Patents Examined by Henry Liu
  • Patent number: 9897190
    Abstract: A belt-driven starter-generator includes a rotary shaft, and a pulley belt coupled on an outer peripheral surface of the rotary shaft. A key is press-fitted into a pocket formed between the rotary shaft and the pulley belt so as to fix the rotary shaft to the pulley belt. A coupling member is coupled to a thread formed on the outer peripheral surface of the rotary shaft so as to support one side of the pulley belt. Operational reliability and assembly convenience may be improved by the belt-driven starter-generator of the present disclosure.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: February 20, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Hyun Soo Yu
  • Patent number: 9890837
    Abstract: A tensioner comprising a first pivot arm having a first pulley journalled thereto, a second pivot arm having a second pulley journalled thereto, a frustoconical base having a base vertex, a frustoconical pivot shaft having a pivot shaft vertex, the base vertex is oriented opposite the pivot shaft vertex on a common axis, the first pivot arm disposed for pivoting movement about the frustoconical pivot shaft, the second pivot arm disposed for pivoting movement about the frustoconical base, a first bushing damping movement of the first pivot arm on the frustoconical pivot shaft, a second bushing damping movement of the second pivot arm on the frustoconical base, and a spring in compression urging engagement of the first pivot arm with the frustoconical pivot shaft and the second pivot arm with the frustoconical base.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: February 13, 2018
    Inventors: Arnaud Martinez, Enrico Wick, Volker Leucht
  • Patent number: 9885401
    Abstract: A chain guide includes a guide base pivotable about a fulcrum shaft. The fulcrum shaft is between a roller bearing located at an end portion of the guide base, which is closer to the fulcrum shaft, and the center of the guide base in the longitudinal direction of the guide base such that the roller bearing is outside of the fulcrum shaft.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: February 6, 2018
    Inventors: Akio Kato, Takahiro Yamashita, Hisataka Hasegawa
  • Patent number: 9879764
    Abstract: A tensioner which adjusts the mean tensioner force to keep the chain tension as low as possible without sacrificing chain control, significantly improving drive efficiency as the chain wears and is subject to low dynamic loads.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: January 30, 2018
    Assignee: BorgWarner Inc.
    Inventors: Kevin B. Todd, Mark E. Patton, Dale N. Smith
  • Patent number: 9879755
    Abstract: A chain made up of bush link plates, bushes fitted into bush fitting holes, and rollers fitted rotatably on an outer circumference of each of the bush. In order to make it possible to replace the roller without removing the bush from the bush link plates, in the chain made up of the bush link plates provided with bush fitting holes, the bushes fitted into the bush fitting holes, and the rollers fitted rotatably on the outer circumference of each of the bushes, the roller is formed from split rollers made by splitting the roller into two or more parts.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: January 30, 2018
    Inventor: Ryoichi Saito
  • Patent number: 9879763
    Abstract: A chain guide includes a curved guide base extending along the direction in which a torque transmitting chain moves. The guide base includes, on its surface opposed to the chain, a rolling guide portion including a plurality of roller element bearings which are rotatable and configured to guide the chain while kept in rolling contact with the chain, and a sliding guide portion in the form of a curved surface. The rolling guide portion reduces a loss in torque transmission, while the sliding guide portion reduces flapping of the chain, thus reducing noise and vibrations of the chain.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: January 30, 2018
    Inventors: Akio Kato, Takahiro Yamashita, Hisataka Hasegawa, Shinji Tsuruta, Hiroyuki Fukuyama, Nobuhiro Mizuno
  • Patent number: 9873481
    Abstract: A multi-sprocket arrangement for a rear wheel hub of a bicycle may have improved gearshift characteristics, reduced vibrations during skewed running, and improved wear characteristics. The multi-sprocket arrangement includes a multiplicity of sprockets of different diameters, wherein at least one of the sprockets has a multiplicity of teeth. Also on the circumference of said sprocket, as viewed in a circumferential direction, at least one sequence of teeth is provided in which, with regard to their material thickness, a thin tooth is followed by a thick tooth which is followed in turn by another thin tooth. The sprocket has an impression and/or a passage recess which form at least one gearshift path and permit a shift between two adjacent sprockets.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: January 23, 2018
    Assignee: SRAM Deutschland GmbH
    Inventor: Henrik Braedt
  • Patent number: 9874267
    Abstract: A tensioner (10) for an endless loop power transmission member can induce a piston (12) operably engageable with an endless loop power transmission member, and a cylinder (14) guiding include a piston (12) for sliding coaxial movement in a direction of the endless loop power transmission member. The piston (12) and cylinder (14) defining an oil reservoir or pressure chamber (26) for receiving hydraulic fluid. A bearing (28) has bearing balls (30) located in a counter bore (32) coaxial with cylinder bore (34). The counter bore (32) has a steep taper (36) on which the bearing balls (30) ride. As the cylinder (14) moves in an extending direction, the bearing balls (30) move out of the counter bore (32) allowing free extending movement of the cylinder (14). As the cylinder (14) moves in a retracting direction, the bearing balls (30) are driven down into the steep taper (36) preventing the cylinder (14) from retracting.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: January 23, 2018
    Assignee: BORGWARNER INC.
