Patents by Inventor Ruthart Braun

Ruthart Braun 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).

  • Central release device for a hydraulic clutch actuation system
    Patent number: 6938536
    Abstract: A central release device (10) is disclosed having a cylinder housing (12), with a cylindrical wall (14), and a guide sleeve (16), which is arranged concentrically therewith and on which an annular piston (18), which can be operatively connected to a clutch and can be hydraulically actuated by way of a pressure chamber (20) defined by the cylindrical wall and the guide sleeve, is displaceably guided. At its end the guide sleeve has an annular flange (22) with an end face (24) facing away from the annular piston and a radially outer circumferential surface (26), by way of which flange the guide sleeve is fixed to an end face (28) of the cylinder housing.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: September 6, 2005
    Assignee: FTE automotive GmbH & Co., KG
    Inventors: Ruthart Braun, Stefan Gebert, Elmar Kuhn, Jan Gnyp, Johannes Burkard
  • Central release device for a hydraulic clutch actuation system
    Publication number: 20040206598
    Abstract: A central release device (10) is disclosed having a cylinder housing (12), with a cylindrical wall (14), and a guide sleeve (16), which is arranged concentrically therewith and on which an annular piston (18), which can be operatively connected to a clutch and can be hydraulically actuated by way of a pressure chamber (20) defined by the cylindrical wall and the guide sleeve, is displaceably guided. At its end the guide sleeve has an annular flange (22) with an end face (24) facing away from the annular piston and a radially outer circumferential surface (26), by way of which flange the guide sleeve is fixed to an end face (28) of the cylinder housing.
    Type: Application
    Filed: April 2, 2004
    Publication date: October 21, 2004
    Inventors: Ruthart Braun, Stefan Gebert, Elmar Kuhn, Jan Gnyp, Johannes Burkard