Patents by Inventor M. J. Baker

M. J. Baker 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).

  • Patent number: 4528818
    Abstract: In Stirling Cycle or similar apparatus having a compressor (15, 15a), a cold finger (1) and a displacer (4) within the cold finger, sequencing between the compressor and the displacer is effected by a piston (7) effecting displacement of the displacer in response to pressure variations in the compressor (15, 15a) and a combination of piston valves (9, 10) and one-way valves (12, 14) preventing flow between the compressor (15a) and the cold finger (1) until desired displacements of the displacer (4) have been effected.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: July 16, 1985
    Assignee: British Aerospace Public Limited Company
    Inventor: M. J. Baker