    Inventors: Mark M. Wigsten, Dale N. Smith
  • Patent number: 9869378
    Abstract: A load-applying device is provided that includes a spiral spring that is formed from a thin strip that is wound multiple times in a spiral shape; a movable body; and a fixing member. The spiral spring is disposed between the movable body and the fixing member, in a manner capable of performing a diameter reduction operation and a diameter expansion operation, and an outer-circumference part of the spiral spring contacting the movable body and the fixing member directly, or indirectly.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: January 16, 2018
    Assignee: NHK SPRING CO., LTD.
    Inventors: Takao Kobayashi, Takahiro Ito, Yoshiyuki Takahashi, Kazuhito Hiraoka
  • Patent number: 9869379
    Abstract: In an aspect, a tensioner is provided for maintaining tension in an endless drive member in a belt-in-oil drive system. The tensioner includes a base that is mountable to a stationary structure and that has a circumferential wall that defines an arm pivot axis, an arm having a radially inner arm surface, and an endless drive member engagement surface that is engageable with an endless drive member, a bushing positioned between the radially inner arm surface and the circumferential wall of the base cup, and a tensioning spring. The arm is supported on the base cup via the bushing. The tensioning spring is positioned to bias the arm in a first direction about the arm pivot axis.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: January 16, 2018
    Inventor: Marek Frankowski
  • Patent number: 9869382
    Abstract: A bicycle chainring, including a generally annular body formed of at least an inner material, the inner material including a first side and a second side opposite the first side and a plurality of teeth disposed about a periphery of the body. At least some of the plurality of teeth are formed of both the inner material and an outer material, the outer material disposed on one or both of the first and second sides, the outer material having a greater wear resistance relative to the inner material and a thickness greater than 0.1 millimeter.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: January 16, 2018
    Assignee: SRAM, LLC
    Inventors: Kevin Wesling, Anthony Medaglia
  • Patent number: 9863310
    Abstract: Systems and methods are provided for determining the length of a traction mechanism that is part of a traction drive of an engine. In one example, a method includes determining a position of a movable tensioning device relative to a traction mechanism drive using measuring technology, determining an actual length LAS? of a traction mechanism computationally using the position of the tensioning device, determining a length change ?L with respect to a predefinable setpoint length LAS computationally using the computationally determined actual length LAS?, and adjusting one or more operating parameters based on the length change.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: January 9, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Denis Pendovski, David van Bebber, Hans Guenter Quix
  • Patent number: 9863510
    Abstract: A hydraulic auto-tensioner includes a cylinder with a sleeve fitting hole, and a sleeve press-fitted therein. A rod has its bottom end slidable in the sleeve. A return spring is mounted between a spring seat at an upper portion of the rod and a bottom surface of the cylinder. An oil passage, with a check valve, is formed between the fitting surfaces of the sleeve fitting hole and the sleeve and communicates the pressure chamber with the reservoir chamber. The rod has a valve fitting hole open to its bottom surface, and an oil passage communicating the valve fitting hole with the reservoir chamber. A relief valve, mounted in the valve fitting hole, includes a valve seat with a valve hole having an orifice for restricting the flow rate of oil released from the pressure chamber into the reservoir chamber through the oil passage when the relief valve opens.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: January 9, 2018
    Assignee: NTN Corporation
    Inventors: Aisaku Satomura, Tadahisa Tanaka
  • Patent number: 9863523
    Abstract: A continuously variable transmission housing is provided that includes an inner cover and an outer cover connectable to the inner cover to define an interior chamber. The interior chamber is structured and operable to enclose a continuously variable transmission primary pulley, secondary pulley and pulley belt. The housing includes a duct panel mounted to the inner cover such that when the primary pulley is disposed within the interior chamber, the duct panel is disposed between an outer face of the primary pulley and the inner cover. Moreover, an air duct is defined between the inner cover and the duct panel, wherein the air duct is fluidly connected to ambient air from an ambient environment external to the housing. The duct panel includes a center opening that structured and operable to allow the ambient air to be drawn through the air duct and into the housing interior chamber.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: January 9, 2018
    Assignee: Textron Innovations Inc.
