Patents Examined by Huan Le
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Patent number: 11940012Abstract: A normal-time drive cam groove extends from a drive cam specific point, which is defined as a specific point of the drive cam, toward one side in a circumferential direction of the drive cam. A groove bottom at the normal-time drive cam groove is sloped relative to one end surface of the drive cam such that a depth of the groove bottom continuously decreases from the drive cam specific point toward the one side in the circumferential direction of the drive cam. An emergency-time drive cam groove extends from the drive cam specific point toward another side in the circumferential direction of the drive cam.Type: GrantFiled: December 30, 2020Date of Patent: March 26, 2024Assignee: DENSO CORPORATIONInventors: Akira Takagi, Ryo Ishibashi, Takumi Sugiura
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Patent number: 11932349Abstract: A power unit for a pedal vehicle includes a pedal shaft, an output shaft arranged to transfer torque to a vehicle wheel, a main epicyclic gear set arranged to control transmission ratio between the pedal shaft and the output shaft, an assist motor connected to an assist gear of the main epicyclic gear set, and a control motor connected to a control gear of the main epicyclic gear set. The control motor and the control gear form a control assembly of the power unit. The power unit includes a one-way clutch provided to the control assembly of the power unit and arranged to transmit rotation in only a first rotation direction.Type: GrantFiled: June 26, 2020Date of Patent: March 19, 2024Assignee: GATES CORPORATIONInventor: Iiro Peltola
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Patent number: 11933373Abstract: A power tool including a housing and a motor housed in the housing. There is a spring engine housed in the housing and a driver blade driven by the spring engine. Additionally, the power tool holds a pipe clamp configured to be driven into a workpiece by the driver blade.Type: GrantFiled: September 12, 2022Date of Patent: March 19, 2024Assignee: Black & Decker, Inc.Inventors: Mike Schmittdiel, Patel Sandip, Dylan Parker, Michael Justis, Dustin L. Demarr, Kathleen Miller
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Patent number: 11920645Abstract: A method controls a hydraulic system for an actuation device and a cooling and/or lubricating device of a motor vehicle. The hydraulic system has a pump, multiple first actuation valves which are each arranged between a system rail connected to a pump outlet and a hydraulic consumer, as well as an additional valve which is arranged between the pump outlet and a coolant and/or lubricant supply line. The pump is switched between a normal operation and an enhanced operation according to an existing total energy demand of the hydraulic consumer. In normal operation, the pump is permanently driven and the additional valve is opened and closed to control pressure in the system rail. In enhanced operation, the pump is permanently driven, the additional valve is permanently closed and each of the actuation valves is operated according to an individual energy demand of the respective hydraulic consumer.Type: GrantFiled: March 25, 2020Date of Patent: March 5, 2024Assignee: Schaeffler Technologies AG &Co. KGInventor: Yunfan Wei
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Patent number: 11920678Abstract: A parking pawl assembly having a housing, a parking pawl having a pin bore, a support sleeve fitted in the pin bore, and a pivot pin inserted through the support sleeve. The pivot pin is attached to the housing, thus pivotally attaching the parking pawl to the housing. The parking pawl includes a first end and a second end spaced from the first end. The first end defines the pin bore having an interior bore surface. The support sleeve includes an exterior surface fitted to the interior bore surface of the parking pawl. The exterior surface of the support sleeve may include outer diameter rolled threads or other locking features. The interior bore surface of the parking pawl may include inner diameter rolled threads operable to receive the outer diameter rolled threads of the support sleeve.Type: GrantFiled: February 13, 2023Date of Patent: March 5, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lokesh Choudhary, Qigui Wang, Wenying Yang, Marcel Taran, Gregory Melekian, Alexey Rubin
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Patent number: 11920642Abstract: A roller freewheel unit for a vehicle includes an outer sleeve element, an inner ring element and a cage element for accommodating spring/roller elements. The inner ring element has at least one radially protruding sliding shoe element, which can be inserted into a corresponding receptacle of the cage element in the axial direction in order to interconnect the inner ring element and the cage element. The inner ring element may have multiple sliding shoe elements arranged on the circumference of the inner ring element, and the cage element may have correspondingly arranged receptacles. The outer sleeve element may be slid onto outer surfaces of the sliding shoe elements in such a manner that the outer sleeve element is centered and supported by the sliding shoe elements.Type: GrantFiled: November 5, 2020Date of Patent: March 5, 2024Assignee: Schaeffler Technologies AG & Co. KGInventor: Alexander Reimchen
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Patent number: 11913504Abstract: A clutch weight for a continuously variable transmission is disclosed. The clutch weight, in certain examples, includes a body having a first end having a pivot pin opening and a second end opposite the first end, a curvilinear surface disposed between the first end and the second end configured to engage a roller, and wherein the roller contacts the curvilinear surface at least at a first contact position, and a center of mass of the body disposed a distance Y from a center of the pivot pin opening and a distance X from the first contact position, and where a ratio of X to Y is in the range of between about 0.499 and 0.685.Type: GrantFiled: May 10, 2023Date of Patent: February 27, 2024Assignee: Boondocker LLCInventors: Rocklund D. Young, Rocklund D. Young, Jr.
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Patent number: 11904633Abstract: A freehub of a bicycle contains: a body fitted and rotating on a rotary shaft. A receiving sleeve is connected with the body and fitted on the rotary shaft, and the receiving sleeve includes an accommodation holder configured to accommodate a freewheel. A ratchet assembly is mounted between the body and the receiving sleeve, the ratchet assembly includes multiple chutes, and a central axis of a respective chute is not parallel to a central axis of the rotary shaft. A toothed ring is fitted between the fixing element and the body. The ratchet assembly includes multiple teeth, multiple engagement elements, and multiple resilient elements. A respective resilient element abuts against the respective chute and a respective engagement element, such that the respective engagement element is urged by the respective resilient element to linearly move toward the respective tooth so as to engage with the respective tooth.Type: GrantFiled: April 14, 2021Date of Patent: February 20, 2024Inventor: Wei-Ting Liu
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Patent number: 11906042Abstract: A gear shift control device of an automobile includes memory storing a gear shift map that defines, for each of gear shift points, thresholds of the number of revolutions to determine a switching start timing of each of the gear positions, a transmission control unit that performs switching between the gear positions based on the gear shift map, and a regeneration control unit that controls regeneration. The gear shift map includes a non-cooperative regeneration map that defines the thresholds of revolutions lower than the thresholds in a cooperative request map used in cooperative regeneration, and the non-cooperative regeneration map includes a combustion request map that defines the thresholds of low revolutions and is used when an accelerator is not used, and a travel request map that defines the thresholds of relatively higher revolutions and is used when the accelerator is used.Type: GrantFiled: March 27, 2023Date of Patent: February 20, 2024Assignee: Mazda Motor CorporationInventors: Daigo Nishikori, Hiroaki Gotan, Akina Inagaki, Tomohiro Okubo, Kiminori Higo, Takayuki Mikami
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Patent number: 11905739Abstract: A manual/automatic dual-purpose clutching structure includes a driving gear assembly, a reversing clutching assembly and a driven gear assembly. The driving gear assembly includes a first gear, a second gear and a driving module, the first gear being coaxially and fixedly connected to the second gear. The reversing clutching assembly includes a reversing gear and a reset spring, the reversing gear is located on one side of and meshes with the second gear. The driven gear assembly includes an output gear which is located on the other side of and does not make contact with the second gear. The reversing gear rotates around a central axis of the second gear under a driving of the driving module to mesh with the output gear. After power of the driving module disappears, the reversing gear is prompted to be disengaged from the output gear under an action of the reset spring.Type: GrantFiled: April 3, 2023Date of Patent: February 20, 2024Inventor: Dezhao Xiang
