Patents Assigned to Primore Sales, Inc.
  • Refrigeration system
    Patent number: 4026122
    Abstract: In a refrigeration system comprising a compressor, expansion means, an evaporator and a condenser, the improvement comprising a normally open, spring-loaded valve positioned so that when the compressor is not operating a passage is provided between the compression chamber and the inlet to the compression chamber, and when the compressor is operating the passage is closed.
    Type: Grant
    Filed: October 11, 1974
    Date of Patent: May 31, 1977
    Assignee: Primore Sales, Inc.
    Inventors: Edgar D. Kuhn, Leonard E. Lathrop, Robert J. Sanderson