TREA

characterised by varying the volume of the working chamber

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  • CPC
  • F01C20/18
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES F01C20/00Control of, monitoring of, or safety arrangements for, machines or engines

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F01C20/18characterised by varying the volume of the working chamber
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Shifting head assisted rotary positive displacement device
    • Patent number 11,814,961
    • Issue date Nov 14, 2023
    • Joshua M. Schmitt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary internal combustion engine with unequal volumetric ratios
    • Patent number 11,261,781
    • Issue date Mar 1, 2022
    • Pratt & Whitney Canada Corp.
    • Serge Dussault
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control device to achieve variable compression ratio for triangle r...
    • Patent number 10,995,618
    • Issue date May 4, 2021
    • JIANGSU UNIVERSITY
    • Baowei Fan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary internal combustion engine with unequal volumetric ratios
    • Patent number 10,526,961
    • Issue date Jan 7, 2020
    • Pratt & Whitney Canada Corp.
    • Serge Dussault
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable delivery external gear machine
    • Patent number 10,393,114
    • Issue date Aug 27, 2019
    • Purdue Research Foundation
    • Andrea Vacca
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multiple vane roto-dynamic variable displacement kinetic system
    • Patent number 9,903,204
    • Issue date Feb 27, 2018
    • Das Ajee Kamath
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump with multiple control chambers
    • Patent number 9,534,597
    • Issue date Jan 3, 2017
    • Magna Powertrain Inc.
    • Matthew Williamson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump with multiple control chambers
    • Patent number 9,181,803
    • Issue date Nov 10, 2015
    • Magna Powertrain Inc.
    • Matthew Williamson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary vane engines with movable rotors, and engine systems compris...
    • Patent number 8,156,919
    • Issue date Apr 17, 2012
    • David S. Darrow
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus adapted to perform as compressor, motor, pump, and intern...
    • Patent number 7,793,636
    • Issue date Sep 14, 2010
    • Das Ajee Kamath
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Expander
    • Patent number 7,784,303
    • Issue date Aug 31, 2010
    • Daikin Industries, Ltd.
    • Katsumi Sakitani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus adapted to perform as compressor, motor, pump and interna...
    • Patent number 7,431,007
    • Issue date Oct 7, 2008
    • Das Ajee Kamath
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pneumatic motor improvements and pneumatic tools incorporating same
    • Patent number 7,222,680
    • Issue date May 29, 2007
    • Ingersoll-Rand Company
    • Patrick S. Livingston
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Spherical fluid machine with flow control mechanism
    • Patent number 7,214,045
    • Issue date May 8, 2007
    • Spherical Machines, Inc.
    • William Frank Turner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal gear machine with variable capacity
    • Patent number 7,195,467
    • Issue date Mar 27, 2007
    • VHIT S.p.A.
    • Leonardo Cadeddu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Expansible chamber device having rotating piston braking and rotati...
    • Patent number 6,991,441
    • Issue date Jan 31, 2006
    • Eugene Bahniuk
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary vane motor
    • Patent number 6,886,527
    • Issue date May 3, 2005
    • Rare Industries Inc.
    • Aron Regev
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Spherical fluid machine with control mechanism
    • Patent number 6,241,493
    • Issue date Jun 5, 2001
    • Spherical Machines, Inc.
    • William Frank Turner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Control of a lobed rotor machine
    • Patent number 6,176,695
    • Issue date Jan 23, 2001
    • Rotary Power Couple Engines Limited
    • Anthony O. Dye
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable rotary engine
    • Patent number 5,738,065
    • Issue date Apr 14, 1998
    • Jean Linnel
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sliding vane engine
    • Patent number 5,524,587
    • Issue date Jun 11, 1996
    • Mallen Research Ltd. Partnership
    • Brian D. Mallen
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary pump or engine with spherical body
    • Patent number 5,309,716
    • Issue date May 10, 1994
    • Herman J. Kolbinger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump or engine with spherical body
    • Patent number 5,127,810
    • Issue date Jul 7, 1992
    • Herman J. Kolbinger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement rotary fluid machine
    • Patent number 4,812,111
    • Issue date Mar 14, 1989
    • Cyril J. A. Thomas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Spherical gear pump
    • Patent number 4,540,343
    • Issue date Sep 10, 1985
    • International Hydraulic Systems, Inc.
    • Gerard T. Perkins
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement rotary fluid energy converter
    • Patent number 4,188,176
    • Issue date Feb 12, 1980
    • Earl W. Traut
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3901034
    • Patent number 3,901,034
    • Issue date Aug 26, 1975
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3685928
    • Patent number 3,685,928
    • Issue date Aug 22, 1972
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3584984
    • Patent number 3,584,984
    • Issue date Jun 15, 1971
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3536425
    • Patent number 3,536,425
    • Issue date Oct 27, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents