Patents Examined by Richard M. Lorence
  • Patent number: 12031590
    Abstract: A separating clutch for a powertrain includes a rotational axis, a friction pack for transmitting a torque in an engaged state, a damper device having a torsional vibration damper or a centrifugal pendulum, and an actuation device for selectively releasing the engaged state. The actuation device is arranged in an axial overlap with the damper device. The friction pack may include a friction disk, a pressure plate, a counter-plate, a pressure pot, and a disk spring supported between the counter-plate and the pressure pot. The friction disk may have a friction surface and the pressure pot may extend through the counter-plate to contact the pressure plate, radially outside of the friction surface, and the actuation device, radially inside of the friction surface. The actuation device may include a pressure chamber with a pressure piston, and the pressure piston may be axially movable and arranged radially within the friction pack.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: July 9, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Marc Finkenzeller
  • Patent number: 12031589
    Abstract: A clutch hub assembly includes a hollow shaft extending in the longitudinal direction having an internal surface, an external surface, a first end, and a second end. A plate is engaged to the external surface of the shaft, extending outwardly from the external surface of the shaft in the radial direction and having a top surface and a bottom surface. A collar is engaged to the plate having an internal surface and an external surface, wherein the top surface of the plate and the internal surface of the collar define a cavity. A plurality of teeth radially extending from the external surface collar, and a support member extends outwardly from the collar.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: July 9, 2024
    Assignee: REVMAX PERFORMANCE, LLC
    Inventor: Frank C Kuperman
  • Patent number: 12030661
    Abstract: A transmission includes a first component and a second component which are journaled for rotation relative to each other, and a locking mechanism for rotationally locking the first component and the second component relative to each other in a predetermined mutual rotation position. The transmission includes a magnetic field sensor arranged for measuring a relative rotation position of the first component and the second component while the first component and the second component are rotating relative to each other.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: July 9, 2024
    Assignee: Ningbo Geely Automobile Research & Development Co., Ltd.
    Inventor: Freddy Trinh
  • Patent number: 12031588
    Abstract: A clutch plate and a clutch assembly for use in a powertrain of a vehicle, the clutch plate being configured to be connected for common rotation with a driven shaft extending in an axial direction, the clutch plate including a support member and a first friction member attached thereto, the first friction member having a first friction surface configured to face and selectively engage a corresponding second friction surface of a flywheel, the clutch plate further including an electrically conducting element extending from the first friction surface toward the support member in a direction having an axial component, the electrically conducting element being configured to be electrically connected to a terminal, so that, upon engagement of the first and second friction surfaces, an electric signal may be passed between the flywheel and the terminal via the electrically conducting element.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: July 9, 2024
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Sukanya Gaurav Kishore, Dushyanth S
  • Patent number: 12025222
    Abstract: A parking lock assembly for a vehicle with an electric drive system, the parking lock assembly comprises a parking gear, an actuator housing containing an actuator and locking lever, and a mounting bracket. The electric drive system has a drive motor, a drive shaft, and a plurality of wheels. The parking gear is fastened between the drive shaft and the drive motor to form a linkage, and the actuator housing is held in a position in close proximity to the parking gear, allowing the locking gear to engage the parking gear to arrest the rotation of the drive shaft and prevent the vehicle from moving. A return spring allows the locking lever to disengage from the parking gear. The mounting bracket allows the actuator housing to be externally mounted to a mounting point located on the vehicle or to a housing surface external to the drive motor.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: July 2, 2024
    Inventors: Osvaldo Villafana, Ryan Haroutunian
  • Patent number: 12025190
    Abstract: A driving force distribution device includes a lubrication path LP supplying lubricating oil from an oil inlet positioned on the case outside a cylinder into a hub of each clutch unit through an oil hole positioned between an external surface of the cylinder of each operation unit and a bearing supporting the same, between a spacer supporting the bearing and a snap ring supporting the spacer, between an internal diameter of the cylinder of each operation unit and an external diameter of a drum of each clutch unit, and in the drum of each clutch unit, allowing left and right lubrication paths for lubrication of left and right clutch units to have the shortest length, and simultaneously, each flow path to have an increased size.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: July 2, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, HYUNDAI WIA CORPORATION
    Inventors: Taewoo Lee, Jeong Won Song, Sung Keun Lim, JunSeok Park, Yeong Taek Lee, Won Hee Hong, Ji Seung Ryu
  • Patent number: 12013033
    Abstract: A compact park lock assembly configured to be pulled towards a ramped section of a locking lever during actuation to unlock and lock a park lock gear. The compact park lock assembly includes a guide plate configured to align the park lock assembly during assembly, receive input loads from a pinion drive gear arrangement, position and restrain movement of the guide plate, and provide for sensing of the position of the locking lever during operation. The compact park lock assembly also includes an abutment plate to facilitate mounting of the park lock assembly, a spring section to restrain the guide plate, and a clip section to force and retain the abutment plate section to a housing.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 18, 2024
    Assignee: Linamar Corporation
    Inventor: Jefferey Ziemba
  • Patent number: 11982350
    Abstract: The present invention relates to a locking actuator (2) for a brake transmission (1), in particular for a brake transmission (1) of an electric parking and/or service brake, having a driving device (5), a housing (10), a transmission (20) with an axis of rotation (R) and an output (24), and a ratchet slide (30), which is movable in an axis (L) between a first position and a second position along a locking path, wherein the output (24) is coupled to the ratchet slide (30) via an eccentric (25) and can move the ratchet slide (30) in the axis (L) when the output (24) is rotated. In addition, the present invention relates to a brake transmission (1) and an operating and/or parking brake.
