Patents by Inventor Kaname Kidokoro

Kaname Kidokoro 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).

  • Oil pump and method of assembling the oil pump
    Patent number: 7959422
    Abstract: An oil pump including a first housing having a rotation shaft insertion hole, a cam ring, a pump element, a rotation shaft rotatably extending through the rotation shaft insertion hole, a second housing disposed on the cam ring, wherein the cam ring is placed in a position relative to the rotation shaft insertion hole of the first housing by using a jig, and the cam ring includes a clamped portion that is clamped by a cam ring holding device, while the first housing and the second housing are fixed to each other after placing the cam ring in the position relative to the rotation shaft insertion hole by using the jig. Alternatively, the oil pump including a fixing means for fixing the cam ring to the pump body instead of the clamped portion.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: June 14, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Yasuhito Nakakuki, Kaname Kidokoro, Tetsuo Abe, Toshimitsu Sakaki, Mitsuo Sasaki, Masakazu Kurata
  • Oil Pump and Method of Assembling the Oil Pump
    Publication number: 20080145259
    Abstract: An oil pump including a first housing having a rotation shaft insertion hole, a cam ring, a pump element, a rotation shaft rotatably extending through the rotation shaft insertion hole, a second housing disposed on the cam ring, wherein the cam ring is placed in a position relative to the rotation shaft insertion hole of the first housing by using a jig, and the cam ring includes a clamped portion that is clamped by a cam ring holding device, while the first housing and the second housing are fixed to each other after placing the cam ring in the position relative to the rotation shaft insertion hole by using the jig. Alternatively, the oil pump including a fixing means for fixing the cam ring to the pump body instead of the clamped portion.
    Type: Application
    Filed: December 12, 2007
    Publication date: June 19, 2008
    Applicant: Hitachi, Ltd.
    Inventors: Yasuhito NAKAKUKI, Kaname Kidokoro, Tetsuo Abe, Toshimitsu Sakaki, Mitsuo Sasaki, Masakazu Kurata