Patents by Inventor Yohann Rouaud

Yohann Rouaud 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: 7503544
    Abstract: A flap valve for a motor vehicle exhaust system includes a valve housing in which a valve flap is pivotally mounted about a shaft. A bearing housing is disposed in a gas-tight manner outside the valve housing. The shaft is extended through a first orifice in the valve housing and emerges from the bearing housing through a second orifice. Inside the bearing housing, the shaft is surrounded by a bearing ring having a supporting surface pointing towards the valve flap. A spring element, which is mounted in the bearing housing, surrounds the shaft and is supported at the supporting surface and directly or indirectly at the shaft.
    Type: Grant
    Filed: January 8, 2007
    Date of Patent: March 17, 2009
    Assignee: Faurecia Abgastechnic GmbH
    Inventors: Martin Unbehaun, Yohann Rouaud, Matthias Hildebrand
  • Publication number: 20070131889
    Abstract: A flap valve for a motor vehicle exhaust system includes a valve housing in which a valve flap is pivotally mounted about a shaft. A bearing housing is disposed in a gas-tight manner outside the valve housing. The shaft is extended through a first orifice in the valve housing and emerges from the bearing housing through a second orifice. Inside the bearing housing, the shaft is surrounded by a bearing ring having a supporting surface pointing towards the valve flap. A spring element, which is mounted in the bearing housing, surrounds the shaft and is supported at the supporting surface and directly or indirectly at the shaft.
    Type: Application
    Filed: January 8, 2007
    Publication date: June 14, 2007
    Inventors: Martin Unbehaun, Yohann Rouaud, Matthias Hildebrand