Patents Examined by Lillian T Nguyen
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Patent number: 12214650Abstract: Methods and systems are provided for an electric drive axle. In one example, a tube is pressed into a portion of a differential housing, wherein a mount, a reinforcement ring, a wheel hub assembly, and a brake housing are physically coupled to the tube. The tube defines an axle path of an electric drive axle from an electric motor to a wheel.Type: GrantFiled: February 28, 2022Date of Patent: February 4, 2025Assignee: DANA HEAVY VEHICLE SYSTEMS GROUP, LLCInventors: Marcio Massari, Cassio Leme, Bruno Marocchio, Vinicius Ventura, Paula Nomura Watanabe
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Patent number: 12214670Abstract: A transmission mechanism transmits rotation transmitted from a distribution differential gear mechanism to an output member. The distribution differential gear mechanism, a first distribution output gear, and a first engagement device are disposed on a first axis. A first rotary electric machine and a first rotary electric machine drive gear are disposed on a second axis. A transmission engagement device of the transmission mechanism is disposed on a third axis. An axial direction of the first rotary electric machine includes a first axial side where the first rotary electric machine is disposed with respect to the first rotary electric machine drive gear, and a second axial side opposite to the first axial side. The distribution differential gear mechanism is disposed on the second axial side of the first distribution output gear and the first engagement device.Type: GrantFiled: December 3, 2021Date of Patent: February 4, 2025Assignee: AISIN CORPORATIONInventors: Hiroshi Kato, Takuyo Maeda, Kyosuke Komizo, Shohei Tokoro
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Patent number: 12209617Abstract: An actuating device for a transmission has an adjusting element which can be moved in rotation by way of an actuator. At least one actuating element is arranged on one side of the adjusting element and can be moved in translation as a function of a rotation movement of the adjusting element. Roller bodies between the adjusting element and the actuating element concerned are arranged in such manner that each roller body engages in a ramp-shape contoured groove of the adjusting element and in a ramp-shape contoured groove of the actuating element concerned. The roller bodies, which are arranged between the adjusting element and the actuating element concerned, are arranged in at least two concentric roller body rings. Alternatively, or in addition, bearing bodies which serve to support the adjusting element on a housing-side base element are arranged in at least two concentric bearing body rings.Type: GrantFiled: September 8, 2021Date of Patent: January 28, 2025Assignee: ZF Friedrichshafen AGInventors: Vyacheslav Brushkivskyy, Patrick Kniess
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Patent number: 12209646Abstract: A hybrid transmission device with a mechanical continuously variable transmission and a control method thereof are provided. The device includes an input shaft assembly, a front planetary gear transmission assembly, a rear planetary gear transmission assembly, an output shaft, and a mechanical continuously variable transmission. Single transmission modes and hybrid transmission modes are implemented through combination and engagement/disengagement of brakes and clutches. The device and the method realize free switching among various transmission modes and integrates the single transmission modes and the hybrid transmission modes, thereby increasing the degree of freedom in adjustment and expanding the speed regulation range. Input and output shafts of a front cup wheel and ring disc transmission mechanism and a rear cup wheel and ring disc transmission mechanism are coaxial, so that the structure is compact and intermediate rollers can stably and reliably transmit large torque.Type: GrantFiled: February 23, 2022Date of Patent: January 28, 2025Assignee: JIANGSU UNIVERSITYInventors: Zhen Zhu, Yihan Zhang, Yingfeng Cai, Long Chen, Xiaodong Sun, Changgao Xia, Xiang Tian, Jie Sheng, Rui Hou
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Patent number: 12208679Abstract: A control apparatus for a motive power transmission device equipped with a first input shaft, a second input shaft to which a motive power from a motor is input, a rear wheel-side output shaft from which a motive power is output to a first driving wheel, a front wheel-side output shaft from which a motive power is output to a second driving wheel, and a planetary gear device that has, as three rotating elements, a sun gear to which the second input shaft is coupled, a carrier to which the front wheel-side output shaft is coupled, and a ring gear to which the first input shaft and the rear wheel-side output shaft are coupled engages an engagement device when a torque of the rear wheel-side output shaft is equal to or smaller than a threshold with the motor outputting the motive power.Type: GrantFiled: February 9, 2022Date of Patent: January 28, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yosuke Akiyama, Akira Ijichi, Taichi Kobayashi, Koji Takaira, Akinori Homan, Yoshio Itou, Kunihiko Usui
