TREA

with symmetrical double wraps

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  • CPC
  • F04C18/0223
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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

F04C18/0223with symmetrical double wraps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Dry dual-scroll vacuum pump
    • Patent number 11,988,210
    • Issue date May 21, 2024
    • Zhejiang University
    • Shusheng Xiong
    • 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

    Scroll compressor having cooling pipe moving synchronously with orb...
    • Patent number 11,661,940
    • Issue date May 30, 2023
    • GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    • Gang Lv
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-free scroll air compressor with double parallel grooves on both...
    • Patent number 11,578,721
    • Issue date Feb 14, 2023
    • Zhejiang University
    • Shusheng Xiong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,493,041
    • Issue date Nov 8, 2022
    • Daikin Industries, Ltd.
    • Masahiro Yamada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid compressor
    • Patent number 11,480,179
    • Issue date Oct 25, 2022
    • LG Electronics Inc.
    • Jinho Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid cooling of fixed and orbiting scroll compressor, expander or...
    • Patent number 11,454,241
    • Issue date Sep 27, 2022
    • Air Squared, Inc.
    • Bryce R. Shaffer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor having hub plate
    • Patent number 11,434,910
    • Issue date Sep 6, 2022
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with discharge valve
    • Patent number 11,174,861
    • Issue date Nov 16, 2021
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage scroll vacuum pumps and related scroll devices
    • Patent number 11,047,389
    • Issue date Jun 29, 2021
    • Air Squared, Inc.
    • Robert W. Shaffer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Variable volume ratio compressor
    • Patent number 10,962,008
    • Issue date Mar 30, 2021
    • Emerson Climate Technologies, Inc.
    • Michael M. Perevozchikov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having hub plate
    • Patent number 10,907,633
    • Issue date Feb 2, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,788,037
    • Issue date Sep 29, 2020
    • Danfoss Commercial Compressors S.A.
    • Yves Rosson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,718,329
    • Issue date Jul 21, 2020
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONG, INC.
    • Yasunori Nakano
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor provided with an orbiting guiding portion for imp...
    • Patent number 10,605,244
    • Issue date Mar 31, 2020
    • Danfoss Commercial Compressors S.A.
    • Nicolas Nouyrigat
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having an oil discharge device
    • Patent number 10,578,109
    • Issue date Mar 3, 2020
    • Danfoss Commercial Compressors
    • Arnaud Daussin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll unloading detection system
    • Patent number 10,571,177
    • Issue date Feb 25, 2020
    • Emerson Climate Technologies, Inc.
    • Jacob A. Groshek
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,533,555
    • Issue date Jan 14, 2020
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Ryota Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll device having a pressure plate
    • Patent number 10,508,543
    • Issue date Dec 17, 2019
    • Air Squared, Inc.
    • Bryce R Shaffer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor with axial flux motor
    • Patent number 10,415,567
    • Issue date Sep 17, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,638
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume ratio compressor
    • Patent number 10,323,639
    • Issue date Jun 18, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with a lubrication arrangement
    • Patent number 10,294,943
    • Issue date May 21, 2019
    • Danfoss Commercial Compressors
    • Yves Rosson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with axial flux motor
    • Patent number 10,280,922
    • Issue date May 7, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll unloading detection system
    • Patent number 10,240,840
    • Issue date Mar 26, 2019
    • Emerson Climate Technologies, Inc.
    • Jacob A. Groshek
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor having external shell with vibration isolation and press...
    • Patent number 10,240,603
    • Issue date Mar 26, 2019
    • TRANE INTERNATIONAL INC.
    • William B. Rockwood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi stage scroll vacuum pumps and related scroll devices
    • Patent number 10,221,852
    • Issue date Mar 5, 2019
    • Air Squared, Inc.
    • Robert W. Shaffer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and method of autonomously inspecting oil
    • Patent number 10,161,401
    • Issue date Dec 25, 2018
    • LG Electronics Inc.
    • Taeshin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,138,887
    • Issue date Nov 27, 2018
    • Daikin Industries, Ltd.
    • Yoshinobu Yosuke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220136503
    • Publication date May 5, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Masahiro YAMADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20210381507
    • Publication date Dec 9, 2021
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Gang LV
    • 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

