Patents Assigned to Exedy Corporation
  • Vehicular fluid power transmitting device
    Patent number: 9435389
    Abstract: A vehicular fluid power transmitting device includes a pump impeller, a turbine runner, a damper device, and a ring-shaped annular set member. The pump shell has a rear shell and a front shell that is connected to the rear shell. Also, the ring-shaped annular set member connects the damper output member to the front shell and is fixed to the front shell. An intermediate position between a position of an outer radius of the front shell and a position of a radius of the cylindrical shaft is included in a width (W) of the annular set member in a radial direction of the annular set member.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: September 6, 2016
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD., EXEDY CORPORATION
    Inventors: Yoichi Nakashima, Toshiya Yamashita, Naoki Itazu, Masaru Ebata, Yasunori Doman, Takashi Hori
  • FLYWHEEL ASSEMBLY
    Publication number: 20160230837
    Abstract: A seat member includes a pressing part to be pressed by at least either of a first rotary member and a second rotary member. The seat member also includes a sliding part. The seat member is disposed to be changeable in posture between a first posture and a second posture, the first posture causing a radially outer part of the pressing part to be contacted to the at least either of the first rotary member and the second rotary member when an absolute value of a rotational angle of the second rotary member with respect to the first rotary member is less than a predetermined value, the second posture causing the sliding part to partially slide against the first rotary member when the absolute value of the rotational angle of the second rotary member with respect to the first rotary member is greater than or equal to the predetermined value.
    Type: Application
    Filed: September 18, 2014
    Publication date: August 11, 2016
    Applicant: EXEDY Corporation
    Inventors: Hiroshi UEHARA, Kazuhiro KOSHI
  • Flywheel assembly
    Patent number: 9400031
    Abstract: A flywheel assembly includes a first elastic member disposed on a side to which an acceleration-side power of an engine is outputted and a second elastic member disposed in series with the first elastic member. The second elastic member exerts a transmission torque having a magnitude less than that of a transmission torque exerted by the first elastic member. An end sheet member includes a first end sheet member and a second end sheet member. The first end sheet member is slidable against a first rotary member. The second end sheet member is slidable against the first rotary member. A first intermediate sheet member included in an intermediate sheet member is disposed between the first elastic member and the second elastic member and is slidable against the first rotary member.
    Type: Grant
    Filed: May 22, 2013
    Date of Patent: July 26, 2016
    Assignee: EXEDY Corporation
    Inventors: Hiroshi Uehara, Kazuhiro Koshi
  • Lock-up device for torque converter
    Patent number: 9394982
    Abstract: A lock-up device having multistage torsional characteristics includes a retaining plate, a driven plate, a plurality of pairs of outer peripheral side torsion springs configured to elastically couple the both plates, a support plate and a plurality of inner peripheral side torsion springs. The support plate is rotatable relative to the retaining plate and the driven plate, and causes the outer peripheral side coil springs in each pair to act in a series-like manner. Each inner peripheral side torsion spring has a length shorter than that of each outer peripheral side torsion spring. Additionally, the support plate is configured to be restricted from rotating relative to the driven plate when stopper parts of the support plate contact intermediate stopper parts of the driven plate.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: July 19, 2016
    Assignee: EXEDY Corporation
    Inventors: Ken Mototsune, Naoki Tomiyama
  • Dynamic damper device and lock-up device for fluid type power transmission device
    Patent number: 9382989
    Abstract: A dynamic damper disposed between a piston of a lock-up device and a turbine hub of a fluid type power transmission device includes a pair of plates into which a torque is inputted and that is allowed to be coupled to the turbine hub, a hub flange, an inertia member fixed to the hub flange, a torsion spring, and a hysteresis torque generating mechanism. The hub flange is disposed between the pair of plates while being rotatable relative to the pair of plates. The torsion spring elastically couples the pair of plates and the hub flange. The hysteresis torque generating mechanism is disposed on an inner peripheral side of the hub flange while being disposed between the pair of plates, and is configured to generate a variable hysteresis torque between both plates and the hub flange.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: July 5, 2016
    Assignee: EXEDY Corporation
    Inventor: Naoki Tomiyama
  • Pendulum Damper Device and Lock-Up Device for Torque Converter
    Publication number: 20160186848
    Abstract: A pendulum damper device includes a rotary member rotatable about a rotational axis. The rotary member includes a plurality of guide groove parts circumferentially aligned. The pendulum damper device also includes a plurality of pendulum units supported by the guide groove parts. The pendulum units swing along the guide groove parts so as to attenuate vibration when the rotary member is rotated. In addition, the pendulum damper device includes a plurality of stoppers mounted to the rotary member. Each of the stoppers is contacted to a part of each of the pendulum units so as to restrict a swing range of the each of the pendulum units.
