Patents Examined by Sherry L. Estremsky
  • Speed reducer
    Patent number: 11359699
    Abstract: A speed reduce according to an embodiment of the present invention includes a case having an outer diameter D, a plurality of crankshafts, and a carrier supporting the crankshafts in a rotatable manner. The carrier is rotatable by the crankshafts relative to the case. Each of the plurality of crankshafts includes a plurality of eccentric members each of which has a diameter dc1 and a crank journal that has a diameter dc2. The crankshaft further includes n1 needles that are arranged around each of the plurality of eccentric members and each of which has a diameter size dr1, and n2 needles that are arranged around the crank journal and each of which has a diameter size dr2. In the speed reducer, relational expression 5.5?D/dc1?7.0 is satisfied.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: June 14, 2022
    Assignee: NABTESCO CORPORATION
    Inventor: Kazuya Furuta
  • Speed reducer
    Patent number: 11353090
    Abstract: A speed reducer according to one embodiment of the present invention includes a crankshaft and a speed reducing mechanism. The crankshaft includes a gear portion driven by rotation from a drive source and a journal portion formed integrally with the gear portion. The crankshaft rotates about an axis of the journal portion. The speed reducing mechanism decelerates rotation of the crankshaft and outputs the decelerated rotation.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: June 7, 2022
    Assignee: NABTESCO CORPORATION
    Inventors: Masahiro Takahashi, Yuto Nakai, Shunsuke Kimura
  • Planetary carrier assembly with stamped planetary spider configured for balancing holes
    Patent number: 11346440
    Abstract: A planetary carrier assembly is provided having a main planet carrier body and a stamped planetary spider formed from a planetary spider blank made of sheet or plate material. The planetary spider has a central portion that extends in a plane perpendicular to an axis of the main planet carrier body, and at least two flanges that extend integrally from the central portion in a direction parallel to the axis toward the main planet carrier body that form spider connection legs. The at least two flanges further include integrally connected distal balance portions that extend from ends of the spider connection legs and are folded back toward respective inner surfaces thereof. The ends of the spider connection legs are fastened to the main planet carrier body and the balance portions are configured for mass removal as part of a dynamic balancing of the planetary carrier assembly.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: May 31, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Brian Lee, Dominik Wiesner, Timothy Simon, Raymond Imars
  • Flexible gear wheel and gear mechanism with such a flexible gear wheel
    Patent number: 11339863
    Abstract: A gear mechanism is disclosed with a ring gear, with a flexible gear wheel arranged in the ring gear and with a wave generator which is in contact with the flexible gear wheel and which deforms the flexible gear wheel so that it is in sections in engagement in the ring gear. The gear mechanism can be configured in such a way that interference in the engagement in the gear teeth and the gear backlash are reduced, the noise behavior and the power transmission are improved and the service life is increased. The flexible gear wheel can include at least two flexible gear wheel disks arranged adjacent to one another in the axial direction, and each gear wheel disk can include at least two toothed segments in the circumferential direction which are connected to one another by way of spring segments.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: May 24, 2022
    Assignee: MAXON INTERNATIONAL AG
    Inventor: Dirk Zimmermann
  • Geared turbofan high gearbox power density
    Patent number: 11339723
    Abstract: A geared architecture for a gas turbine engine includes a central gear supported for rotation about the axis, a plurality of intermediate gears engaged with the central gear and a ring gear circumscribing the intermediate gears. A first flexible coupling is provided between an input shaft driven by a turbine section and the sun gear. The geared architecture provides a power density comprising a power measured in horsepower (HP) related to a weight of the geared architecture within a defined range that benefits overall engine weight and efficiency.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 24, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Frederick M. Schwarz, William G. Sheridan, Glenn Levasseur
  • Triple clutch assembly, powertrain, and motor vehicle
    Patent number: 11331999
    Abstract: A triple clutch arrangement and a powertrain for a motor vehicle with a dual clutch transmission for use between at least two drive devices and the dual clutch transmission. A first clutch and a second clutch of the triple clutch arrangement are connectable to the first drive device and in each instance to a transmission input shaft. The first drive device and the second drive device are both connected to, or connectable to, a primary side of the first clutch and/or the second clutch via the third clutch.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: May 17, 2022
    Assignee: ZF Friedrichshafen AG
    Inventors: Michael Obergasser, Matthias Wesa
  • Method for operating a hybrid motor vehicle
    Patent number: 11333121
    Abstract: A method for operating a hybrid motor vehicle. In one example, the vehicle comprises an internal combustion engine (10) and at least one electric motor (20). As long as at least one parameter of an exhaust gas aftertreatment system (12) of the internal combustion engine (10) lies outside a given range, the starting of the internal combustion engine (10) is delayed and the internal combustion engine (10) is dragged by the electric motor (20). At the same time at least one measure is carried out which changes the parameter.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 17, 2022
    Assignee: Robert Bosch GmbH
    Inventor: Werner Christl
  • Multiple-purpose vehicle
    Patent number: 11320029
    Abstract: A gear transmission (20) includes a plurality of shift gears (36, 37), a plurality of shifters (55, 56) engaged, respectively, with the plurality of shift gears (36, 37), and a shift drum (58) rotatably operated by a stepped speed changing operational tool (66) to operate the plurality of shifters (55, 56), thus being speed-changed in forward three speed stages. The stepped speed changing operational tool (66) is switched to a neutral position, a forward third speed position, a forward second speed position and a forward first speed position in this cited order.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: May 3, 2022
    Assignee: Kubota Corporation
    Inventors: Toshifumi Yasuda, Yusuke Morita
  • Speed reducer
    Patent number: 11313439
    Abstract: A speed reducer includes a case with internal teeth, where the case has a cylindrical shape and an outer diameter D, an inner cylinder centered around an central axis of the case and having an inner diameter R, where R/D falls within a range of 20% to 45%, crank shafts arranged on a circumference of an imaginary circle centered around the central axis of the case, where the crank shafts are spaced away from each other in a circumferential direction of the imaginary circle, and each crank shaft has first external teeth, an external tooth member having second external teeth meshing with the internal teeth, where the external tooth member is eccentrically movable by the crank shafts, and a carrier supporting the crank shafts in a rotatable manner, where the carrier is rotatable by the crank shafts relative to the case.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: April 26, 2022
    Assignee: NABTESCO CORPORATION
    Inventor: Yuta Mitsuno
  • Planetary gearbox and method for assembling a planetary gearbox
    Patent number: 11313441
    Abstract: A planetary gear box, which has a sun gear, a plurality of planet gears, a ring gear, a plurality of planet pins an axially front carrier plate and an axially rear carrier plate, wherein the planet pins are connected to the carrier plates. Provision is made whereby the planet pins, at their axial ends, have in each case one platform, radially oriented slots are formed on the carrier plates, and the platforms are pushed via guide grooves into the radially oriented slots. The invention furthermore relates to a method for the assembly of a planetary gear box.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 26, 2022
    Assignee: Rolls-Royce Deutschland Ltd & Co KG
    Inventor: Hannes Wüstenberg
  • Traction device
    Patent number: 11306802
    Abstract: A traction device including a ring member, a carrier, and a sun member and an electric motor, wherein the electric motor is coupled to at least one of the ring member, the carrier, and the sun member.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: April 19, 2022
    Assignee: Dana Limited
    Inventors: Jeffrey M. David, Daniel J. Dawe, Charles B. Lohr, III, Gordon M. McIndoe, Travis J. Miller, Sebastian J. Peters, Patrick R. Sexton
  • Working vehicle
    Patent number: 11293528
    Abstract: A working vehicle of this invention includes a main speed change structure that includes a continuously variable speed change structure such as an HMT structure and a multi-speed speed change structure capable of switching between a first power transmission state with a first gear ratio and a second power transmission state with a second gear ratio providing a higher speed than the first gear ratio. A control device causes the continuously variable speed change structure to be accelerated to a forward travel side in accordance with an accelerating operation of a speed change operation member in a forward travel direction, and causes the multi-speed speed change structure to be changed from a first power transmission state to a second power transmission state when the rotational speed of the speed change output shaft reaches a switching speed set to exceed a work speed range.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: April 5, 2022
    Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.
