Patents by Inventor Peter G. M. Simons

Peter G. M. Simons 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).

  • Piston engine and cryo-cooler provided with such a piston engine
    Patent number: 5038570
    Abstract: A piston engine having a piston (13) journalled in radial direction with respect to the direction of movement. The rotation-free piston (13) is centered by means of two pairs of dynamic groove bearings (41,43), (47,49) with respect to a cylinder axis (39). The piston engine is particularly suitable for use in cryo-coolers.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: August 13, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Johan F. Dijksman, Ronald Den Heyer, Adrianus H. Meesterburrie, Theodorus F. E. M. Overes, Peter G. M. Simons
  • Piston engine with dynamic groove bearing internal to piston and isolated from compression space
    Patent number: 4920288
    Abstract: A piston engine having a reciprocating piston, which is journalled in a radial direction with respect to the direction of translation by means of at least one dynamic groove bearing located within the piston and is separated from a compression space by an annular sealing gap at an outer surface of the piston. The piston engine is suitable for use in compressors and cryo-coolers, more particularly for cooling of computer processors.
    Type: Grant
    Filed: March 28, 1989
    Date of Patent: April 24, 1990
    Assignee: U.S. Philips Corporation
    Inventors: Ronald den Heijer, Godefridus C. Goverde, Peter G. M. Simons