    Type: Application
    Filed: September 1, 2014
    Publication date: June 30, 2016
    Applicant: EXEDY Corporation
    Inventor: Yoshiyuki HAGIHARA
  • Lock-up device for torque converter
    Patent number: 9303747
    Abstract: A lock-up device includes a clutch portion and a damper mechanism. The clutch portion includes a clutch output member, a clutch plate, an oil chamber plate having a disc shape and a piston. The oil chamber plate is disposed between a front cover and an inner peripheral part of a turbine, while being axially immovable with respect to the front cover. The piston is disposed between the front cover and the oil chamber plate while being axially movable. The piston forms a first oil chamber for lock-up actuation together with the oil chamber plate, and forms a second oil chamber for lock-up releasing together with the front cover.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: April 5, 2016
    Assignee: EXEDY Corporation
    Inventors: Ken Mototsune, Kazuhito Maeda
  • Lock-up device for torque converter
    Patent number: 9285025
    Abstract: A lock-up device includes a piston, a clutch part, a first hydraulic chamber, a second hydraulic chamber, a first hydraulic port and a second hydraulic port. The first hydraulic chamber is formed between a front cover and the piston, and the operating oil for actuating the piston is supplied thereto. The second hydraulic chamber is formed independently from the first hydraulic chamber on the same side as the first hydraulic chamber with reference to the piston, and the operating oil for actuating the piston is supplied thereto. The first hydraulic port supplies the operating oil to the first hydraulic chamber. The second hydraulic port is provided independently from the first hydraulic port, and supplies the operating oil to the second hydraulic chamber.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: March 15, 2016
    Assignee: EXEDY Corporation
    Inventor: Yoshihiro Matsuoka
  • Lock-up device for torque converter
    Patent number: 9267555
    Abstract: A lock-up device includes a clutch part and a damper mechanism. The clutch part includes a clutch input member, a clutch output member, a drive plate, a driven plate, a second flange and a piston. The second flange is mounted between a front cover and an inner peripheral part of a turbine to be axially immovable with respect to the front cover, and forms a lock-up oil chamber. The piston is mounted between the front cover and the second flange, forms a lock-up oil chamber together with the second flange therebetween, and is configured to be moved toward the front cover by an operating oil to be supplied to the lock-up oil chamber.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: February 23, 2016
    Assignee: EXEDY Corporation
    Inventors: Hiroyuki Ushio, Takeshi Kawamoto, Ken Mototsune, Shinji Fujimoto
  • Lock-up device for torque converter
    Patent number: 9249871
    Abstract: A lock-up device is a device disposed in a space produced between a front cover and a turbine in a torque converter so as to mechanically connect the front cover and the turbine, and includes a clutch part and a release part. The clutch part is disposed in a power transmission path from the front cover to the turbine, and is configured to be in a clutch-on state of transmitting a power from the front cover to the turbine in a set posture. The release part is configured to be actuated by means of a hydraulic pressure, turn the clutch part of the clutch-on state into a clutch-off state, and block transmission of the power from the front cover to the turbine.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: February 2, 2016
    Assignee: EXEDY Corporation
    Inventors: Tatsuyuki Aoki, Kozo Yamamoto, Ken Mototsune, Yoshihiro Matsuoka
  • SPLIT MOLDED INTEGRATED STATOR
    Publication number: 20160017969
    Abstract: A stator according to the present invention includes a stator hub, a large number of blades radially provided in a projecting manner at regular intervals on an outer periphery of the stator hub, and a stator core formed so as to surround outer ends of the respective blades. The stator is integrated by separately molding a front side stator member and a rear side stator member as two axially split members, respectively, and then joining the front side stator member and the rear side stator member.
