TREA

characterised by varying the volume of the working chamber

Follow

Industry

  • CPC
  • F04C28/18
This industry / category may be too specific. Please go to a parent level for more data

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

F04C28/18characterised by varying the volume of the working chamber
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220381243
    • Publication date Dec 1, 2022
    • EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
    • Chun YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE VOLUME RATIO SCREW COMPRESSOR
    • Publication number 20220299031
    • Publication date Sep 22, 2022
    • TRANE INTERNATIONAL INC.
    • Alberto Scala
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER AND COMPRESSOR
    • Publication number 20220049701
    • Publication date Feb 17, 2022
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yanjun HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY COMPRESSOR
    • Publication number 20220025887
    • Publication date Jan 27, 2022
    • SHANGHAI HIGHLY ELECTRICAL APPLIANCES CO., LTD.
    • Yanzhen WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF IMPROVED CONTROL FOR VARIABLE VOLUME RATIO VALVE
    • Publication number 20210180598
    • Publication date Jun 17, 2021
    • TRANE INTERNATIONAL INC.
    • Christopher Espelien
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20210164470
    • Publication date Jun 3, 2021
    • Emerson Climate Technologies, Inc.
    • Masao AKEI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    VARIABLE VOLUME RATIO SCREW COMPRESSOR
    • Publication number 20200208637
    • Publication date Jul 2, 2020
    • TRANE INTERNATIONAL INC.
    • Alberto Scala
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF IMPROVED CONTROL FOR VARIABLE VOLUME RATIO VALVE
    • Publication number 20200200175
    • Publication date Jun 25, 2020
    • TRANE INTERNATIONAL INC.
    • Christopher Espelien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20200080560
    • Publication date Mar 12, 2020
    • Honda Motor Co., Ltd.
    • Nobuo SUZUKI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190360489
    • Publication date Nov 28, 2019
    • LG ELECTRONICS INC.
    • Honggyun JIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190249667
    • Publication date Aug 15, 2019
    • LG ELECTRONICS INC.
    • Honggyun JIN
    • 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

    Compressor Unit and Method for Operating a Compressor Unit
    • Publication number 20190032655
    • Publication date Jan 31, 2019
    • BITZER Kuehlmaschinenbau GmbH
    • Tihomir Mikulic
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20190032661
    • Publication date Jan 31, 2019
    • Bitzer Kuehlmaschinenbau GmbH
    • Tihomir Mikulic
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20180363651
    • Publication date Dec 20, 2018
    • LG ELECTRONICS INC.
    • Sanghun SEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Transfer Apparatus and Associated Methods
    • Publication number 20180363648
    • Publication date Dec 20, 2018
    • WaveLIFT Limited
    • Hugh Edward Fisher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20180149155
    • Publication date May 31, 2018
    • Emerson Climate Technologies, Inc.
    • Masao AKEI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    VARIABLE VOLUME RATIO COMPRESSOR
    • Publication number 20180017060
    • Publication date Jan 18, 2018
    • Johnson Controls Technology Company
    • Paul NEMIT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20170342983
    • Publication date Nov 30, 2017
    • LG Electronics Inc.
    • Honggyun JIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20170342984
    • Publication date Nov 30, 2017
    • LG Electronics Inc.
    • Honggyun JIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Capacity Modulation System For Multiple Compressors
    • Publication number 20170241690
    • Publication date Aug 24, 2017
    • Emerson Climate Technologies, Inc.
    • Jacob A. GROSHEK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTEGRATED PRESSURE PLATE AND PORT PLATE FOR PUMP
    • Publication number 20170101988
    • Publication date Apr 13, 2017
    • EATON CORPORATION
    • Martin A. Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor and air conditioner
    • Publication number 20170030355
    • Publication date Feb 2, 2017
    • Green Refrigeration Equipment Engineering Research Center of ZHUHAI GREE CO.,...
    • HUI HUANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A MULTIPLE VANE ROTO-DYNAMIC VARIABLE DISPLACEMENT KINETIC SYSTEM
    • Publication number 20160312611
    • Publication date Oct 27, 2016
    • Das Ajee KAMATH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR TEMPERATURE CONTROL SYSTEMS AND METHODS
    • Publication number 20160298627
    • Publication date Oct 13, 2016
    • Emerson Climate Technologies, Inc.
    • Keith Michael KNIPPEN
    • 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

    VANE PUMP
    • Publication number 20160177947
    • Publication date Jun 23, 2016
    • ZF Friedrichshafen AG
    • Thilo Schmidt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...