Patents by Inventor Gary Worden

Gary Worden 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).

  • Roller vane stage for a fuel pump
    Patent number: 6099261
    Abstract: A roller vane stage (10) for a fuel pump (80) includes an inlet plate (12), an outlet plate (14), and a spacer (16) held therebetween, the spacer having an eccentric inner surface (20) defining a rotor space (18) therein. The roller vane stage (10) further includes a rotor (30) mounted for rotation within the rotor space (18) and the rotor has a plurality of lobes (40), wherein each lobe contains an associated roller (42). Driver slots (44) located in the rotor (30) have a depth less than the thickness (h) of the rotor. Center outlet port (26) in the outlet plate (14) is shaped such that a lobe (40) and its respective roller (42) remains in fluid communication with the center outlet port almost until the lobe begins to communicate with inlet ports (22, 24) in the inlet plate (12).
    Type: Grant
    Filed: June 8, 1998
    Date of Patent: August 8, 2000
    Inventor: Gary Worden