Patents by Inventor Jorg Thielecke

Jorg Thielecke 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).

  • Internal shoe drum brake with two liners on each lining support and means for reduction in wearing-in period
    Patent number: 4782924
    Abstract: At least one brake shoe (14) comprising a lining support member (16) and two lining sections (20) fastened one behind the other in circumferential direction to the support member (16) is arranged in a brake drum (10) which has a circular cylindrical internal braking surface (12). Each lining section (20) has an at least approximately circular cylindrical friction surface (22) the radius of curvature (R22) of which is smaller than the radius of curvature (R12) of the braking surface (12) and the center of curvature (M22) of which is located such that only a center portion of the friction surface (22) engages the braking surface (12) upon actuation of the brake.
    Type: Grant
    Filed: May 26, 1987
    Date of Patent: November 8, 1988
    Assignee: Lucas Industries public limited company
    Inventors: Wilfried T. Giering, Sigmar H. Micke, Franz-Helmut Holl, Jorg Thielecke
  • Tandem control valve
    Patent number: 3973578
    Abstract: A pressure control valve for a braking system having two separate pressure circuits comprises two valves for connection in the respective circuits. Each valve has a valve closure member, the members being axially aligned and coupled together for movement in unison for simultaneous opening and closing of the valves.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: August 10, 1976
    Assignee: Girling Limited
    Inventors: Helmut Heibel, Jorg Thielecke