TREA

compression chamber profile defined by a mathematical expression or by parameters

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  • CPC
  • F04C2250/301
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2250/00Geometry

Current Industry

F04C2250/301compression chamber profile defined by a mathematical expression or by parameters
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll compressor including end-plate side stepped portions of each...
    • Patent number 12,135,029
    • Issue date Nov 5, 2024
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Working members of a rotary hydraulic or pneumatic machine
    • Patent number 11,898,560
    • Issue date Feb 13, 2024
    • PERFOBORE INC.
    • Dmitry Fedorovich Baldenko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary machine
    • Patent number 11,506,056
    • Issue date Nov 22, 2022
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including end-plate side stepped portions of each...
    • Patent number 11,326,602
    • Issue date May 10, 2022
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method to determine the reasonable design area of rotor profile of...
    • Patent number 11,168,682
    • Issue date Nov 9, 2021
    • Jiangnan University
    • Xueming He
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Rotary machine with pressure relief mechanism
    • Patent number 10,844,720
    • Issue date Nov 24, 2020
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor with cylinder having elliptical inner circumfer...
    • Patent number 10,767,649
    • Issue date Sep 8, 2020
    • LG Electronics Inc.
    • Seokhwan Moon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Twin vane rotary vacuum pump
    • Patent number 10,683,864
    • Issue date Jun 16, 2020
    • WABCO Europe BVBA
    • David Heaps
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal combustion engine with rotor having offset peripheral surface
    • Patent number 10,605,084
    • Issue date Mar 31, 2020
    • Pratt & Whitney Canada Corp.
    • Jean-Gabriel Gauvreau
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vane pump and determining method for inner profile of cam ring comp...
    • Patent number 10,344,595
    • Issue date Jul 9, 2019
    • Myunghwa Ind. Co., Ltd.
    • Sang-woo Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal gear pump
    • Patent number 10,337,509
    • Issue date Jul 2, 2019
    • TOYOOKI KOGYO CO., LTD.
    • Noritaka Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary machine
    • Patent number 10,087,758
    • Issue date Oct 2, 2018
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Low-pulse vane pumps
    • Patent number 10,018,197
    • Issue date Jul 10, 2018
    • Hamilton Sundstrand Corporation
    • Mark F. Franzen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Claw pump
    • Patent number 10,006,459
    • Issue date Jun 26, 2018
    • Anest Iwata Corporation
    • Kenichi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 9,765,775
    • Issue date Sep 19, 2017
    • Hella KGaA Hueck & Co.
    • Ingo Geue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary device and a method of designing and making a rotary device
    • Patent number 9,714,655
    • Issue date Jul 25, 2017
    • EPICAM LIMITED
    • Gunnar Moeller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine
    • Patent number 9,714,605
    • Issue date Jul 25, 2017
    • Lumenium LLC
    • Joseph B. Wooldridge
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reduced noise screw machines
    • Patent number 9,714,572
    • Issue date Jul 25, 2017
    • The city University
    • Nikola Rudi Stosic
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor with an arcuate and a logarithmic spiral sections
    • Patent number 9,605,675
    • Issue date Mar 28, 2017
    • LG Electronics Inc.
    • Inwon Park
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump having a housing and a rotor capable of rotating in the housing
    • Patent number 9,581,157
    • Issue date Feb 28, 2017
    • Quantex Patents Limited
    • Richard Paul Hayes-Pankhurst
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Scroll compressor
    • Patent number 9,371,832
    • Issue date Jun 21, 2016
    • LG Electronics Inc.
    • Myungkyun Kiem
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Metering pump with special-shaped cavity
    • Patent number 8,974,206
    • Issue date Mar 10, 2015
    • Zhejiang University
    • Yang Lu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inverse displacement asymmetric rotary (IDAR) engine
    • Patent number 8,607,762
    • Issue date Dec 17, 2013
    • Lumenium LLC
    • Joseph B. Wooldridge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement rotary vane engine
    • Patent number 8,567,178
    • Issue date Oct 29, 2013
    • Roy J. Hartfield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary internal combustion diesel engine
    • Patent number 8,539,931
    • Issue date Sep 24, 2013
    • Yousry Kamel Hanna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary combustion apparatus
    • Patent number 8,539,930
    • Issue date Sep 24, 2013
    • David DuSell Gray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Non-eccentric engine
    • Patent number 8,517,706
    • Issue date Aug 27, 2013
    • Jerome R. Lurtz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valveless vane compressor
    • Patent number 8,454,335
    • Issue date Jun 4, 2013
    • Hamilton Sundstrand Corporation
    • Charles Shepard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary expansible chamber device
    • Patent number 8,152,505
    • Issue date Apr 10, 2012
    • James Mesmer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement rotary vane engine
