Patents by Inventor Philippe Walter

Philippe Walter 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).

  • Friction device for a clutch, in particular for a motor vehicle
    Patent number: 7607525
    Abstract: This device (10) comprises first (24A) and second (24B) friction lining members, substantially annular and coaxial, separated axially and delimited by opposing friction faces. The first friction lining member (24A) comprises a radially external part (32A) comprising a friction lining (26A), a radially internal part (30A) intended to be fixed to the second friction lining member (24B), and elastic connecting tongues (35A) each provided with a first end (36A) for connection to the radially external part (32A) and a second end (38A) for connection to the radially internal part (30A), the first (36A) and second (38A) connecting ends having an angular offset between them that is variable according to the axial separation of the two friction lining members (24A, 24B).
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: October 27, 2009
    Assignee: Valeo Materiaux de Friction - Societe Par Actions Simplifiee
    Inventors: Géraud Vatin, Philippe Walter
  • Friction device for a clutch, in particular for a motor vehicle
    Publication number: 20070131515
    Abstract: This device (10) comprises first (24A) and second (24B) friction lining members, substantially annular and coaxial, separated axially and delimited by opposing friction faces. The first friction lining member (24A) comprises a radially external part (32A) comprising a friction lining (26A), a radially internal part (30A) intended to be fixed to the second friction lining member (24B), and elastic connecting tongues (35A) each provided with a first end (36A) for connection to the radially external part (32A) and a second end (38A) for connection to the radially internal part (30A), the first (36A) and second (38A) connecting ends having an angular offset between them that is variable according to the axial separation of the two friction lining members (24A, 24B).
    Type: Application
    Filed: December 8, 2006
    Publication date: June 14, 2007
    Inventors: Geraud Vatin, Philippe Walter