TREA

the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation

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  • CPC
  • F04C18/3562
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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 F04C18/00Rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C18/3562the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Single-stage enthalpy enhancing rotary compressor and air condition...
    • Patent number 11,971,038
    • Issue date Apr 30, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Guanghui Xia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor including an intermediate plate having a curved...
    • Patent number 11,754,071
    • Issue date Sep 12, 2023
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,655,817
    • Issue date May 23, 2023
    • LG Electronics Inc.
    • Sangmin Na
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor having intermediate passage capable of conveying accumul...
    • Patent number 11,614,087
    • Issue date Mar 28, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Sheng Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable-capacity control structure, compressor and variable-capaci...
    • Patent number 11,519,410
    • Issue date Dec 6, 2022
    • Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co.,...
    • Yanjun Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump body assembly, compressor and air conditioner
    • Patent number 11,460,028
    • Issue date Oct 4, 2022
    • ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD.
    • Licheng Zheng
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor having inlet port arrangement including a sucti...
    • Patent number 11,174,865
    • Issue date Nov 16, 2021
    • LG Electronics Inc.
    • Seokhwan Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having a rolling piston with coupling groove
    • Patent number 11,060,521
    • Issue date Jul 13, 2021
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with liquid injection cooling
    • Patent number 10,962,012
    • Issue date Mar 30, 2021
    • HICOR TECHNOLOGIES, INC.
    • Pedro Santos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having an injection connecting pipe that extends...
    • Patent number 10,495,091
    • Issue date Dec 3, 2019
    • Fujitsu General Limited
    • Kenshi Ueda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low-backpressure rotary compressor
    • Patent number 10,458,410
    • Issue date Oct 29, 2019
    • Guangdong Meizhi Compressor Co., Ltd.
    • Bin Gao
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor
    • Patent number 10,408,213
    • Issue date Sep 10, 2019
    • Fujitsu General Limited
    • Naoya Morozumi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with vapor injection system
    • Patent number 10,344,761
    • Issue date Jul 9, 2019
    • Emerson Climate Technologies, Inc.
    • Kirill M. Ignatiev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hermetic compressor having enlarged suction inlet
    • Patent number 10,006,460
    • Issue date Jun 26, 2018
    • Mitsubishi Electric Corporation
    • Hiroki Nagasawa
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary compressor
    • Patent number 9,951,775
    • Issue date Apr 24, 2018
    • Fujitsu General Limited
    • Hiroki Katayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with liquid injection cooling
    • Patent number 9,856,878
    • Issue date Jan 2, 2018
    • HICOR TECHNOLOGIES, INC.
    • Pedro Santos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 9,719,514
    • Issue date Aug 1, 2017
    • HICOR TECHNOLOGIES, INC.
    • Pedro Santos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 9,695,825
    • Issue date Jul 4, 2017
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Takumi Hikichi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor and refrigeration cycle device
    • Patent number 9,664,192
    • Issue date May 30, 2017
    • Toshiba Carrier Corporation
    • Toshimasa Aoki
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Rotary compressor with vapor injection system
    • Patent number 9,322,405
    • Issue date Apr 26, 2016
    • Emerson Climate Technologies, Inc.
    • Kirill M. Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage rotary expander, expander-integrated compressor, and refr...
    • Patent number 8,985,976
    • Issue date Mar 24, 2015
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yasufumi Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spherical expansion compressor adapted to variable working conditions
    • Patent number 8,956,128
    • Issue date Feb 17, 2015
    • Xi'An Zhengan Environmental Technology Co., Ltd.
    • Luyi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor and refrigerating cycle device
    • Patent number 8,585,385
    • Issue date Nov 19, 2013
    • Toshiba Carrier Corporation
    • Norihisa Watanabe
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 8,419,380
    • Issue date Apr 16, 2013
    • LG Electronics Inc.
    • In-Seok Ko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Expander-compressor unit
    • Patent number 8,323,010
    • Issue date Dec 4, 2012
    • Panasonic Corporation
    • Shingo Oyagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor having vane controller
    • Patent number 7,775,782
    • Issue date Aug 17, 2010
    • Samsung Electronics Co., Ltd.
    • Ji Hoon Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary type fluid machine
    • Patent number 7,722,340
    • Issue date May 25, 2010
    • Daikin Industries, Ltd.
    • Masanori Masuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine
    • Patent number 7,618,245
    • Issue date Nov 17, 2009
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid machine
    • Patent number 7,563,084
    • Issue date Jul 21, 2009
    • Daikin Industries, Ltd.
    • Shin Kurita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetizing method using a magnetizing jig and method of assembling...
    • Patent number 7,415,756
    • Issue date Aug 26, 2008
    • Matsushita Electric Industrial Co., Ltd.
    • Tsuyoshi Ishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SINGLE-STAGE ENTHALPY ENHANCING ROTARY COMPRESSOR AND AIR CONDITION...
