Patents by Inventor Syuichi Aoki

Syuichi Aoki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7194925
    Abstract: A shock absorbing device 8 includes a transmitting section 81, first friction plates 82, second friction plates 83, and a dish spring 84. The transmitting section 81 is engaged with the inner cylindrical portion of the second friction plates 83 and also engaged with an outer cylindrical surface of an internal gear 42. The first friction plates 82 are stationarily fixed to an end portion 102a of a central housing. The second friction plates 83 are brought into frictional engagement with the first friction plates 82 under a resilient force applied from the dish spring 84. The first friction plates 82 and the second friction plates 83 are alternately laminated.
    Type: Grant
    Filed: July 22, 2003
    Date of Patent: March 27, 2007
    Assignees: Denso Corporation, Sawafuji Electric Co., Ltd.
    Inventors: Sadayoshi Kajino, Kei Shibayama, Syuichi Aoki
  • Patent number: 7040184
    Abstract: A starter capable of preventing the slippage of a clutch at engine starting and of transmitting a higher torque. In the starter, a power transmission device is integrated with a carrier for supporting a planetary gear of a reduction assembly and an output shaft is helical-spline-coupled to the power transmission device. A pinion shaft is fitted over an outer circumference of the output shaft through a first bearing and second bearing and a one-way clutch is provided for transmitting the rotation of the output signal to the pinion shaft. The first bearing is made such that its tip portion protrudes toward the pinion side with respect to a tip portion of a housing bearing in an engaging state of the pinion with a ring gear and, hence, at cranking, the first and second bearings receive a load from the ring gear to the pinion.
    Type: Grant
    Filed: July 28, 2003
    Date of Patent: May 9, 2006
    Assignees: Denso Corporation, Sawafuji Electric Co., Ltd.
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Syuichi Aoki
  • Patent number: 6914504
    Abstract: An electromagnetic switch has at least one pair of projection and groove engageable with each other and extending in an axial direction on an outer cylindrical surface of a solenoid casing and on an inner cylindrical surface of a switch casing. Engagement of the projection and the groove guides the solenoid casing shifting in the axial direction when inserted inside the switch casing.
    Type: Grant
    Filed: August 4, 2003
    Date of Patent: July 5, 2005
    Assignees: Denso Corporation, Sawafuji Electric Co., Ltd.
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Syuichi Aoki, Hiroyasu Omiyama
  • Patent number: 6776273
    Abstract: A starter having a one-way clutch connects with an output shaft via helical spline. A braking member is provided in a bearing portion of a center case adjacent to an end of the center case away from the motor. The clutch moves toward the rear via a lever when the starter is stopped, and a flange portion, provided at a rear end of a barrel portion, presses against the braking member. As a result, the rotation of the clutch stops within a short time period.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: August 17, 2004
    Assignees: Denso Corporation, Sawafuji Electric Co., Ltd.
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Hiroyasu Omiyama, Syuichi Aoki
  • Publication number: 20040123686
    Abstract: A shock absorbing device 8 includes a transmitting section 81, first friction plates 82, second friction plates 83, and a dish spring 84. The transmitting section 81 is engaged with the inner cylindrical portion of the second friction plates 83 and also engaged with an outer cylindrical surface of an internal gear 42. The first friction plates 82 are stationarily fixed to an end portion 102a of a central housing. The second friction plates 83 are brought into frictional engagement with the first friction plates 82 under a resilient force applied from the dish spring 84. The first friction plates 82 and the second friction plates 83 are alternately laminated.
    Type: Application
    Filed: July 22, 2003
    Publication date: July 1, 2004
    Applicants: DENSO CORPORATION, SAWAFUJI ELECTRIC CO., LTD.
    Inventors: Sadayoshi Kajino, Kei Shibayama, Syuichi Aoki
  • Patent number: 6737950
    Abstract: According to the present invention, in a winding structure of a starter, in which a shunt coil 1 is wound around a bobbin 2 shaped like U in a cross section, the shunt coil 1 wound around the bobbin 2 is taped and fixed at a plurality of places together with the bobbin 2, and the shunt coil 1 is placed into a yoke of a starter in this state, the bobbin 2 has a notch 6 which is formed with a depth larger than a winding height of the shunt coil 1 on both of side winding frames of the bobbin 2 at a taping position.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: May 18, 2004
    Assignees: Sawafuji Electric Co., Ltd, Denso Corporation
    Inventors: Kazunari Onaya, Syuuji Miyazawa, Syuichi Aoki, Yasuo Osawa, Youichi Hasegawa
  • Publication number: 20040032309
    Abstract: An electromagnetic switch has at least one pair of projection and groove engageable with each other and extending in an axial direction on an outer cylindrical surface of a solenoid casing and on an inner cylindrical surface of a switch casing. Engagement of the projection and the groove guides the solenoid casing shifting in the axial direction when inserted inside the switch casing.
    Type: Application
    Filed: August 4, 2003
    Publication date: February 19, 2004
    Applicants: DENSO CORPORATION, SAWAFUJI ELECTRIC CO., LTD.
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Syuichi Aoki, Hiroyasu Omiyama
  • Publication number: 20040026926
    Abstract: According to the present invention is provided a starter capable of preventing the slippage of a clutch at engine starting and of transmitting a higher torque. In the starter, a power transmission device is integrated with a carrier for supporting a planetary gear of a reduction assembly and an output shaft is helical-spline-coupled to the power transmission device. A pinion shaft is fitted over an outer circumference of the output shaft through a first bearing and second bearing and a one-way clutch is provided for transmitting the rotation of the output signal to the pinion shaft. The first bearing is made such that its tip portion protrudes toward the pinion side with respect to a tip portion of a housing bearing in an engaging state of the pinion with a ring gear and, hence, at cranking, the first and second bearings receive a load from the ring gear to the pinion.
    Type: Application
    Filed: July 28, 2003
    Publication date: February 12, 2004
    Applicants: DENSO CORPORATION, SAWAFUJI ELECTRIC CO., LTD.
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Syuichi Aoki
  • Publication number: 20030136624
    Abstract: A starter having a one-way clutch connects with an output shaft via helical spline. A braking member is provided in a bearing portion of a center case adjacent to an end of the center case away from the motor. The clutch moves toward the rear via a lever when the starter is stopped, and a flange portion, provided at a rear end of a barrel portion, presses against the braking member. As a result, the rotation of the clutch stops within a short time period.
    Type: Application
    Filed: December 27, 2002
    Publication date: July 24, 2003
    Applicant: Denso Corporation
    Inventors: Sadayoshi Kajino, Youichi Hasegawa, Hiroyasu Omiyama, Syuichi Aoki
  • Publication number: 20030001708
    Abstract: According to the present invention, in a winding structure of a starter, in which a shunt coil 1 is wound around a bobbin 2 shaped like U in a cross section, the shunt coil 1 wound around the bobbin 2 is taped and fixed at a plurality of places together with the bobbin 2, and the shunt coil 1 is placed into a yoke of a starter in this state, the bobbin 2 has a notch 6 which is formed with a depth larger than a winding height of the shunt coil 1 on both of side winding frames of the bobbin 2 at a taping position.
    Type: Application
    Filed: June 19, 2002
    Publication date: January 2, 2003
    Inventors: Kazunari Onaya, Syuuji Miyazawa, Syuichi Aoki, Yasuo Osawa, Youichi Hasegawa