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Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps

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  • F04C27/006
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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 F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C27/006Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll compressor with circular surface terminations
    • Patent number 11,686,309
    • Issue date Jun 27, 2023
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with axial compensation
    • Patent number 11,680,567
    • Issue date Jun 20, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing arrangement
    • Patent number 11,668,300
    • Issue date Jun 6, 2023
    • TOCIRCLE INDUSTRIES AS
    • Arne Høeg
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump system and method for optimized torque requirements and volume...
    • Patent number 11,661,938
    • Issue date May 30, 2023
    • GM Global Technology Operations LLC
    • Robert Benson Parrish
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with circular surface terminations
    • Patent number 11,339,786
    • Issue date May 24, 2022
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump sealing element
    • Patent number 11,286,929
    • Issue date Mar 29, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Roman Ickert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary vacuum pump with a rotor end groove
    • Patent number 11,168,691
    • Issue date Nov 9, 2021
    • ZF CV Systems Europe BV
    • David Heaps
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor having buffer member arranged between end of shaf...
    • Patent number 11,136,979
    • Issue date Oct 5, 2021
    • HANON SYSTEMS
    • Chi Myeong Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll-type fluid machine
    • Patent number 11,085,444
    • Issue date Aug 10, 2021
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shumpei Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid exchange devices and related controls, systems, and methods
    • Patent number 10,988,999
    • Issue date Apr 27, 2021
    • Flowserve Management Company
    • Nathan Terwilliger
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Epitrochoidal type compressor
    • Patent number 10,550,842
    • Issue date Feb 4, 2020
    • Epitrochoidal Compressors Ltd
    • David Walker Garside
    • 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

    Scroll compressor with reduced upsetting moment
    • Patent number 9,903,370
    • Issue date Feb 27, 2018
    • Daikin Industries, Ltd.
    • Yoshitomo Tsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pump assembly with movable end plate for roto...
    • Patent number 9,845,804
    • Issue date Dec 19, 2017
    • Eaton Corporation
    • Daniel R. Ouwenga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump
    • Patent number 9,841,023
    • Issue date Dec 12, 2017
    • Nabtesco Automotive Corporation
    • Katsunori Tanaka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal gear pump having a rotationally fixed axial disk
    • Patent number 9,765,779
    • Issue date Sep 19, 2017
    • Robert Bosch GmbH
    • Massimiliano Ambrosi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement gear pump
    • Patent number 9,752,580
    • Issue date Sep 5, 2017
    • G.P.S. GREEN POWER SOLUTION SA
    • Franco Tommasini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multi-stage vacuum pump
    • Patent number 9,739,278
    • Issue date Aug 22, 2017
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump
    • Patent number 9,644,627
    • Issue date May 9, 2017
    • Hitachi, Ltd.
    • Takahiro Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 9,624,929
    • Issue date Apr 18, 2017
    • LG Innotek Co., Ltd
    • Chanseok Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor flange for screw-type compressor
    • Patent number 9,523,363
    • Issue date Dec 20, 2016
    • Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
    • Engelbert Köck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump
    • Patent number 9,506,467
    • Issue date Nov 29, 2016
    • Robert Bosch GmbH
    • Norbert Alaze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axially compliant orbiting plate scroll and scroll pump comprising...
    • Patent number 9,353,749
    • Issue date May 31, 2016
    • Agilent Technologies, Inc.
    • Ronald J. Forni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with reduced upsetting moment
    • Patent number 9,127,669
    • Issue date Sep 8, 2015
    • Daikin Industries, Ltd.
    • Yoshitomo Tsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial disc and gear pump with axial disc
    • Patent number 9,115,717
    • Issue date Aug 25, 2015
    • Robert Bosch GmbH
    • Oliver Gaertner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roots fluid machine with reduced gas leakage
    • Patent number 8,936,450
    • Issue date Jan 20, 2015
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yuya Izawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with partial unloader for start-up
    • Patent number 8,678,786
    • Issue date Mar 25, 2014
    • Honeywell International Inc.
    • Benjamin Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration apparatus
    • Patent number 8,419,395
    • Issue date Apr 16, 2013
    • Daikin Industries, Ltd.
    • Kazuhiro Furusho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having an allowable angle of rotation
    • Patent number 8,403,655
    • Issue date Mar 26, 2013
    • Mitsubishi Heavy Industries, Ltd.
    • Takayuki Kuwahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having an allowable angle of rotation
    • Patent number 8,038,421
    • Issue date Oct 18, 2011
    • Mitsubishi Heavy Industries, Ltd.
    • Takayuki Kuwahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR WITH CIRCULAR SURFACE TERMINATIONS
    • Publication number 20240044334
    • Publication date Feb 8, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH CIRCULAR SURFACE TERMINATIONS
    • Publication number 20220356879
    • Publication date Nov 10, 2022
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ARRANGEMENT
    • Publication number 20200347726
    • Publication date Nov 5, 2020
    • TOCIRCLE INDUSTRIES AS
    • Arne HØEG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLUID EXCHANGE DEVICES AND RELATED CONTROLS, SYSTEMS, AND METHODS
    • Publication number 20200149362
    • Publication date May 14, 2020
    • FLOWSERVE MANAGEMENT COMPANY
    • Nathan Terwilliger
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20200088198
    • Publication date Mar 19, 2020
    • HANON SYSTEMS
    • Chi Myeong Moon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH CIRCULAR SURFACE TERMINATIONS
    • Publication number 20190301463
    • Publication date Oct 3, 2019
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System for an Utility Vehicle Comprising a Screw Compressor and an...
    • Publication number 20190203712
    • Publication date Jul 4, 2019
    • Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    • Gilles HEBRARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EPITROCHOIDAL TYPE COMPRESSOR
    • Publication number 20170204857
    • Publication date Jul 20, 2017
    • Epitrochoidal Compressors Ltd.
    • David Walker Garside
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A SILENT GEAR PUMP OR MOTOR SUPPRESSING TROUBLES OF TRAPPING FLUID
    • Publication number 20160108733
    • Publication date Apr 21, 2016
    • LIM, Nag-Bok
    • Nag-Bok LIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT GEAR PUMP
    • Publication number 20160047377
    • Publication date Feb 18, 2016
    • G.P.S. GREEN POWER SOLUTION SA
    • Franco TOMMASINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20150337836
    • Publication date Nov 26, 2015
    • Hitachi, Ltd
    • Takahiro ITO
    • 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