    • Patent number 8,037,863
    • Issue date Oct 18, 2011
    • Roy J. Hartfield, Jr.
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR INCLUDING END-PLATE SIDE STEPPED PORTIONS OF EACH...
    • Publication number 20220220960
    • Publication date Jul 14, 2022
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Machine With Pressure Relief Mechanism
    • Publication number 20210062655
    • Publication date Mar 4, 2021
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TWIN VANE ROTARY VACUUM PUMP
    • Publication number 20190017507
    • Publication date Jan 17, 2019
    • WABCO EUROPE BVBA
    • David HEAPS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE WITH ROTOR HAVING OFFSET PERIPHERAL SURFACE
    • Publication number 20190003307
    • Publication date Jan 3, 2019
    • Pratt & Whitney Canada Corp.
    • Jean-Gabriel GAUVREAU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Rotary Machine
    • Publication number 20180291740
    • Publication date Oct 11, 2018
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP AND DETERMINING METHOD FOR INNER PROFILE OF CAM RING COMP...
    • Publication number 20180230803
    • Publication date Aug 16, 2018
    • MYUNGHWA IND. CO., LTD.
    • Sang-woo KIM
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY DEVICE AND A METHOD OF DESIGNING AND MAKING A ROTARY DEVICE
    • Publication number 20180100502
    • Publication date Apr 12, 2018
    • EPICAM LIMITED
    • Gunnar MOELLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20170268504
    • Publication date Sep 21, 2017
    • TOYOOKI KOGYO CO., LTD.
    • Noritaka WATANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CLAW PUMP
    • Publication number 20160273539
    • Publication date Sep 22, 2016
    • ANEST IWATA CORPORATION
    • Kenichi KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20140363325
    • Publication date Dec 11, 2014
    • LG ELECTRONICS INC.
    • Inwon PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pumps
    • Publication number 20140348684
    • Publication date Nov 27, 2014
    • Richard Paul Hayes-Pankhurst
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY MACHINE
    • Publication number 20140076270
    • Publication date Mar 20, 2014
    • LUMENIUM LLC
    • Joseph B. Wooldridge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT ROTARY VANE ENGINE
    • Publication number 20140020384
    • Publication date Jan 23, 2014
    • Roy J. HARTFIELD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary internal combustion diesel engine
    • Publication number 20130255621
    • Publication date Oct 3, 2013
    • Yousry Kamel Hanna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY DEVICE AND A METHOD OF DESIGNING AND MAKING A ROTARY DEVICE
    • Publication number 20130142685
    • Publication date Jun 6, 2013
    • EPICAM LIMITED
    • Gunnar Moeller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20130004354
    • Publication date Jan 3, 2013
    • LG ELECTRONICS INC.
    • Myungkyun KIEM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVELESS VANE COMPRESSOR
    • Publication number 20120183425
    • Publication date Jul 19, 2012
    • Charles Shepard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METERING PUMP WITH SPECIAL-SHAPED CAVITY
    • Publication number 20120164018
    • Publication date Jun 28, 2012
    • ZHEJIANG UNIVERSITY
    • Yang Lu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POSITIVE DISPLACEMENT ROTARY VANE ENGINE
    • Publication number 20120000199
    • Publication date Jan 5, 2012
    • Roy J. HARTFIELD, JR.
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP INLET WINDOW SHAPE
    • Publication number 20110293460
    • Publication date Dec 1, 2011
    • Sara Dexter
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE CELL PUMP
    • Publication number 20110293458
    • Publication date Dec 1, 2011
    • Geraete-und Pumpenbau GmbH Dr. Eugen Schmidt
    • Eugen Schmidt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMBUSTION APPARATUS
    • Publication number 20110271929
    • Publication date Nov 10, 2011
    • David DuSell Gray
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    NON-ECCENTRIC ENGINE
    • Publication number 20110135525
    • Publication date Jun 9, 2011
    • Jerome R. Lurtz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    INVERSE DISPLACEMENT ASYMMETRIC ROTARY (IDAR) ENGINE
    • Publication number 20100242897
    • Publication date Sep 30, 2010
    • LUMENIUM LLC
    • JOSEPH B. WOOLDRIDGE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POSITIVE DISPLACEMENT ROTARY VANE ENGINE
    • Publication number 20080216792
    • Publication date Sep 11, 2008
    • Roy J. HARTFIELD
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Reflux gas compressor
    • Publication number 20080181803
    • Publication date Jul 31, 2008
    • John F. Weinbrecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston Free Stirling Cycle Engine
    • Publication number 20070240419
    • Publication date Oct 18, 2007
    • Edouard Paknia
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY COMBUSTION APPARATUS
    • Publication number 20070160487
    • Publication date Jul 12, 2007
    • David DuSell Gray
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CONCENTRIC INTERNAL COMBUSTION ROTARY ENGINE
    • Publication number 20070068481
    • Publication date Mar 29, 2007
    • Robert L. Campbell
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Balanced rotary internal combustion engine or cycling volume machine
    • Publication number 20070023001
    • Publication date Feb 1, 2007
    • Paul D. Okulov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES