of the clutch housing; a plurality of second plates supported by a second sleeve portion of the clutch sleeve; a pressure plate; a spring urging the pressure plate toward the first and second plates; and an absorber interposed between the clutch sleeve and the clutch boss. The absorber is disposed in a first direction relative to a second disk portion of the clutch boss and in a second direction, opposite to the first direction, relative to a third disk portion of the clutch sleeve.
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公开(公告)号：US20240288036A1
公开(公告)日：2024-08-29
申请号：US18571408
申请日：2021-06-23
发明人： Kurt Thomaser , Peter Raffin , Thomas Messner , Hanspeter Putzer
CPC分类号： F16D13/74 , F16D13/52 , F16H48/22 , F16H57/043 , F16H57/0473 , F16H57/0483 , F16D13/72
摘要： A fluid guide assembly for a friction disk clutch comprises an inner disk carrier having a carrier portion, a shoulder portion, and a shaft portion. The carrier portion has a connecting structure for receiving inner disks in a rotationally fixed and axially movable manner; and a fluid guide element which is fixedly connected to the inner disk carrier and which comprises an annular catching portion in which inflowing fluid can be caught, and a plurality of circumferentially distributed tab portions which extend in the axial direction and which each have a radial through-opening. The inner disk carrier has, directed radially outwardly, a plurality of longitudinal grooves which extend axially from the shoulder portion into the carrier portion and which are covered by tab portions of the fluid guide element.
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公开(公告)号：US11953059B2
公开(公告)日：2024-04-09
申请号：US17137730
申请日：2020-12-30
申请人： DENSO CORPORATION
发明人： Ryo Ishibashi , Akira Takagi , Takumi Sugiura
CPC分类号： F16D13/52 , F16D23/12 , F16H25/12 , F16D2023/123 , F16D28/00
摘要： A speed reducer is configured to reduce a rotational speed of rotation generated by torque received from a drive device and output the torque of the rotation of the reduced rotational speed. A drive cam has a plurality of drive cam grooves formed at one end surface of the drive cam and is rotated by the torque outputted from the speed reducer. A driven cam has a plurality of driven cam grooves formed at one end surface of the driven cam while each of the plurality of rolling elements is clamped between a corresponding one of the plurality of drive cam grooves and a corresponding one of the plurality of driven cam grooves. At least a part of each of the plurality of drive cam grooves overlaps with the speed reducer in the axial direction.
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公开(公告)号：US11897327B2
公开(公告)日：2024-02-13
申请号：US17274711
申请日：2019-08-21
申请人： LS MTRON LTD.
发明人： Jung Su Han , Ki Taeg Lee , Won Woo Park , Ji Hun Yu , Taek Seong Kim , Young-Gyu Lee
摘要： The present invention relates to a transmission of an agricultural work vehicle, the transmission comprising: a pre-shift part for performing speed shifting on driving transmitted from an engine of an agricultural work vehicle; a clutch part connected to the pre-shift part so as to selectively output driving transmitted from the pre-shift part; an adjusting part connected to the clutch part so as to perform speed shifting on driving transmitted from the clutch part; and a subsequent shift part connected to the adjusting part so as to perform speed shifting on driving transmitted from the adjusting part.
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公开(公告)号：US11852205B2
公开(公告)日：2023-12-26
申请号：US17918398
申请日：2020-09-14
发明人： Yoshihiko Ozawa , Han Hiong Chen , Katsu Yoshimoto
CPC分类号： F16D43/12 , F16D13/52 , F16D43/216 , F16D47/00
摘要： In a power transmission apparatus, a centrifugal clutch includes a holder, a press, a first spherical body that is partially protruded from a first opening and in contact with a rolling contact surface of the press so as to be rollable thereon, and a second spherical body that is partially protruded from a second opening and in contact with a rolling contact surface of the holder so as to be rollable thereon. A through hole has a tapered shape from the first opening to the second opening. Disconnection of the first spherical body is prevented by an outer peripheral edge of one of the first opening and the second opening that has a smaller diameter.
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6.发明公开公开(公告)号：US20230407926A1
公开(公告)日：2023-12-21
申请号：US18338458
申请日：2023-06-21
发明人： Philipp Kölbl , Michael Miller , Jonas Knör
CPC分类号： F16D48/06 , F16D13/648 , F16D13/52 , F16D2500/10412 , F16D2500/1045 , F16D2500/50236
摘要： A method for operating a friction-locking shift element of a transmission of a motor vehicle includes actuating the friction-locking shift element for engagement according to a pressure versus torque characteristic curve. The pressure versus torque characteristic curve has a first characteristic point (a touch point) and a second characteristic point (a contact point), defines a first characteristic curve range between the touch point and the contact point having a first functional dependence, and defines a second characteristic curve range at or after the contact point having a second functional dependence. Once the touch point is reached, the friction-locking shift element begins to transmit torque mainly due to drag torques. Whereas, once the contact point is reached, the friction-locking shift element begins to transmit torque mainly due to friction between shift-element halves of the friction-locking shift element.
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公开(公告)号：US20230407923A1
公开(公告)日：2023-12-21
申请号：US18328018
申请日：2023-06-02
发明人： Kenji NISHIDA
IPC分类号： F16D13/52
CPC分类号： F16D13/52 , F16D2127/00
摘要： A friction clutch includes: a clutch shaft; a clutch housing; a clutch boss; a clutch sleeve; a plurality of first plates supported by a first sleeve portion of the clutch housing; a plurality of second plates supported by a second sleeve portion of the clutch sleeve; a pressure plate; a spring urging the pressure plate toward the first and second plates; and an absorber interposed between the clutch sleeve and the clutch boss. The absorber is disposed in a first direction relative to a second disk portion of the clutch boss and in a second direction, opposite to the first direction, relative to a third disk portion of the clutch sleeve.
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公开(公告)号：US11841054B1
公开(公告)日：2023-12-12
申请号：US18217697
申请日：2023-07-03
发明人： Shinji Furuhashi , Jun Komukai , Makoto Kambara , Satoshi Ota
CPC分类号： F16D23/12 , F16D13/70 , F16D13/74 , F16D13/52 , F16D2023/123
摘要： Pressure-side cam portions of a pressure plate each include a pressure-side assist cam portion including a pressure-side assist cam surface, a pressure-side body located between the pressure-side assist cam portion and a pressure-side slipper cam portion, and a first stepped portion between a main outer circumferential surface of the pressure-side body and a sub outer circumferential surface of the pressure-side assist cam portion. The sub outer circumferential surface is located radially inward of the main outer circumferential surface. The sub outer circumferential surface is inclined radially inward in a second direction. Among portions of the main outer circumferential surface, at least a stepped portion-side outer circumferential surface adjacent to the first stepped portion is inclined radially outward in the second direction.
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公开(公告)号：US11835097B2
公开(公告)日：2023-12-05
申请号：US17918394
申请日：2020-09-14
CPC分类号： F16D43/12 , B60K17/02 , F16D13/52 , F16D47/00 , F16D2300/10 , F16D2300/12
摘要： In a power transmission apparatus, an auxiliary clutch plate different in diameter from driving and driven clutch plates located in a clutch housing. When the driving and driven clutch plates are pressed against each other, the auxiliary clutch plate is pressed to enable transmission of a driving force of an engine to a driving wheel. When a pressing force exerted on the driving and driven clutch plates is released, a pressing force exerted on the auxiliary clutch plate is released to cut off transmission of the driving force of the engine to the driving wheel.
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公开(公告)号：US11808306B2
公开(公告)日：2023-11-07
申请号：US17583725
申请日：2022-01-25
申请人： DENSO CORPORATION
发明人： Ryo Ishibashi , Takumi Sugiura , Akira Takagi
IPC分类号： F16D23/12 , F16D13/46 , F16C19/06 , F16D13/32 , F16D13/52 , F16D25/0638 , F16D43/26 , F16D48/02 , F16D48/06 , F16H1/46 , F16H25/12 , F16J15/10
CPC分类号： F16D13/46 , F16C19/06 , F16D13/32 , F16D13/52 , F16D23/12 , F16D25/0638 , F16D43/26 , F16D48/02 , F16D48/06 , F16H1/46 , F16H25/12 , F16J15/10
摘要： Torque of a prime mover is input into a sun gear. A planetary gear revolves in a circumferential direction of the sun gear while rotating and meshing with the sun gear. A carrier has an annular shape, rotatably supports the planetary gear, and is rotatable relative to the sun gear. A first ring gear is fixed to a housing, and meshes with the planetary gear. A second ring gear meshes with the planetary gear, is different from the first ring gear in number of teeth of a tooth portion, and outputs torque to a rotation portion. At least a part of the sun gear in an axial direction is located radially inward of the carrier. At least a part of the first ring gear and at least a part of the second ring gear in the axial direction are located radially outward of the carrier.
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