TREA

characterised by changing the positions of the inlet or outlet openings with respect to the working chamber

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Industry

  • CPC
  • F04C28/10
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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 F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Current Industry

F04C28/10characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Screw compressor with adjustable passage
    • Patent number 12,055,143
    • Issue date Aug 6, 2024
    • Carrier Corporation
    • David Okhman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volume ratio for a R718* compressor
    • Patent number 12,012,961
    • Issue date Jun 18, 2024
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation assembly
    • Patent number 11,754,072
    • Issue date Sep 12, 2023
    • Copeland LP
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor
    • Patent number 11,448,217
    • Issue date Sep 20, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Masakazu Hase
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Intermediate discharge port for a compressor
    • Patent number 11,022,122
    • Issue date Jun 1, 2021
    • TRANE INTERNATIONAL INC.
    • Scott M. Branch
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor having capacity modulation assembly
    • Patent number 10,995,753
    • Issue date May 4, 2021
    • Emerson Climate Technologies, Inc.
    • Jeffrey Lee Berning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having a capacity variable device
    • Patent number 10,815,998
    • Issue date Oct 27, 2020
    • LG Electronics Inc.
    • Minjae Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with partial load capacity
    • Patent number 10,738,777
    • Issue date Aug 11, 2020
    • TRANE INTERNATIONAL INC.
    • Daniel R. Crum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,428,818
    • Issue date Oct 1, 2019
    • LG Electronics Inc.
    • Honggyun Jin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontal step scroll compressor with bypass ports
    • Patent number 10,267,311
    • Issue date Apr 23, 2019
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage pump assembly having a pressure controlled valve for co...
    • Patent number 10,190,585
    • Issue date Jan 29, 2019
    • BP Exploration Operating Company Limited
    • Mark Joseph Denny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly and method for evacuating a vapor-filled chamber
    • Patent number 10,047,747
    • Issue date Aug 14, 2018
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • 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

    Scroll compressor
    • Patent number 9,970,438
    • Issue date May 15, 2018
    • LG Electronics Inc.
    • Suchul Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas compressor having an asymmetric cylinder chamber
    • Patent number 9,528,514
    • Issue date Dec 27, 2016
    • Calsonic Kansei Corporation
    • Hirotada Shimaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-stage pump assembly having a pressure controlled valve for co...
    • Patent number 9,388,809
    • Issue date Jul 12, 2016
    • BP Exploration Operating Company Limited
    • Mark Joseph Denny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with bypass hole
    • Patent number 9,157,438
    • Issue date Oct 13, 2015
    • LG Electronics Inc.
    • Sanghun Seong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Manual Vi adjustment mechanism for screw compressors
    • Patent number 9,032,750
    • Issue date May 19, 2015
    • Johnson Controls Technology Company
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having a pass hole for preventing over-compressio...
    • Patent number 8,672,655
    • Issue date Mar 18, 2014
    • Jeonghun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single screw compressor structure
    • Patent number 8,337,184
    • Issue date Dec 25, 2012
    • Daikin Industries, Ltd.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including a fixed scroll and a orbiting scroll
    • Patent number 8,186,970
    • Issue date May 29, 2012
    • LG Electronics Inc.
    • Yong-Il Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mode changing apparatus for a scroll compressor
    • Patent number 8,177,522
    • Issue date May 15, 2012
    • LG Electronics Inc.
    • Myung-Kyun Kiem
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation system
    • Patent number 7,967,583
    • Issue date Jun 28, 2011
    • Emerson Climate Technologies, Inc.
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,223,081
    • Issue date May 29, 2007
    • Samsung Electronics Co., Ltd.
    • In Ju Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,070,395
    • Issue date Jul 4, 2006
    • Samsung Electronics Co., Ltd.
    • In Ju Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity vapor compression cooling system
    • Patent number 6,105,378
    • Issue date Aug 22, 2000
    • David N. Shaw
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multi-rotor helical screw compressor with unloading
    • Patent number 6,003,324
    • Issue date Dec 21, 1999
    • David N. Shaw
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Variable capacity vapor compression cooling system
    • Patent number 5,806,324
    • Issue date Sep 15, 1998
    • David N. Shaw
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Variable capacity vapor compression cooling system
    • Patent number 5,775,117
    • Issue date Jul 7, 1998
    • David N. Shaw
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Swing type rotary compressors having a cut-off portion on the roller
    • Patent number 5,641,279
    • Issue date Jun 24, 1997
    • Daikin Industries, Ltd.
    • Yasushi Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    VOLUME RATIO FOR A R718* COMPRESSOR
    • Publication number 20230167823
    • Publication date Jun 1, 2023
    • R-718 SPINDEL GBR
    • Ralf Steffens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH ADJUSTABLE PASSAGE
    • Publication number 20220372978
    • Publication date Nov 24, 2022
    • Carrier Corporation
    • David Okhman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20220082099
    • Publication date Mar 17, 2022
    • Mitsubishi Electric Corporation
    • Shun OKADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20210190070
    • Publication date Jun 24, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20190353164
    • Publication date Nov 21, 2019
    • Emerson Climate Technologies, Inc.
    • Jeffrey Lee BERNING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH PARTIAL LOAD CAPACITY
    • Publication number 20190293070
    • Publication date Sep 26, 2019
    • TRANE INTERNATIONAL INC.
    • Daniel R. Crum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Machine
    • Publication number 20160327043
    • Publication date Nov 10, 2016
    • Man Diesel & Turbo SE
    • Tim LEHMANN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pump Assembly and Method for Evacuating a Vapor-Filled Chamber
    • Publication number 20150361979
    • Publication date Dec 17, 2015
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20140099225
    • Publication date Apr 10, 2014
    • BP Exploration Operating Company Limited
    • Mark Joseph Denny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MANUAL Vi ADJUSTMENT MECHANISM FOR SCREW COMPRESSORS
    • Publication number 20130091892
    • Publication date Apr 18, 2013
    • Johnson Controls, Inc.
    • Paul NEMIT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH BYPASS HOLE
    • Publication number 20130089449
    • Publication date Apr 11, 2013
    • Sanghun SEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20110318211
    • Publication date Dec 29, 2011
    • LG Electronics Inc.
    • Jeonghun KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE SCREW COMPRESSOR STRUCTURE
    • Publication number 20100247364
    • Publication date Sep 30, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor having capacity modulation system
    • Publication number 20090297380
    • Publication date Dec 3, 2009
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODE CHANGING APPARATUS FOR A SCROLL COMPRESSOR
    • Publication number 20090196781
    • Publication date Aug 6, 2009
    • LG Electronics Inc.
    • Myung-Kyun KIEM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll compressor
    • Publication number 20090110570
    • Publication date Apr 30, 2009
    • Yong-Il Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEPPED SCROLL COMPRESSOR WITH STAGED CAPACITY MODULATION
    • Publication number 20090035167
    • Publication date Feb 5, 2009
    • Zili Sun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Displacement Changing Control Device for Scroll Compressors
    • Publication number 20080075607
    • Publication date Mar 27, 2008
    • Nanjing Aotecar Refrigerating Compressor Co., Ltd.
    • Yonggui Qian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rapidly pumping out an enclosure while limiting energy consumption
    • Publication number 20060222506
    • Publication date Oct 5, 2006
    • ALCATEL
    • Jean-Luc Rival
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050019192
    • Publication date Jan 27, 2005
    • Samsung Electronics Co., Ltd.
    • In Ju Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050019193
    • Publication date Jan 27, 2005
    • Samsung Electronics Co., Ltd.
    • In Ju Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...