    Type: Grant
    Filed: April 1, 2022
    Date of Patent: May 14, 2024
    Assignee: IMS GEAR SE & CO. KGAA
    Inventors: Johannes Stoehr, Fabian Gruler, Wilfried Synovzik
  • Patent number: 11982324
    Abstract: To provide a cam clutch unit that is easy to handle before assembly, with its components prevented from lifting or detachment, and that allows production with fewer machining steps and a lower level of difficulty, while also enabling unit thickness reduction. The cam clutch unit of the present invention includes: a plurality of cams arranged between an inner race and an outer race; a cage ring having a plurality of pocket portions that restrict relative circumferential movements of the cams; and an annular spring that biases the cams. The cams have an engagement step adapted to engage with the spring on one axial end face. The cage ring has a plurality of hook portions that restrict an axial movement of the annular spring. The hook portions have a pressing part that allows the spring to press the cams towards the other axial end.
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: May 14, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventors: Akira Morita, Hirokazu Tsuneda, Yuji Kurematsu
  • Patent number: 11982325
    Abstract: A distance between a rotation center of an input member and a contact portion between an input side engaging portion and an input side engaged portion in a second direction is set to be shorter than a distance between a rotation center of an output member and a contact portion between an output side engaging portion and an output side engaged portion in the second direction. In a locked or semi-locked state, a contact portion between the output side engaging portion and the output side engaged portion is located on the side closer to the rotation center of the output member in a first direction in relation to a virtual line connecting the rotation center of the output member and a contact portion between one pressing surface of the pair of pressing surfaces and the pressed surface.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: May 14, 2024
    Assignee: NSK LTD.
    Inventors: Nagao Dohi, Shohei Kaneko
  • Patent number: 11982320
    Abstract: A transmission includes a first component and a second component which are journaled for rotation relative to each other, and a locking mechanism for rotationally locking the first component and the second component relative to each other in a predetermined mutual rotation position. The locking mechanism includes a sleeve and a dog clutch, the sleeve being rotationally locked relative to the first component and the dog clutch being rotationally locked relative to the second component, the sleeve and the dog clutch being axially displaceable relative to each other for engagement of the sleeve and the dog clutch such that the first component and the second component are rotationally locked relative to each other, the sleeve and the dog clutch being engageable only in a mutual rotation position corresponding to the predetermined mutual rotation position of the first component and the second component.
    Type: Grant
    Filed: February 27, 2021
    Date of Patent: May 14, 2024
    Assignee: Ningbo Geely Automobile Research & Dev. Co., Ltd.
    Inventors: Eva Barrientos Blanco, Henrique Budacs, Fredrik Sjöqvist
  • Patent number: 11971098
    Abstract: A power transmission device includes a torque converter device, a first hydraulic pump, a first oil channel, a second oil channel, a third oil channel, a second pressure control valve, and a controller. The torque converter device has a torque converter and a lock-up clutch. The first oil channel supplies hydraulic fluid from the first hydraulic pump to the torque converter. The second oil channel drains hydraulic fluid from the torque converter. The third oil channel communicates with the first oil channel and the second oil channel. The second pressure control valve is disposed in the third oil channel. The controller sets the second pressure control valve to an open state when the lock-up clutch is in an engaged state.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: April 30, 2024
    Assignee: KOMATSU LTD.
