Patents by Inventor Werner Friess

Werner Friess 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: 6331019
    Abstract: A vibration decoupling device for use in exhaust systems of internal combustion engines, comprises a pair of axially spaced conduit connecting members connected with each other by a bellows-type connecting element, and a force transmitting means having at least axial elasticity for transferring forces between said conduit connecting members. The force transmitting means comprises a housing surrounding said bellows-type connecting element, said housing being connected near at least one axial end thereof to an adjacent conduit connecting member by an articulated spring assembly comprising one or more independent spring means. Each spring means comprises at least one leaf spring element and has three force transmitting portions.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: December 18, 2001
    Assignee: Feodor Burgmann Dichtungswerke GmbH & Co.
    Inventors: Werner Friess, Harald Jahnel, Christian Vogt, Dietmar Morgner
  • Patent number: 5842723
    Abstract: A flexible connection arrangement for connecting a pipe of an exhaust system to an engine is provided at one of its axial ends with a fastening flange and at its other axial end with a connection piece for the end of the pipe to be received. The connection piece and fastening flange are connected with one another via a helical spring. A metallic bellows and a damping insert which extends coaxially to the bellows, encloses the bellows radially externally and contacts the turns of the bellows are provided between the connection piece and the fastening flange. The helical spring is connected at both of its axial end regions with the connection piece and fastening flange, respectively. The connection at the fastening flange is effected via two fastening locations, one of which lies at that end of the helical spring, while the second fastening location is arranged so as to be offset to the first fastening location by an angle of 45.degree. to 53.degree..
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: December 1, 1998
    Assignee: BUREX Automotive America, Inc.
    Inventors: Peter Hartling, Hans Deinhard, Werner Friess