    Inventors: Koji Iwaki, Kazuhiro Owada, Kengo Sasahara
  • Vehicle drive device
    Patent number: 11293538
    Abstract: A vehicle drive device including: a rotary electric machine that serves as a drive power source for a plurality of wheels; an input drivingly coupled to the rotary electric machine; a counter gear mechanism; a differential gear device that distributes a driving force transmitted from the rotary electric machine via the input and the counter gear mechanism, to the plurality of wheels; a case that accommodates the rotary electric machine, the input, the counter gear mechanism, and the differential gear device; and a support that is a separate member from the case, and is fixed inside the case.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: April 5, 2022
    Assignee: AISIN CORPORATION
    Inventors: Ryohei Inoue, Takahisa Hirano
  • Automatic transmission and control method of automatic transmission
    Patent number: 11293531
    Abstract: An automatic transmission is provided, which includes a variator having a first pulley, a second pulley and a belt wound around the first and second pulleys, a first motor configured to give a pulley thrust force for shifting the variator to the first or second pulley, a second motor configured to cause a belt clamping force to be generated in the variator, and a power transmission mechanism provided between the second motor and the variator, to transmit an output torque of the second motor to the variator. The power transmission mechanism includes a cycloid decelerator configured to decelerate an input torque from the second motor, and transmit the decelerated input torque to the variator.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: April 5, 2022
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventor: Takanori Hagihara
  • Work vehicle
    Patent number: 11285958
    Abstract: This work vehicle (tractor), which is provided with an engine and an accelerator pedal capable of changing the operational state of the engine, and is configured to be free to travel by means of an operation of the accelerator pedal by an operator, is equipped with a display near an operator's seat, said display being configured to be capable of displaying a screen (travel customization screen) for selecting whether or not to allow travel in conjunction with the accelerator.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: March 29, 2022
    Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventors: Toshiyuki Miwa, Kouhei Ogura
  • Differential locking system
    Patent number: 11287022
    Abstract: A differential locking system that can rotationally lock a shift fork and a sliding clutch assembly to ensure correct engagement of an axle shaft with a sliding clutch assembly during reassembly of an axle shaft. The differential locking system includes a first portion of a push rod is selectively engaged with a portion of the shift fork and a second portion of the push rod is selectively engaged with a portion of a carrier housing.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: March 29, 2022
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Prashant L. Chaudhari, Akash A. Aware, Virendra V. Kumbhar, Pravin V. Karande
  • Multi-speed gearbox and the drive axle made therewith
    Patent number: 11280391
    Abstract: An electric drive axle of a vehicle includes an electric motor having an output shaft. At least one of a gear and a planetary gear set is operably connected to the output shaft of the electric motor. The at least one of the gear and the planetary gear set is operably connected to a differential configured to transfer torque to two axle half shafts of the vehicle. At least one clutch configured to facilitate a plurality of gear ratios between the electric motor and the differential.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 22, 2022
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Eric M. Engerman
  • Lubricant collector
    Patent number: 11274738
    Abstract: A vehicle drive unit assembly having a ring gear with a plurality of ring gear teeth extending from an outer surface thereof. At least a portion of a lubricant collector having a body portion with a first side, a second side, a first end portion, a second end portion and an intermediate portion is disposed proximate to and directly adjacent at least a portion of the ring gear. The lubricant collector has one or more first receiving portions and/or one or more second receiving portions defining a collector reservoir therein. The one or more first receiving portions and/or one or more second receiving portions of the collector reservoir receive an amount of lubricating fluid that is expelled or thrown from the ring gear.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 15, 2022
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventor: Shane T. Smith
  • Planet carrier assembly for vehicle door closing actuator
    Patent number: 11261940
    Abstract: The present application relates to a planet carrier assembly for a vehicle door closing actuator. The planet carrier assembly comprises a plurality of planetary gears and a planet carrier body. The planet carrier body comprises a disc portion, a cover portion and an output shaft portion, wherein the plurality of planetary gears are rotatably mounted on the disc portion via a corresponding number of mounting shafts fixed to the disc portion, one end of the mounting shaft protruding from a central hole of the planetary gear is pressed into a corresponding receiving hole on the cover portion, and the planet carrier body is further provided with a rotation locking device to prevent the cover portion from rotating circumferentially relative to the disc portion. The planet carrier assembly according to the present application has the advantages such as low cost, high strength, and simple assembly.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: March 1, 2022
    Assignee: GUANGDONG ZHAOQING L&V CO. LTD.
    Inventors: Hongyu Gong, Yuan Jiang, Xianghuai Qiu, Qingchun Yang
  • Actuator for shift-by-wire system
    Patent number: 11255431
    Abstract: An acuator for a shift-by-wire system includes a drive motor installed inside a motor housing, the drive motor having a drive shaft, and a decelerator inside a decelerator housing coupled with the motor housing, the decelerator coupled to the drive shaft. The decelerator includes a sun gear connected to a first side of an eccentric part of the drive shaft, a ring gear engaged with the sun gear and fixed to the decelerator housing, an output shaft connected to a second side of the eccentric part, a first bearing coupled to one side of the eccentric part and supporting the sun gear, a second bearing coupled to the other side of the eccentric part and supporting the output shaft, and a power delivery unit coupled to the sun gear and the output shaft in a center region between the first and second bearings.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: February 22, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Kyung Chang Industrial Co., Ltd.
    Inventors: Yang Rae Cho, Byoung Hyuk Lee, Wonjin Jeong, Kyu-Jung Kim, Ki Cheol Hyun, Dae Yeon Kim