Ringbom engines, the displacement of the free displacer being obtained by expansion of the heated gas and the weight of the piston

Patents Grantslast 30 patents

  • Information Patent Grant

    Hot-gas engine

    • Patent number 7,028,473
    • Issue date Apr 18, 2006
    • Wilhelm Servis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Premixed charge compression ignition engine with optimal combustion...

    • Patent number 6,276,334
    • Issue date Aug 21, 2001
    • Cummins Engine Company, Inc.
    • Patrick F. Flynn
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fluid displacement apparatus and method

    • Patent number 6,065,289
    • Issue date May 23, 2000
    • Quiet Revolution Motor Company, L.L.C.
    • Darryl H. Phillips
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hot-gas engine electric heater

    • Patent number 5,822,964
    • Issue date Oct 20, 1998
    • Rudy Kerpays
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Apparatus and method for the speed or power control of stirling typ...

    • Patent number 4,856,280
    • Issue date Aug 15, 1989
    • Stirling Technology, Inc.
    • Bruce J. Chagnot
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Stirling engine or heat pump having an improved seal

    • Patent number 4,532,766
    • Issue date Aug 6, 1985
    • Maurice A. White
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2631572

    • Patent number 2,631,572
    • Issue date Mar 17, 1953
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    607630

    • Patent number 607,630
    • Issue date Jul 19, 1898
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Hot-gas engine

    • Publication number 20050072149
    • Publication date Apr 7, 2005
    • Wilhelm Servis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS