Patents by Inventor Csilla B. Ujvary

Csilla B. Ujvary 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).

  • Dual pump assembly
    Patent number: 7695250
    Abstract: The apparatus of the present invention provides a compact dual-pump assembly for an automotive transmission. The dual-pump assembly preferably includes a housing having a valve assembly mounted thereto. The valve assembly includes a shuttle valve disposed in fluid communication with a pressure regulating valve. An on-axis pump is mounted to the housing in fluid communication with the shuttle valve and the pressure regulating valve. An off-axis pump in fluid communication with the shuttle valve is mounted to the housing in close proximity to the on-axis pump such that the dual-pump assembly is compact.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: April 13, 2010
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Kent Johnson, John C. Schultz, Csilla B. Ujvary
  • Dual transmission filter design
    Patent number: 7294263
    Abstract: A method and apparatus for a compact dual transmission filter design is provided. More precisely, a single filter housing is adapted to accommodate a primary filter and an auxiliary filter in fluid communication with a primary pump and auxiliary pump, respectively. The single filter housing having two filters disposed therein is more compact than a conventional design incorporating a separate filter housing for each filter.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: November 13, 2007
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Kent Johnson, John C. Schultz, Csilla B. Ujvary