Patents by Inventor RichStone Limited

RichStone Limited 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).

  • Rotary Cam Ring Fluid Machine
    Publication number: 20130183171
    Abstract: A cam ring fluid machine, a rotary cam ring fluid machine has a casing, a flange in the casing, a stator in the casing, a rotor cam ring in the stator, a fixed axis in the rotor cam ring, and a vane in the vane groove of the fixed axis. A fluid chamber is formed with the inner circumferential surface of the rotor cam ring, the outer circumferential surface of the fixed axis, the vane, and the flange. When the rotor cam ring rotates, the volume of the fluid chamber increases or decreases.
    Type: Application
    Filed: November 24, 2012
    Publication date: July 18, 2013
    Applicants: RICHSTONE LIMITED, RICHSTONE LIMITED
    Inventors: RichStone Limited, RichStone Limited