    • Publication number 20230018817
    • Publication date Jan 19, 2023
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Guanghui XIA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20220412358
    • Publication date Dec 29, 2022
    • LG ELECTRONICS INC.
    • Sangmin NA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE-CAPACITY CONTROL STRUCTURE, COMPRESSOR AND VARIABLE-CAPACI...
    • Publication number 20200232464
    • Publication date Jul 23, 2020
    • Green Refrigeration Equipment Engineering Research Center of Zhuhai Gree Co....
    • Yanjun HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20180266419
    • Publication date Sep 20, 2018
    • LG ELECTRONICS INC.
    • Seokhwan MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Compressor With Vapor Injection System
    • Publication number 20180209423
    • Publication date Jul 26, 2018
    • Emerson Climate Technologies, Inc.
    • Kirill M. IGNATIEV
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20180135629
    • Publication date May 17, 2018
    • FUJITSU GENERAL LIMITED
    • Taku MORISHITA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH LIQUID INJECTION COOLING
    • Publication number 20180106255
    • Publication date Apr 19, 2018
    • HICOR TECHNOLOGIES, INC.
    • Pedro SANTOS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20170292520
    • Publication date Oct 12, 2017
    • FUJITSU GENERAL LIMITED
    • Kenshi UEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW-BACKPRESSURE ROTARY COMPRESSOR
    • Publication number 20170138360
    • Publication date May 18, 2017
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Bin Gao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20170130721
    • Publication date May 11, 2017
    • FUJITSU GENERAL LIMITED
    • Naoya MOROZUMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20170074269
    • Publication date Mar 16, 2017
    • FUJITSU GENERAL LIMITED
    • Hiroki KATAYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20170067468
    • Publication date Mar 9, 2017
    • HICOR TECHNOLOGIES, INC.
    • Pedro SANTOS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR FOR COMPRESSOR, COMPRESSOR, REFRIGERATING CYCLE APPA...
    • Publication number 20170018982
    • Publication date Jan 19, 2017
    • Mitsubishi Electric Corporation
    • Masashi ONO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20160333881
    • Publication date Nov 17, 2016
    • Mitsubishi Electric Corporation
    • Hiroki NAGASAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR AND REFRIGERATION CYCLE DEVICE
    • Publication number 20150292506
    • Publication date Oct 15, 2015
    • Toshiba Carrier Corporation
    • Toshimasa AOKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20140219851
    • Publication date Aug 7, 2014
    • PANASONIC CORPORATION
    • Takumi Hikichi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATING CYCLE APPARATUS USING THE SAME
    • Publication number 20130167580
    • Publication date Jul 4, 2013
    • PANASONIC CORPORATION
    • Yoshinori Ishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPHERICAL EXPANSION COMPRESSOR ADAPTED TO VARIABLE WORKING CONDITIONS
    • Publication number 20120189479
    • Publication date Jul 26, 2012
    • Luyi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERATING APPARATUS
    • Publication number 20110179822
    • Publication date Jul 28, 2011
    • DAIKIN INDUSTRIES, LTD.
    • Takazou Sotojima
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HERMETIC TYPE COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20110067434
    • Publication date Mar 24, 2011
    • TOSHIBA Carrier Corporation
    • Kazuhiko MIURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TWO-STAGE ROTARY EXPANDER, EXPANDER-INTEGRATED COMPRESSOR, AND REFR...
    • Publication number 20110070115
    • Publication date Mar 24, 2011
    • PANASONIC CORPORATION
    • Yasufumi Takahashi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT COMPRESSOR AND REFRIGERATING CYCLE DEVICE
    • Publication number 20110052439
    • Publication date Mar 3, 2011
    • TOSHIBA CARRIER CORPORATION
    • Norihisa Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20100322796
    • Publication date Dec 23, 2010
    • In-Seok Ko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXPANDER-COMPRESSOR UNIT
    • Publication number 20100254844
    • Publication date Oct 7, 2010
    • PANASONIC CORPORATION
    • Shingo Oyagi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20100119378
    • Publication date May 13, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Yoshitaka Shibamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY TYPE FLUID MACHINE
    • Publication number 20090074602
    • Publication date Mar 19, 2009
    • DAIKIN INDUSTRIES, LTD.
    • Masanori Masuda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ELECTRIC COMPRESSOR HAVING MAGNETS DISPOSED IN MAGNET SLOTS OF ROTO...
    • Publication number 20080298986
    • Publication date Dec 4, 2008
    • Tsuyoshi Ishida
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20080175736
    • Publication date Jul 24, 2008
    • Samsung Electronics Co., Ltd.
    • Ji Hoon Choi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fluid Machine
    • Publication number 20080085206
    • Publication date Apr 10, 2008
    • Eiji Kumakura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sliding Element and Fluid Machine
    • Publication number 20080025861
    • Publication date Jan 31, 2008
    • Takeyoshi Okawa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...