    Type: Application
    Filed: July 10, 2015
    Publication date: January 21, 2016
    Applicant: EXEDY CORPORATION
    Inventors: Kouzou Mori, Tatsuyuki Aoki
  • LOCK-UP DEVICE FOR TORQUE CONVERTER
    Publication number: 20160017970
    Abstract: A lock-up device is a device disposed in a space produced between a front cover and a turbine in a torque converter so as to mechanically connect the front cover and the turbine, and includes a clutch part and a release part. The clutch part is disposed in a power transmission path from the front cover to the turbine, and is configured to be in a clutch-on state of transmitting a power from the front cover to the turbine in a set posture. The release part is configured to be actuated by means of a hydraulic pressure, turn the clutch part of the clutch-on state into a clutch-off state, and block transmission of the power from the front cover to the turbine.
    Type: Application
    Filed: April 17, 2012
    Publication date: January 21, 2016
    Applicant: EXEDY Corporation
    Inventors: Tatsuyuki AOKI, Kozo YAMAMOTO, Ken MOTOTSUNE, Yoshihiro MATSUOKA
  • Lock-up device for torque converter
    Patent number: 9222564
    Abstract: A lock-up device basically includes a piston, a first plate, a second plate, a plurality of outer peripheral side torsion springs and a plurality of inner peripheral side torsion springs. The piston is configured to press a friction member that is fixed to a lateral surface of the piston onto a front cover or release pressing of the friction member. Further, the piston has a plurality of engaging portions formed by partially bending the piston towards the turbine. The second plate is coupled to the turbine. The outer peripheral side torsion springs are disposed between the piston and the first plate. The outer peripheral side torsion springs are configured to transmit torque from the piston to the first plate while the circumferential ends thereof are engaged with the engaging portions of the piston.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: December 29, 2015
    Assignee: EXEDY Corporation
    Inventors: Yuki Kawahara, Hiroyuki Ushio, Naoki Tomiyama
  • Lock-up device for torque converter
    Patent number: 9200685
    Abstract: A lock-up device includes a clutch part, an input plate, an output plate, torsion springs and an input plate support member. The clutch part is disposed between a front cover and a turbine, and is configured to allow or block transmission of a torque. The input plate is coupled to a clutch output member of the clutch part. The output plate is fixed to a turbine shell. The torsion springs are disposed between the input plate and the output plate, and absorb and attenuate a torsional vibration. The input plate support member is fixed to a front cover side of a turbine shell and positions the input plate in a radial direction and an axial direction.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: December 1, 2015
    Assignee: EXEDY Corporation
    Inventors: Hiroyuki Ushio, Takeshi Kawamoto, Ken Mototsune, Shinji Fujimoto
  • Clutch device
    Patent number: 9194441
    Abstract: A clutch device includes an input rotor, a first clutch, a second clutch, a first drive mechanism and a second drive mechanism. A first clutch is disposed switchably between a first transmitting state of transmitting power and a first blocking state of blocking power transmission. A second clutch is disposed switchably between a second transmitting state of transmitting power and a second blocking state of blocking power transmission. The first drive mechanism includes a first drive support member and the second drive mechanism includes a second drive support member. A drive clearance is configured to be produced axially between the first drive support member and the second drive support member in the first blocking state and the second blocking state. The drive clearance is less than a sum of the first stroke and the second stroke.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: November 24, 2015
    Assignee: EXEDY Corporation
    Inventors: Satoshi Tanaka, Yusuke Tomita, Yasuhiko Fujita, Tomoyuki Nishikawa
  • Torque converter lock-up device
    Patent number: 9163677
