Patents by Inventor Nico Sigel

Nico Sigel 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).

  • Patent number: 7073650
    Abstract: A plate (1) for a multiple-plate clutch has at least one friction surface (4) for transmitting a torque, in particular for a wet-running switchable multiple disk clutch. The plate (1) has at least one friction surface (4) which has grooves (7.1, 7.2, 10.1, 10.2) with an inside bordering edge (6) and an outside bordering edge (5), and at least one groove (7.1, 7.2, 10.1, 10.2) that runs from the inside bordering edge (6) to the outside bordering edge (5). The at least one groove (7.1, 7.2, 10.1, 10.2) has at least one bending point (8.1, 8.2, 9.1, 9.2, 11.1, 11.2, 12.1, 12.2) at which the at least one groove (7.1, 7.2, 10.1, 10.2) is bent at an angle (?1, ?2, ?3, ?4).
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: July 11, 2006
    Assignee: BorgWarner Inc.
    Inventors: Emilio Fabricius, Erik Seeber, Dieter Zimprich, Nico Sigel
  • Publication number: 20030230463
    Abstract: A plate (1) for a multiple-plate clutch has at least one friction surface (4) for transmitting a torque, in particular for a wet-running switchable multiple disk clutch. The plate (1) has at least one friction surface (4) which has grooves (7.1, 7.2, 10.1, 10.2) with an inside bordering edge (6) and an outside bordering edge (5), and at least one groove (7.1, 7.2, 10.1, 10.2) that runs from the inside bordering edge (6) to the outside bordering edge (5). The at least one groove (7.1, 7.2, 10.1, 10.2) has at least one bending point (8.1, 8.2, 9.1, 9.2, 11.1, 11.2, 12.1, 12.2) at which the at least one groove (7.1, 7.2, 10.1, 10.2) is bent at an angle (&agr;1, &agr;2, &agr;3, &agr;4).
    Type: Application
    Filed: May 14, 2003
    Publication date: December 18, 2003
    Inventors: Emilio Fabricius, Erik Seeber, Dieter Zimprich, Nico Sigel