Patents by Inventor Peter J. Kerney

Peter J. Kerney 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).

  • Refrigeration system with linear motor trimming of displacer movement
    Patent number: 4475346
    Abstract: A split Stirling refrigerator includes a pneumatically driven displacer, the displacer is driven substantially through an entire stroke by the pressure differential across a piston element extending from the displacer. A small linear trimming motor is provided to assure proper phasing of the displacer movement with the refrigerator pressure wave, to prevent overstroke, and to assure complete stroke of the displacer.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: October 9, 1984
    Assignee: Helix Technology Corporation
    Inventors: Neils O. Young, Robert Henderson, Peter J. Kerney