    Inventors: John Stocks, Scott Allen Wohlgamuth, Landon Ball, Timothy Kolody, Christopher Furman
  • Patent number: 9863520
    Abstract: A fan drive hub assembly having a modular input shaft assembly that includes a rear bearing housing, a front bearing housing, and a coupler that is fixedly coupled to the rear and front bearing housings.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: January 9, 2018
    Assignee: BorgWarner Inc.
    Inventors: Vincent M. Tembreull, Jason R. Roderick, Robert A. Papenfuss
  • Patent number: 9856955
    Abstract: A generator belt drive of an internal combustion engine, having a generator arrangement with a generator (1) having a belt pulley (6) and a belt tensioner (2). The generator arrangement includes the following: —a first tensioning lever (8) with a first tensioning roller (4), —a second tensioning lever (9) with a second tensioning roller, these tensioning rollers being arranged in front of and behind the belt pulley in a circulating direction of the belt (3) and applying a pretensioning force onto the belt, —a spring (7) arranged between the tensioning levers and which moves the tensioning rollers towards each other, thereby generating the pretensioning force, —and a locking arrangement (11), by which the tensioning levers can be locked relative to each other in a position in which the tensioning rollers are moved away from each other, thereby reducing or canceling the pretensioning force.
    Type: Grant
    Filed: August 11, 2016
    Date of Patent: January 2, 2018
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Benjamin Wolf, Wolfgang Lorz
  • Patent number: 9845861
    Abstract: A rotatable assembly, such as a crankshaft or camshaft assembly, includes a first rotatable component and a second rotatable component coupled to the first rotatable component. The first rotatable component includes a first body and defines a plurality of recesses extending into the first body. The second rotatable component includes a second body and defines a plurality of protrusions extending from the second body. The protrusions are disposed inside the respective recesses to allow the second rotatable component to rotate in unison with the first rotatable component.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 19, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Scott A. Hucker, Chris D. Hosler, Ronald B. Beals
  • Patent number: 9845860
    Abstract: Retaining clamps for retaining an over-molded plastic component to a substrate are disclosed herein that include a generally annular band having an inner surface, which defines an inner cavity for receiving a substrate rotatable about a central axis, and an opposing outer surface, which receives an over molded plastic component. The clamps have a plurality of axially extending retaining features formed in the annular band. The retaining features define a trough in the inner surface and a first crest in the outer surface or define a coupling portion forming a second crest. The retaining features are evenly spaced a distance apart along the generally annular band. A pulley body assembly is disclosed having a retaining clamp seated about an outer ring of a bearing for retaining a pulley body over-molded thereto. A method for over-molding a plastic component to a substrate using the retaining clamp is also disclosed herein.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: December 19, 2017
    Assignee: Dayco IP Holdings, LLC
    Inventors: Anthony Eugene Lannutti, James Kevin Lindstrom
  • Patent number: 9840307
    Abstract: A device for mounting a derailleur of a rear gearshift on a bicycle frame is provided. The device includes a pin suitable for being fixed in a corresponding seat of said bicycle frame, an annular seat formed on said pin, a support body of said derailleur, a through hole formed in said support body and crossed by said pin, an abutment element associated with said pin in said annular seat, wherein said abutment element provides a support in the axial direction on said pin. Said abutment element comprises a first and a second component, which are shaped like an annular sector and that can be connected together through respective shaped attachment portions.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 12, 2017
    Assignee: Campagnolo S.r.l.
    Inventor: Stefano Rosati
  • Patent number: 9841087
    Abstract: A belt tensioner for a generator belt drive of an internal combustion engine, is provided having: —an annular housing part which is secured on the generator housing so as to enclose the generator shaft, —an annular tensioning part which is mounted on the housing part in a pivotal manner about the generator shaft, —a single tension roller which is mounted on the tensioning part and pretensions the belt, —and a spring which is clamped between the housing part and the tensioning part and which applies a torque to the tensioning part in order to generate the belt tension. The spring should be a bow spring which extends parallel to the belt plane (?) and circumferentially and completely outside of a pivoting range of the tension roller.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: December 12, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Bernd Hartmann, Zoran Maricic, Alexander Weidner