Patents by Inventor Klaus Reichei

Klaus Reichei 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).

  • Sealing device for a radial swivel motor
    Patent number: 7441493
    Abstract: Swivel motors have a large number of tightness problems on the inside, in particular in a broad operating temperature range. Therefore, to improve the tightness over a temperature range of ?40° C. to +130° C., a sealing device (20) is provided with an inner soft sealing element (20) and a plurality of outer rigid sealing elements (21, 22, 23, 24). The soft sealing element (20) and the rigid sealing elements (21, 22, 23, 24) are undetachably connected to one another. The circumferential sealing surfaces of the rigid sealing elements (21, 22, 23, 24), in the unloaded state, close flush with the sealing surface of the soft sealing element (20). The rigid sealing elements (21, 22, 23, 24) are spaced apart from one another by at least one radial compensating groove (25) and at least one axis-parallel compensating groove (26).
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: October 28, 2008
    Assignee: ZF Friedrichshafen AG
    Inventors: Stefan Beetz, Klaus Reichei, Torsten Baustian
  • Sealing device for a radial swivel motor
    Publication number: 20070170796
    Abstract: Swivel motors have a large number of tightness problems on the inside, in particular in a broad operating temperature range. Therefore, to improve the tightness over a temperature range of ?40° C. to +130° C., a sealing device (20) is provided with an inner soft sealing element (20) and a plurality of outer rigid sealing elements (21, 22, 23, 24). The soft sealing element (20) and the rigid sealing elements (21, 22, 23, 24) are undetachably connected to one another. The circumferential sealing surfaces of the rigid sealing elements (21, 22, 23, 24), in the unloaded state, close flush with the sealing surface of the soft sealing element (20). The rigid sealing elements (21, 22, 23, 24) are spaced apart from one another by at least one radial compensating groove (25) and at least one axis-parallel compensating groove (26).
    Type: Application
    Filed: March 1, 2005
    Publication date: July 26, 2007
    Inventors: Stefan Beetz, Klaus Reichei, Torsten Baustian