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Patent number: 12203544Abstract: A two-speed transmission system for an electric vehicle is disclosed. The system includes a housing, a one-way clutch assembly adapted to be mounted on an input shaft and to be coupled with a first gear drive assembly, a multi-plate friction clutch assembly adapted to be mounted on the input shaft and having a clutch hub disposed in the housing and mounted on the input shaft, a second gear drive assembly freely mounted on the input shaft and having external spline on an outer diameter adapted to be engaged with the clutch hub of the multi-plate friction clutch assembly. The one-way clutch assembly is adapted to rotate to operate the vehicle in the first gear drive when the input shaft is rotated in a drive direction, and the multi-plate friction clutch assembly is in a disengaged state when the vehicle is operated in the first gear drive.Type: GrantFiled: June 28, 2021Date of Patent: January 21, 2025Assignee: Schaeffler Technologies AG & Co. KGInventors: PS Satyanarayana, Prajod Ayyappath
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Patent number: 12203536Abstract: A gear train includes at least four gears sequentially engaged, multiple links configured to support the rotation shafts of the gears, and pins configured to fix the rotation shafts of the gears to the link, wherein the pins are installed such that, among the rotation shafts of the gears, two non-adjacent rotation shafts have both ends fixed to the link and one of adjacent rotation shafts has only one end fixed to the link.Type: GrantFiled: January 17, 2024Date of Patent: January 21, 2025Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Woo Hyun Lim, Ki Seok Kim, Kyoung Chul Min, Jong Sool Park, Dae In Lee, Yeo Hae Lee
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Patent number: 12196308Abstract: A transmission assembly has more than one reduction ratio. For this purpose, the transmission assembly can comprise a planetary transmission in which the annulus can rotate freely in a first position and in which the annulus is held fixed against rotation in a second position. A method of operating a transmission assembly is also disclosed.Type: GrantFiled: January 25, 2024Date of Patent: January 14, 2025Assignee: Continental Automotive Technologies GmbHInventors: Peter Stauder, Miroslav Kajic, Mathias Haag, Jürgen Balz
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Patent number: 12188792Abstract: A park lock assembly for a vehicle transmission includes a toothed park lock gear and a moveable locking pawl that is moveable between an engaged state, in which the locking pawl is in locking engagement with the park lock gear, and a disengaged state, in which the park lock gear is freely rotatable relative to the locking pawl. The park lock assembly also includes an inductive angular position sensor located on an axial side of the park lock gear and configured for detecting angular position of the park lock gear.Type: GrantFiled: November 10, 2022Date of Patent: January 7, 2025Assignees: Zhejiang Geely Holding Group Co., Ltd., Ningbo Geely Automobile Research & Development Co., Ltd.Inventors: Sharan Vasanadu, Johan Ekelund
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Patent number: 12188557Abstract: A power transmission device includes a transmission mechanism including a planetary gear set, a first engagement element, and a second engagement element. The first engagement element is a band brake configured to be engaged when the transmission mechanism is in a low gear speed. The second engagement element is a multi-plate friction clutch configured to be engaged when the transmission mechanism is in a high gear speed. The multi-plate friction clutch includes a driven plate and a drive plate. The band brake overlaps with the driven plate and the drive plate of the multi-plate friction clutch in a radial direction.Type: GrantFiled: November 26, 2019Date of Patent: January 7, 2025Assignee: Jatco LtdInventors: Hiroki Uehara, Masumi Fujikawa, Toshikazu Oshidari