    Abstract: The lock-up device includes a piston, a drive plate, a plurality of radial outer side torsion springs, a float member, a driven plate, a plurality of radial inner side torsion springs and an intermediate member. The float member is rotatable relative to the drive plate and causes the radial outer side torsion springs to act in series. The intermediate member is rotatable relative to the drive plate and the driven plate, and transmits torque from the radial outer side torsion springs to the radial inner side torsion springs.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: October 20, 2015
    Assignee: EXEDY Corporation
    Inventor: Yuki Kawahara
  • Clutch device
    Patent number: 9157490
    Abstract: A clutch device includes an input rotor, a first pressure plate, a second pressure plate, a first clutch disc assembly, a second clutch disc assembly, a first diaphragm spring, a second diaphragm spring, a first adjusting bolt, a first adjusting spring and a first slide bushing. The first adjusting bolt is configured to be axially moved with respect to the first pressure plate when rotated with respect to the first pressure plate. The first adjusting spring is configured to apply rotational force to the first adjusting bolt. The first slide bushing is disposed while being allowed to restrict the first pressure plate from moving towards the first clutch disc assembly.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: October 13, 2015
    Assignee: EXEDY Corporation
    Inventor: Norihisa Uenohara
  • Friction member, clutch plate, clutch device and torque converter
    Patent number: 9151334
    Abstract: A friction member to be used for a lock-up clutch device includes a plurality of friction portions and a plurality of grooves. The plural friction portions are disposed in alignment in a circumferential direction. The plural grooves are formed between or among the plural friction portions and penetrate therebetween or thereamong from the inner peripheral side to the outer peripheral side. Further, each of the plural grooves includes an inner peripheral groove and an outer peripheral groove. The inner peripheral groove is formed in a V-shape, and includes a first groove that is disposed on the inner peripheral side and has an opening, and a second groove that is disposed on the outer peripheral side and continues to the first groove. The outer peripheral groove continues to the outer peripheral end of the second groove of the inner peripheral groove, and radially extends in the outer peripheral direction.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: October 6, 2015
    Assignee: EXEDY CORPORATION
    Inventor: Yoshiyuki Hagihara
  • Clutch cover assembly
    Patent number: 9115767
    Abstract: A clutch cover assembly is equipped with a clutch cover that is fixed to a flywheel, a pressure plate, a diaphragm spring, an wear-amount detecting mechanism, and a wear tracking mechanism. The wear-amount detecting mechanism has a contact member, an opposing member, and a wedge member. The contact member is attached to the pressure plate and is in contact with the flywheel. The opposing member is attached to the contact member and opposes the pressure plate. The wedge member fits between the opposing member and the pressure plate and moves in a circumferential direction in accordance with the wear-amount of a friction member. The wear tracking mechanism moves the pressing member to an initial posture side in accordance with the amount of movement of the wedge member.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: August 25, 2015
    Assignee: EXEDY Corporation
    Inventors: Hirokazu Wakabayashi, Norihiko Tanigawa, Nobuhiko Matsumoto
  • Actuator for twin clutch device
    Patent number: 9109643
    Abstract: An actuator for a twin clutch device includes a single electric motor, first and second drive mechanisms, first and second transmission mechanisms, first and second hydraulic damper mechanisms and a control unit. Each first/second drive mechanism is configured to receive a first/second directional rotation from the electric motor and drive its respective first/second release member in a first operational direction. Each first/second transmission mechanism is configured to transmit only the first/second directional rotation from the electric motor to its respective first/second drive mechanism. Each first/second hydraulic damper mechanism is configured to regulate a moving speed of its respective first/second release member in a second operational direction opposite to the first operational direction. The control unit is configured to control the rotation of the electric motor.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: August 18, 2015
    Assignee: EXEDY Corporation
    Inventor: Yasuhiko Eguchi