    Inventors: Hironori Torisu, Takuro Yoneda, Tetsuya Yamauchi
  • Patent number: 11965594
    Abstract: An electronic parking mechanism that includes a parking cam assembly, a pawl assembly and a parking gear. The parking cam assembly includes a parking guide shaft and a parking cam that is sleeved on the parking guide shaft, and one side of the parking cam is provided with an arc protrusion along a circumferential direction so that as the parking cam rotates, the pawl assembly is in a first position where the pawl assembly parks in the parking gear and a second position where the pawl assembly parks out the parking gear, respectively. The pawl assembly includes a pawl and a pawl shaft, an upper part of the pawl contacts the parking cam, the pawl shaft is provided on a side of the pawl that can rotate around the pawl shaft.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 23, 2024
    Assignee: Jing-Jin Electric Technologies Co., Ltd.
    Inventors: Jianwen Li, Ran Sun, Lena Jin
  • Patent number: 11965562
    Abstract: An outer member of a rotation transmission device has an opening integral with an inner peripheral portion of the outer member. Engaging elements are disposed between an inner member and the inner peripheral portion. An outer ring is fitted to the inner peripheral portion. A first snap ring is attached to the inner peripheral portion. An inner ring is fitted to an end portion of the inner member at one axial end thereof. A second snap ring is attached to the end portion through the opening. A shaft is connected to the opening so as to be rotatable in unison with and coaxially with the outer member.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: April 23, 2024
    Assignee: NTN Corporation
    Inventor: Koji Sato
  • Patent number: 11953059
    Abstract: 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.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 9, 2024
    Assignee: DENSO CORPORATION
    Inventors: Ryo Ishibashi, Akira Takagi, Takumi Sugiura
  • Patent number: 11946534
    Abstract: A torque converter assembly having a cover including a tubular body, and a pump including a shell. The shell of the pump is received in the tubular body of the cover, and the shell of the pump is joined to the cover with a circumferential weld. The tubular body of the cover can include a circumferentially extending groove, and the circumferential weld can be at least partially aligned in an axial direction with the groove.
    Type: Grant
    Filed: May 15, 2023
    Date of Patent: April 2, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Erick Arturo Vazquez, Steven Olsen, Victor Alejandro Reyna
  • Patent number: 11940013
    Abstract: A clutch device includes a clutch center, and a pressure plate movable toward or away from the clutch center, rotatable relative to the clutch center, and operable to press input-side rotating plates and output-side rotating plates. The pressure plate holds the output-side rotating plates and includes pressure-side fitting teeth projecting radially outward from an outer peripheral surface of an outer peripheral wall and arranged in circumferential directions, and an oil channel in an end portion of at least one of the pressure-side fitting teeth in a first direction. The oil channel allows clutch oil flowing at least at an inner peripheral surface of the outer peripheral wall to be discharged to the outside of the pressure plate.
    Type: Grant
    Filed: September 12, 2023
    Date of Patent: March 26, 2024
    Assignee: KABUSHIKI KAISHA F.C.C.
    Inventors: Makoto Kambara, Jun Komukai
  • Patent number: 11913546
    Abstract: A parking lock device for positioning a parking head moved to a parking position in a parking position and holding the parking state includes a first switching mechanism and a second switching mechanism. The first switching mechanism is switched between a coupled state in which the parking head and the parking rod are coupled to each other and a non-coupled state in which the first switching mechanism is relatively movable. The second switching mechanism is switched between a locked state in which the parking head is positioned in the fixed case and an unlocked state in which the parking rod is retracted in the locked state to release the positioning of the parking head with respect to the fixed case.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: February 27, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masaru Morise
  • Patent number: 11906004
    Abstract: A freewheel assembly includes a central axis of rotation, a single-piece flange formed by deep drawing, and a freewheel unit. The single-piece flange includes a sleeve portion, a disk portion protruding radially outward from the sleeve portion, and a centering collar. The disk portion includes a first end face and the centering collar is formed on the first end face. The freewheel unit includes an outer ring fastened to the sleeve portion by press fitting, and a plurality of rolling elements accommodated within the outer ring. The outer ring includes a plurality of clamping ramps, and each one of the plurality of rolling elements cooperates with a one of the plurality of clamping ramps.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: February 20, 2024
    Inventor: Alexander Reimchen
  • Patent number: 11905999
    Abstract: To provide a cam clutch easily switchable from a torque transmitting state to a freewheeling state even during torque transmission between race members. The cam clutch includes a plurality of cams set between a first race member and a second race member. The first race member and second race member are spaced away in the axial direction along the rotation axis of the first race member. The plurality of cams are disposed between the first race member and the second race member in the axial direction, and the first race member and the second race member are configured to be able to move relatively closer to and away from each other in the axial direction.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: February 20, 2024
    Assignee: TSUBAKIMOTO CHAIN CO.
    Inventor: Sota Kusunoki