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Patent number: 12181003Abstract: Disclosed is a control mechanism for a clutch, including a power unit, a drive unit, a shift fork and a clutch press unit. The power unit includes an actuator motor and a power shaft; the drive unit includes a shift cam and a clutch cam which are both fixed to the power shaft; the shift fork is connected to the shift cam; and the clutch press unit includes a press part with two ends provided with a power portion and a pivot portion respectively. A press portion is disposed in a middle of the press part. The power portion is connected to the clutch cam, an elastic alignment structure is disposed between the pivot portion and a housing, and a return portion, corresponding to a position between the pivot portion and the press portion, is disposed at the press part and is provided with a return structure.Type: GrantFiled: April 4, 2023Date of Patent: December 31, 2024Assignee: ZHEJIANG XINKE TRANSMISSION TECHNOLOGY CO., LTDInventor: Jianhua Jin
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Patent number: 12181031Abstract: A two-speed gearbox assembly includes a housing, a first planetary gear set configured to operably connect to an output of an electric motor, a second planetary gear set rotationally coupled to an output of the first planetary gear set, and a third gear set rotationally coupled to an output of the second planetary gearset. A first clutch is configured to selectively couple the first planetary gear set to the second planetary gear set, and a second clutch is configured to selectively ground a portion of the second planetary gear set to the housing. The gearbox assembly is selectively switchable between (i) an on-road first gear where the first clutch is engaged and the second clutch is disengaged, and (ii) an off-road second gear where the first clutch is disengaged and the second clutch is engaged to provide sustained high torque and low speed.Type: GrantFiled: March 29, 2023Date of Patent: December 31, 2024Assignee: FCA US LLCInventors: Sandeep Makam, Pradeep Attibele, Donald F Schmanski
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Patent number: 12173791Abstract: [Problem] A power transmission unit that improves quietness of a gear mechanism and prevents a size of the unit from increasing when a brake rotor is installed around an input shaft of the gear mechanism. [Solution] The power transmission unit includes an electric driving motor with a motor shaft, a gear mechanism, and an output shaft, which are accommodated in a transmission housing, wherein the power of the motor shaft is transmitted to the output shaft via the gear mechanism. The gear mechanism has a gear shaft rotatably supported on the transmission housing and a first helical gear provided on the gear shaft. The power transmission unit further includes a connecting member provided with a tubular portion fitted to the motor shaft and the gear shaft so as to allow the motor shaft and the gear shaft to synchronously rotate. The connecting member is integrally provided with a brake rotor on the outer periphery thereof.Type: GrantFiled: February 24, 2023Date of Patent: December 24, 2024Assignee: KANZAKI KOKYUKOKI MFG. CO., LTD.Inventors: Koji Kiyooka, Ryo Motooka, Ken Morishita, Hitoshi Sawada, Akihiro Ima
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Patent number: 12173757Abstract: A clutch device includes a clutch center including center-side fitting teeth, and a pressure plate including pressure-side fitting teeth. When a center-side assist cam surface and a pressure-side assist cam surface contact each other, an end of each of the pressure-side fitting teeth in a first direction is located ahead, in the first direction, of an end of a corresponding one of the center-side fitting teeth in a second direction, and at least portions of some of the pressure-side fitting teeth overlap with the center-side fitting teeth when seen in radial directions of the output shaft, and at least portions of others of the pressure-side fitting teeth do not overlap with the center-side fitting teeth when seen in radial directions of the output shaft.Type: GrantFiled: July 5, 2023Date of Patent: December 24, 2024Assignee: KABUSHIKI KAISHA F.C.C.Inventors: Masayuki Nonaka, Yuki Kobayashi
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Patent number: 12169003Abstract: A wet-type friction engaging device includes a first friction member and a second friction member defining a groove formed on a surface of a base facing the first friction member.Type: GrantFiled: August 19, 2021Date of Patent: December 17, 2024Assignee: Jatco LtdInventor: Michinori Matsuo
