with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis

Patents Grantslast 30 patents

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    Four-stroke rotary- piston engine with adjustable compression ratio...

    • Patent number 11,261,733
    • Issue date Mar 1, 2022
    • Bülent Pulat Evirgen
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hybrid drive system for a motor vehicle, and method of operating a...

    • Patent number 10,035,413
    • Issue date Jul 31, 2018
    • Del Wolverton
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Systems and methods for purge and PCV control

    • Patent number 9,528,406
    • Issue date Dec 27, 2016
    • Ford Global Technologies, LLC
    • Chris Paul Glugla
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Cam engine

    • Patent number 9,243,617
    • Issue date Jan 26, 2016
    • Boyan Bahnev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    Counterpoise engine

    • Patent number 9,074,527
    • Issue date Jul 7, 2015
    • Del Wolverton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Internal combustion engine and compressor or pump with rotor and pi...

    • Patent number 9,010,286
    • Issue date Apr 21, 2015
    • Robert J. Novak
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pressure engine, in particular, an internal combustion engine, with...

    • Patent number 8,327,820
    • Issue date Dec 11, 2012
    • Alois Tradler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    Rotary radial internal combustion piston engine

    • Patent number 7,421,986
    • Issue date Sep 9, 2008
    • Leonid Yakhnis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Rotary engine

    • Patent number 6,988,441
    • Issue date Jan 24, 2006
    • Harcourt Engine Pty Limited
    • Dougal Lamont Harcourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reciprocating piston engine comprising a rotative cylinder

    • Patent number 6,928,965
    • Issue date Aug 16, 2005
    • Erich Teufl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine

    • Patent number 6,705,202
    • Issue date Mar 16, 2004
    • Harcourt Engine Pty Limited
    • Dougal Lamont Harcourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Piston driven rotary engine

    • Patent number 6,526,925
    • Issue date Mar 4, 2003
    • Willie A. Green
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotating cylinder internal-combustion engine

    • Patent number 6,062,175
    • Issue date May 16, 2000
    • Shih-Pin Huang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Combustion engine construction

    • Patent number 5,967,102
    • Issue date Oct 19, 1999
    • Shih-Pin Huang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Multi-cylinder piston engine and method of operation thereof

    • Patent number 4,586,426
    • Issue date May 6, 1986
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion turbine engine

    • Patent number 4,555,903
    • Issue date Dec 3, 1985
    • Howell; Ronald P.
    • William C. Heaton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for extracting heat and mechanical energy from...

    • Patent number 4,520,632
    • Issue date Jun 4, 1985
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Centrifugal piston expander

    • Patent number 4,513,575
    • Issue date Apr 30, 1985
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Free piston internal combustion engine

    • Patent number 4,449,488
    • Issue date May 22, 1984
    • Howell; Rondal P.
    • William C. Heaton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for extracting heat and mechanical energy from...

    • Patent number 4,449,379
    • Issue date May 22, 1984
    • Centrifugal Piston Expander Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for deriving mechanical energy from a heat source

    • Patent number 4,433,551
    • Issue date Feb 28, 1984
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air cooling system

    • Patent number 4,420,944
    • Issue date Dec 20, 1983
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotating cylinder internal combustion engine

    • Patent number 4,421,073
    • Issue date Dec 20, 1983
    • Manuel Arregui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method and apparatus for extracting energy from a pressured gas

    • Patent number 4,420,945
    • Issue date Dec 20, 1983
    • Centrifugal Piston Expander, Inc.
    • Edwin W. Dibrell
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Internal combustion engine

    • Patent number 4,344,288
    • Issue date Aug 17, 1982
    • William C. Heaton
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Machine with reciprocating pistons and rotating piston carrier

    • Patent number 4,166,438
    • Issue date Sep 4, 1979
    • Eldon W. Gottschalk
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Expansible chamber apparatus

    • Patent number 4,077,365
    • Issue date Mar 7, 1978
    • James B. Schlueter
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3739755

    • Patent number 3,739,755
    • Issue date Jun 19, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3730148

    • Patent number 3,730,148
    • Issue date May 1, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2417894

    • Patent number 2,417,894
    • Issue date Mar 25, 1947
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY-PISTON CYLINDER ENGINE

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    • Publication date Oct 25, 2018
    • Bülent Pulat EVIRGEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Cam Engine

    • Publication number 20140150643
    • Publication date Jun 5, 2014
    • Boyan Bahnev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal Combustion Engine and Compressor or Pump With Rotor and Pi...

    • Publication number 20130186084
    • Publication date Jul 25, 2013
    • Robert J. Novak
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COUNTERPOISE ENGINE

    • Publication number 20110162599
    • Publication date Jul 7, 2011
    • Del Wolverton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PRESSURE ENGINE, IN PARTICULAR, AN INTERNAL COMBUSTION ENGINE, WITH...

    • Publication number 20100006059
    • Publication date Jan 14, 2010
    • Alois Tradler
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Piston Machine Comprising Two Piston Mounts Arranged on an Axle

    • Publication number 20080276902
    • Publication date Nov 13, 2008
    • Reinhard Manthry
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary radial internal combustion piston engine

    • Publication number 20070062469
    • Publication date Mar 22, 2007
    • Leonid Yakhnis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    ROTARY ENGINE USING TRADITIONAL PISTONS OF FLEXIBLE MOTION

    • Publication number 20060242940
    • Publication date Nov 2, 2006
    • Shirwan Al Bahdaini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    Rotary fluid motor

    • Publication number 20060090638
    • Publication date May 4, 2006
    • CHANCHAI SANTIYANONT
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Reciprocating piston engine comprising a rotative cylinder

    • Publication number 20040216702
    • Publication date Nov 4, 2004
    • Erich Teufl
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine

    • Publication number 20040163532
    • Publication date Aug 26, 2004
    • Harcourt Engine Pty. Limited.
    • Dougal Lamont Harcourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Engine

    • Publication number 20030051681
    • Publication date Mar 20, 2003
    • Dougal Lamont Harcourt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES