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specially adapted for reversible pumps

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  • CPC
  • F04C28/04
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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

F04C28/04specially adapted for reversible pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary displacement compressor having a check valve and a backflow...
    • Patent number 11,401,934
    • Issue date Aug 2, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Fuminori Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric compressor system for vehicle
    • Patent number 11,346,345
    • Issue date May 31, 2022
    • Hyundai Motor Company
    • Jong Wan Han
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable fuel pump
    • Patent number 11,346,341
    • Issue date May 31, 2022
    • Tuthill Corporation
    • Jacob J. Berry
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Methods and systems for preventing premature compressor failure fro...
    • Patent number 11,085,686
    • Issue date Aug 10, 2021
    • Thermo King Corporation
    • Ryan Wayne Schumacher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Controls and operation of variable frequency drives
    • Patent number 10,746,448
    • Issue date Aug 18, 2020
    • Trane International Inc.
    • Benjamin James Sykora
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for compressing and expanding a gas and method for controlli...
    • Patent number 10,697,457
    • Issue date Jun 30, 2020
    • Atlas Copco Airpower, naamloze vennootschap
    • Kris Van Campfort
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Methods and systems for preventing premature compressor failure fro...
    • Patent number 10,520,234
    • Issue date Dec 31, 2019
    • Thermo King Corporation
    • Ryan Wayne Schumacher
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Portable fuel pump
    • Patent number 10,418,878
    • Issue date Sep 17, 2019
    • Tuthill Corporation
    • Jacob J. Berry
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Controls and operation of variable frequency drives
    • Patent number 10,295,239
    • Issue date May 21, 2019
    • Trane International Inc.
    • Nathan Thomas West
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-pump unit
    • Patent number 9,945,377
    • Issue date Apr 17, 2018
    • Eckerle Industrie Elektronik GmbH
    • Reinhard Pippes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump with pivoted vanes
    • Patent number 9,605,673
    • Issue date Mar 28, 2017
    • Tuthill Corporation
    • Jacob J. Berry
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary pump with vane support divided into two half shells
    • Patent number 8,087,915
    • Issue date Jan 3, 2012
    • VHIT S.p.A.
    • Leonardo Cadeddu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor for changing compression capacity
    • Patent number 7,988,432
    • Issue date Aug 2, 2011
    • LG Electronics Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of controlling compressor for refrigerator and apparatus the...
    • Patent number 7,984,617
    • Issue date Jul 26, 2011
    • LG Electronics Inc.
    • Do-Hyung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single stage root type-vacuum pump and vacuum fluid transport syste...
    • Patent number 7,950,911
    • Issue date May 31, 2011
    • Sekisui Chemical Co., Ltd.
    • Tetsushi Ohtsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 7,891,956
    • Issue date Feb 22, 2011
    • LG Electronics Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor having two compression capacities
    • Patent number 7,871,252
    • Issue date Jan 18, 2011
    • LG Electronics Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor for changing compression capacity
    • Patent number 7,854,602
    • Issue date Dec 21, 2010
    • LG Electronics Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,597,547
    • Issue date Oct 6, 2009
    • LG Electronics Inc.
    • Sam Chul Ha
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,588,427
    • Issue date Sep 15, 2009
    • LG Electronics Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,481,631
    • Issue date Jan 27, 2009
    • Samsung Electronics Co., Ltd.
    • Jae Woo Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,354,250
    • Issue date Apr 8, 2008
    • Samsung Electronics Co., Ltd.
    • Chun Mo Sung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,309,217
    • Issue date Dec 18, 2007
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,300,259
    • Issue date Nov 27, 2007
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Prevention of unpowered reverse rotation in compressors
    • Patent number 7,300,257
    • Issue date Nov 27, 2007
    • Carrier Corporation
    • Alexander Lifson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,281,914
    • Issue date Oct 16, 2007
    • Samsung Electronics Co., Ltd.
    • Jeong Bae Lee
    • 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 7,192,259
    • Issue date Mar 20, 2007
    • Samsung Electronics Co., Ltd.
    • Jeong Bae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,175,401
    • Issue date Feb 13, 2007
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity rotary compressor
    • Patent number 7,153,109
    • Issue date Dec 26, 2006
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHODS AND SYSTEMS FOR PREVENTING PREMATURE COMPRESSOR FAILURE FRO...
    • Publication number 20200116406
    • Publication date Apr 16, 2020
    • Thermo King Corporation
    • Ryan Wayne SCHUMACHER
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Portable Fuel Pump
    • Publication number 20200014277
    • Publication date Jan 9, 2020
    • TUTHILL CORPORATION
    • Jacob J. Berry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Displacement Compressor
    • Publication number 20190338773
    • Publication date Nov 7, 2019
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Fuminori KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS AND SYSTEMS FOR PREVENTING PREMATURE COMPRESSOR FAILURE FRO...
    • Publication number 20180320943
    • Publication date Nov 8, 2018
    • Thermo King Corporation
    • Ryan Wayne SCHUMACHER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDROELECTRIC GEAR PUMP WITH VARYING HELIX ANGLES OF GEAR TEETH
    • Publication number 20170248019
    • Publication date Aug 31, 2017
    • EATON CORPORATION
    • Matthew Gareld SWARTZLANDER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROLS AND OPERATION OF VARIABLE FREQUENCY DRIVES
    • Publication number 20170227273
    • Publication date Aug 10, 2017
    • Trane International Inc.
    • NATHAN THOMAS WEST
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR COMPRESSING AND EXPANDING A GAS AND METHOD FOR CONTROLLI...
    • Publication number 20170122320
    • Publication date May 4, 2017
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Kris VAN CAMPFORT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Motor-Pump Unit
    • Publication number 20150267701
    • Publication date Sep 24, 2015
    • Eckerle Industrie-Elektronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VANE COMPRESSOR
    • Publication number 20120224986
    • Publication date Sep 6, 2012
    • CALSONIC KANSEI CORPORATION
    • Hirotada Shimaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Self-Triggering Rotor for Pneumatic Paddle Motor
    • Publication number 20100310399
    • Publication date Dec 9, 2010
    • Andrea Valentini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY PUMP WITH VANES
    • Publication number 20100028189
    • Publication date Feb 4, 2010
    • VHIT S.P.A
    • Leonardo Cadeddu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Single Stage Root Type-Vacuum Pump and Vacuum Fluid Transport Syste...
    • Publication number 20090004039
    • Publication date Jan 1, 2009
    • Tetsushi Ohtsuka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Compressor
    • Publication number 20080107556
    • Publication date May 8, 2008
    • LG Electronics, Inc.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Compressor
    • Publication number 20070280843
    • Publication date Dec 6, 2007
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System for controlling compressor of cooling system and method for...
    • Publication number 20070180841
    • Publication date Aug 9, 2007
    • LG ELECTRONICS INC.
    • Ji Young Bae
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Rotary compressor
    • Publication number 20070160486
    • Publication date Jul 12, 2007
    • Sam Chul Ha
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary compressor
    • Publication number 20070154328
    • Publication date Jul 5, 2007
    • LG ELECTRONICS INC.
    • Ji Young Bae
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary compressor
    • Publication number 20070122284
    • Publication date May 31, 2007
    • LG ELECTRONICS INC.
    • Ji Young Bae
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Method of controlling compressor for refrigerator and apparatus the...
    • Publication number 20070068181
    • Publication date Mar 29, 2007
    • Do-Hyung Kim
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20070003423
    • Publication date Jan 4, 2007
    • Jeong Bae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Prevention of unpowered reverse rotation in compressors
    • Publication number 20060222510
    • Publication date Oct 5, 2006
    • Alexander Lifson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20060222543
    • Publication date Oct 5, 2006
    • Jae Woo Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary compressor
    • Publication number 20060210418
    • Publication date Sep 21, 2006
    • Ji Young Bae
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20060093503
    • Publication date May 4, 2006
    • Samsung Electronics Co., Ltd.
    • Moon Joo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20060034720
    • Publication date Feb 16, 2006
    • SAMSUNG ELECTRONICS CO., LTD.
    • Jeong Bae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050207925
    • Publication date Sep 22, 2005
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050129551
    • Publication date Jun 16, 2005
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050112008
    • Publication date May 26, 2005
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050112009
    • Publication date May 26, 2005
    • Samsung Electronics Co., Ltd.
    • Moon Joo Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable capacity rotary compressor
    • Publication number 20050112010
    • Publication date May 26, 2005
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...