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Patent number: 12169019Abstract: Methods and systems are provided for an assembly comprising a first motor positioned on a first shaft, a second motor positioned on a second shaft, a first wet clutch selectively coupled to the first shaft, a second wet clutch selectively coupled to a drive axle, a third wet clutch selectively coupled to the first shaft, and a brake clutch fixed to a housing of the assembly. The assembly comprises a planetary gearset positioned on the second shaft having gears selectively coupled to the third wet clutch, the first wet clutch or to the brake clutch. The assembly comprises a first one-way clutch and a second one-way clutch opposing the first one-way clutch, the first one-way clutch and the second one-way clutch selectively coupled to the first shaft, where the first one-way clutch and the second one-way clutch are directly connected to two gear trains to drive a PTO shaft.Type: GrantFiled: August 15, 2023Date of Patent: December 17, 2024Assignee: DANA LIMITEDInventors: Weiguo Zhao, Filip Van Raepenbusch, Filip D. Schacht, Quan Liu
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Patent number: 12162357Abstract: A drive arrangement for a torque converter is disclosed herein. The drive arrangement includes a first drive plate element configured to be connected to a torque converter cover and configured to secure a rotor of an electric motor against the torque converter cover. A second drive plate element is configured to be connected to a flex plate, and the first and second drive plate elements are connected to each other.Type: GrantFiled: February 10, 2022Date of Patent: December 10, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Scott Angel, Daniel Linton, Brian Zaugg, John Ramsey
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Patent number: 12140190Abstract: A multiple-disc friction clutch has a clutch center including a first and second clutch centers. The first clutch center is axially supported by a main shaft in a relatively non-rotatable manner. The second clutch center is supported by the first clutch center in a relatively rotatable manner and holds a clutching part between a pressure plate and the second clutch center. The first and second clutch centers have a torque limiter mechanism and a torque limiter-disabling mechanism therebetween. The torque limiter mechanism transmits power between the first and second clutch centers and reduces clutch torque by acting on the pressure plate due to relative rotation between the first and second clutch centers. The torque limiter-disabling mechanism inhibits operation of a torque limiter of the torque limiter mechanism by preventing the relative rotation when power is transmitted from the first clutch center to the second clutch center in an acceleration direction.Type: GrantFiled: November 30, 2023Date of Patent: November 12, 2024Assignee: Honda Motor Co., Ltd.Inventor: Naoya Matsunaga
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Patent number: 12135073Abstract: A mechanical-double ring-hydraulic composite transmission mechanism includes an input member, a convergence mechanism, a hydraulic transmission mechanism, a double ring mechanism, an output member, a clutch assembly, and a brake assembly. The clutch assembly connects a left planetary gear train to a right planetary gear train. The clutch assembly connects the input member to the hydraulic transmission mechanism, the double ring mechanism, the left planetary gear train, and the right planetary gear train. The clutch assembly connects the hydraulic transmission mechanism to the right planetary gear train. The clutch assembly connects the double ring mechanism to the left planetary gear train. The clutch assembly connects the left planetary gear train and the right planetary gear train to the output member. A continuous transmission ratio between the input member and the output member is provided by adjusting a displacement ratio of the hydraulic transmission mechanism.Type: GrantFiled: February 28, 2022Date of Patent: November 5, 2024Assignee: JIANGSU UNIVERSITYInventors: Qing Yu, Zhen Zhu, Rui Hou, Long Chen, Yingfeng Cai, Xiang Tian, Xiaodong Sun, Jiangyi Han, Changgao Xia, Yihan Zhang, Jie Sheng
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Patent number: 12129913Abstract: The present disclosure relates to an electric drive axle, including a driving assembly, a power coupling gear, a first gear transmission assembly, a second gear transmission assembly and two half shafts connected by a differential, the driving assembly is used to drive the differential. In the above way, the electric drive axle and the electric vehicle realize 3 shifting speeds, and can timely engage in different speeds according to the vehicle load, road conditions, transportation time requirements, etc., so as to realize the efficient operation of the vehicle, improve the operation efficiency, reduce energy consumption, meet the power demand of commercial vehicles with diverse loads and working conditions, and obtain high transportation efficiency and economic benefits.Type: GrantFiled: June 7, 2022Date of Patent: October 29, 2024Assignee: TOP GEAR POWERTRAIN TECHNOLOGY CO., LTDInventors: Shan Li, Yueyue Deng, Jing Deng, Hongxiang Yan, Kun Xu, Rongyue Liu, Hongbo Wang