Patents by Inventor Hideaki Syokita

Hideaki Syokita 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).

  • Variable displacement axial piston device
    Patent number: 9709041
    Abstract: An outer circumferential surface of a trunnion shaft includes a sliding contact region that has a circular arc shape as viewed along a slanting axis line and is substantially brought into contact with an inner circumferential surface of the bearing portion in a rotatably sliding manner, and at least one suction groove that forms a pocket portion between the suction groove and the inner surface of the bearing portion. The pocket portion is opened to an inner space of housing on at least one side in an axis line direction of the trunnion shaft.
    Type: Grant
    Filed: November 20, 2013
    Date of Patent: July 18, 2017
    Assignee: Kanzaki Kokyukoki Mfg. Co., Ltd.
    Inventors: Toshifumi Yasuda, Yasuhisa Mochizuki, Hideaki Syokita, Hidemi Harada, Masaki Watanabe, Koji Sakata
  • Variable Displacement Axial Piston Device
    Publication number: 20140140863
    Abstract: An outer circumferential surface of a trunnion shaft includes a sliding contact region that has a circular arc shape as viewed along a slanting axis line and is substantially brought into contact with an inner circumferential surface of the bearing portion in a rotatably sliding manner, and at least one suction groove that forms a pocket portion between the suction groove and the inner surface of the bearing portion. The pocket portion is opened to an inner space of housing on at least one side in an axis line direction of the trunnion shaft.
    Type: Application
    Filed: November 20, 2013
    Publication date: May 22, 2014
    Applicant: KANZAKI KOKYUKOKI MFG. CO., LTD.
    Inventors: Toshifumi YASUDA, Yasuhisa Mochizuki, Hideaki Syokita, Hidemi Harada, Masaki Watanabe, Koji Sakata