Patents by Inventor Eric D Bretey

Eric D Bretey 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).

  • METHOD FOR SENSING APPLIED FORCE FOR CONTROLLING THE MATERIAL REMOVAL RATE FOR A FLAT FINE MACHINED SURFACE
    Publication number: 20090126512
    Abstract: A method of adjusting the applied force for controlling the material removal rate on a work piece. A machining device having a load providing device, a force transducer and a force applying device wherein the force-applying device provides a load to the work piece to remove material. The force applied to the work piece by the load providing device and the position of the load providing device are sensed and transmitted to a master controller that adjusts the force applied to the work piece based upon these readings.
    Type: Application
    Filed: November 20, 2007
    Publication date: May 21, 2009
    Applicant: SAUER-DANFOSS INC.
    Inventors: Michael A. Betz, Eric D. Bretey
  • Low input torque rotor for vane pump
    Patent number: 7467935
    Abstract: A vane-type fluid displacement unit having a housing, a drive shaft extending through the housing, a rotor secured to the drive shaft and disposed within the housing, the rotor having at least one non-smooth top or bottom surface, and at least one vane secured to the rotor.
    Type: Grant
    Filed: September 17, 2004
    Date of Patent: December 23, 2008
    Assignee: Sauer-Danfoss, Inc.
    Inventors: Michael A Betz, Eric D Bretey, Robert J Klinkel, Kevin J Landhuis