    Oil-Free Scroll Air Compressor with Double Parallel Grooves on Both...
    • Publication number 20210148360
    • Publication date May 20, 2021
    • Zhejiang University
    • Shusheng Xiong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor Having Hub Plate
    • Publication number 20210148359
    • Publication date May 20, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING SCROLL COMPRESSOR
    • Publication number 20200386227
    • Publication date Dec 10, 2020
    • Mitsubishi Heavy Industries, Ltd.
    • Takuma Yamashita
    • 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

    LIQUID COOLING OF FIXED AND ORBITING SCROLL COMPRESSOR, EXPANDER OR...
    • Publication number 20190338779
    • Publication date Nov 7, 2019
    • Air Squared, Inc.
    • Bryce R. Shaffer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20190277285
    • Publication date Sep 12, 2019
    • Samsung Electronics Co., LTD
    • Sung Hea CHO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Unloading Detection System
    • Publication number 20190219316
    • Publication date Jul 18, 2019
    • Emerson Climate Technologies, Inc.
    • Jacob A. GROSHEK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTI-STAGE SCROLL VACUUM PUMPS AND RELATED SCROLL DEVICES
    • Publication number 20190211824
    • Publication date Jul 11, 2019
    • Air Squared, Inc.
    • Robert W. Shaffer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20190186491
    • Publication date Jun 20, 2019
    • Emerson Climate Technologies, Inc.
    • Michael M. PEREVOZCHIKOV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190128266
    • Publication date May 2, 2019
    • Hitachi-Johnson Controls Air Conditioning, Inc.
    • Ryota IIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor
    • Publication number 20190040861
    • Publication date Feb 7, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A SCROLL COMPRESSOR HAVING AN OIL DISCHARGE DEVICE
    • Publication number 20180274543
    • Publication date Sep 27, 2018
    • Danfoss Commercial Compressors
    • Arnaud Daussin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20180128269
    • Publication date May 10, 2018
    • Hitachi-Johnson Controls Air Conditioning, Inc.
    • Yasunori NAKANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRICALLY-DRIVEN COMPRESSOR
    • Publication number 20180066659
    • Publication date Mar 8, 2018
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Tatsuya Koide
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038370
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20180038369
    • Publication date Feb 8, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LOW VIBRATION SCROLL COMPRESSOR FOR AIRCRAFT APPLICATION
    • Publication number 20170051742
    • Publication date Feb 23, 2017
    • Honeywell International Inc.
    • Benjamin Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    UNFASTENED THRUST PLATE
    • Publication number 20170022989
    • Publication date Jan 26, 2017
    • Bitzer Kuehlmaschinenbau GmbH
    • Ronald J. Duppert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP SYSTEM INCLUDING SCROLL PUMP AND SECONDARY PUMPING MECH...
    • Publication number 20160348679
    • Publication date Dec 1, 2016
    • AGILENT TECHNOLOGIES, INC.
    • Ronald J. FORNI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable Volume Ratio Compressor
    • Publication number 20160273538
    • Publication date Sep 22, 2016
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A SCROLL COMPRESSOR
    • Publication number 20160238006
    • Publication date Aug 18, 2016
    • DANFOSS COMMERCIAL COMPRESSORS S.A.
    • Yves Rosson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISCHARGE VALVE AND COMPRESSOR COMPRISING SAME
    • Publication number 20160201673
    • Publication date Jul 14, 2016
    • EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
    • Michael M. PEREVOZCHIKOV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20160146206
    • Publication date May 26, 2016
    • LG Electronics Inc.
    • Yoonsung Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TIP SEAL
    • Publication number 20160131136
    • Publication date May 12, 2016
    • Trane International Inc.
    • Daniel R. Crum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20160123324
    • Publication date May 5, 2016
    • DAIKIN INDUSTRIES, LTD.
    • Yoshinobu Yosuke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor And Method Of Autonomously Inspecting Oil
    • Publication number 20160123325
    • Publication date May 5, 2016
    • LG ELECTRONICS INC.
    • Taeshin KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20160123326
    • Publication date May 5, 2016
    • Emerson Climate Technologies, Inc.
    • James F. Fogt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...