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Patent number: 11901796Abstract: A ride-on vehicle, such as for a child, includes a vehicle body and one or more wheels that support the vehicle body relative to a surface. At least one of the wheels includes a hub motor arrangement that provides a drive torque for propelling the vehicle. The hub motor arrangement includes a housing defining an interior space. An axle or other mounting element(s) define an axis of rotation of the housing. Preferably, the axle or other mounting element(s) do not pass completely through the housing. A motor drives the housing through a transmission. Preferably, the motor is a standard, compact motor that is positioned on the axis of rotation and can be laterally offset from a central plane of the housing. In some embodiments, a traction element is carried directly by the housing.Type: GrantFiled: October 12, 2022Date of Patent: February 13, 2024Assignee: Razor USA LLCInventor: Joey Chih-Wei Huang
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Patent number: 11892064Abstract: An electric drive transmission system includes a disconnecting differential. The disconnecting differential comprises a first one-way clutch, a second one-way clutch and an interruption device. The first one-way clutch and the second one-way clutch have opposite locking directions and are coaxially sleeved between a planet carrier and a differential housing. The interruption device comprises a power section and an interruption section, wherein the power section is located on an inner wall of a reduction gearbox, and wherein the interruption section is located on the differential housing and can shift, under the action of the power section, all rolling elements of the one-way clutch locked in a forward rotation coasting condition, thereby realizing selective releasing of the locking function of the one-way clutch.Type: GrantFiled: March 24, 2023Date of Patent: February 6, 2024Assignee: XPT EDS (Hefei) Co., Ltd.Inventors: Xin Fan, Zhengcheng Huang
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Patent number: 11885396Abstract: A transmission arrangement for an at least partially electrically driven vehicle includes a first electric machine defining a first central longitudinal axis and having a first gear stage and a second gear stage. The arrangement further includes a second electric machine defining a second longitudinal axis and having a first gear stage and a second gear stage. Further, the arrangement includes a transmission housing, with the first and second electric machines being arranged in the transmission housing. Additionally, the arrangement includes a differential drivingly connected to the second gear stages of the first and second electric machines. The first and second central longitudinal axes are axially parallel to each other on a circular path, the circular path being perpendicular to an output axis.Type: GrantFiled: December 17, 2021Date of Patent: January 30, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Timo Wehlen, Stephan Scharr, Eckhardt Lübke, Manfred Till
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Patent number: 11885382Abstract: During movement of a mass of a centrifugal clutch a radially inner position to a radially outer position and a resulting increase in torque transmitted from an input gear to an output shaft, a power transmission apparatus includes a first torque region where the apparatus restricts operation of a pressing assist cam and a second torque region where the apparatus allows operation of the pressing assist cam.Type: GrantFiled: December 7, 2022Date of Patent: January 30, 2024Assignee: KABUSHIKI KAISHA F.C.C.Inventors: Yoshihiko Ozawa, Han Hiong Chen, Katsu Yoshimoto
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Patent number: 11879543Abstract: Systems and apparatuses include a power shift transmission including a plurality of clutch valves, each clutch valve actuatable between an open position providing flow to a corresponding clutch pack and a closed position inhibiting flow to the corresponding clutch pack; and a hydraulic damping rail including a primary rail wall defining a primary rail volume, a rail inlet structured to provide communication of hydraulic fluid between a hydraulic pump and the primary rail volume, and a plurality of rail outlets, each rail outlet corresponding to one of the plurality of clutch valves and structured to provide communication between the primary rail volume and the corresponding one of the plurality of clutch valves.Type: GrantFiled: December 23, 2021Date of Patent: January 23, 2024Assignee: CNH Industrial America LLCInventors: Hamidreza Mahabadipour, Haibo Guo
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Patent number: 11873887Abstract: In a power transmission device in which a hub portion of a ring gear is fixed by a weld portion to a flange portion on an outer periphery of a transmission member, a positioning outer peripheral part of an outer periphery of the flange portion has a radial direction positioning face that positions the hub portion in a radial direction with respect to the flange portion, and an axial direction positioning face that positions in an axial direction, a first annular recess part is provided in the positioning outer peripheral part, the first annular recess part alleviating stress caused by a pushing load via which the positioning projecting part pushes the radial direction positioning face due to the hub portion receiving a tensile force inward in the radial direction accompanying thermal shrinkage of the weld portion between a first outer peripheral part and the hub portion.Type: GrantFiled: June 26, 2020Date of Patent: January 16, 2024Assignee: Musashi Seimitsu Industry Co., Ltd.Inventors: Akihiro Uchida, Akuto Sekiguchi, Tetsuya Okabe
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Patent number: 11873882Abstract: A transmission structure of a coreless tubular motor includes a motor main body, a motor connecting seat, a primary gear ring, a primary planetary gear assembly, a brake outer sleeve, a secondary planetary gear assembly and a tertiary planetary gear assembly; the motor main body is a coreless motor; a brake driving member and a brake driven member which are coaxially provided are provided in and pass through the brake outer sleeve; the brake driving member is connected to an output end of the primary planetary gear assembly, the brake driven member is connected to an input end of the secondary planetary gear assembly, the brake driving member is in transmission connection with the brake driven member, and a braking assembly connected to the brake driving member and the brake driven member is provided on the inner side of the brake outer sleeve in the circumferential direction.Type: GrantFiled: May 14, 2020Date of Patent: January 16, 2024Assignee: HANGZHOU WISTAR MECHANICAL & ELECTRIC TECHNOLOGY CO., LTDInventors: Xudong Sun, Cailong Zhu
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Patent number: 11867241Abstract: The invention relates to a freewheeling element comprising a cage, a plurality of clamping bodies, each of the clamping bodies being received in an associated clamping body pocket formed in the cage, and a plurality of rolling bodies, each of the rolling bodies being received in an associated rolling body pocket formed in the cage, the cage having a higher resilience than the clamping bodies and the rolling bodies.Type: GrantFiled: October 23, 2020Date of Patent: January 9, 2024Assignee: PAUL MULLER GMBH & CO. KG UNTERNEHMENSBETEILIGUNGENInventors: Manfred Elbacher, Andreas Radke
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Patent number: 11846329Abstract: To provide a simple-structured cam clutch that does not require precise control, uses a smaller drive force, provides improved clutch operation stability and high responsiveness, and offers more mode switch options. The cam clutch includes a plurality of cams circumferentially arranged between an inner race and an outer race. The cams are arranged in a plurality of rows adjacent each other in a direction of rotation axis. The cam clutch has a selector that allows a rotation angle thereof to be controlled relative to the inner race or the outer race. The selector has a cam orientation control surface capable of changing the orientation of at least one row of cams by making contact with a cam surface. The cam orientation control surface includes a cam release portion radially protruded toward the cams more than a cam actuator portion and moving the cams to a non-operating orientation.Type: GrantFiled: March 7, 2023Date of Patent: December 19, 2023Assignee: TSUBAKIMOTO CHAIN CO.Inventors: Yuji Kurematsu, Tsubasa Sugiya, Eiichi Nakagawa
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Patent number: 11845336Abstract: Disclosed is a powertrain for a hybrid vehicle including a first motor provided to be selectively connected to an engine, a second motor provided to be selectively connected to the first motor, and an output shaft provided to transfer the rotational force of the second motor to drive wheels of the vehicle.Type: GrantFiled: July 26, 2022Date of Patent: December 19, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Yeong Il Choi, Ho Rim Yang, Buhm Joo Suh, Hyuk Joon Kwon, Seung Wook Lee, Seok Joon Kim, Tal Chol Kim, Woul Sun Choi