    POSITIVE DISPLACEMENT PUMP ASSEMBLY WITH MOVABLE END PLATE FOR ROTO...
    • Publication number 20150118094
    • Publication date Apr 30, 2015
    • EATON CORPORATION
    • Daniel R. Ouwenga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axially Compliant Orbiting Plate Scroll and Scroll Pump Comprising...
    • Publication number 20150037191
    • Publication date Feb 5, 2015
    • AGILENT TECHNOLOGIES, INC.
    • Ronald J. FORNI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal Gear Pump
    • Publication number 20140377114
    • Publication date Dec 25, 2014
    • Norbert Alaze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE VACUUM PUMP
    • Publication number 20140286806
    • Publication date Sep 25, 2014
    • EDWARDS LIMITED
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP
    • Publication number 20140178219
    • Publication date Jun 26, 2014
    • Chanseok KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial washer for a gear-type pump comprising an axial washer of thi...
    • Publication number 20140030129
    • Publication date Jan 30, 2014
    • Robert BoschGmbH
    • Klaus Heyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Disc and Gear Pump with Axial Disc
    • Publication number 20140010696
    • Publication date Jan 9, 2014
    • ROBERT BOSCH GmbH
    • Oliver Gaertner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20130209303
    • Publication date Aug 15, 2013
    • DAIKIN INDUSTRIES, LTD.
    • Yoshitomo Tsuka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR FLANGE FOR SCREW-TYPE COMPRESSOR
    • Publication number 20130064694
    • Publication date Mar 14, 2013
    • KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
    • Engelbert Köck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH PARTIAL UNLOADER FOR START-UP
    • Publication number 20120100024
    • Publication date Apr 26, 2012
    • Honeywell International Inc.
    • BENJAMIN TANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROOTS TYPE FLUID MACHINE
    • Publication number 20120014825
    • Publication date Jan 19, 2012
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuya Izawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20110256010
    • Publication date Oct 20, 2011
    • Mitsubishi Heavy Industries, Ltd.
    • Takayuki Kuwahara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll Fluid Machine
    • Publication number 20110158839
    • Publication date Jun 30, 2011
    • Akiyoshi Higashiyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION APPARATUS
    • Publication number 20100319394
    • Publication date Dec 23, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Kazuhiro Furusho
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20100021329
    • Publication date Jan 28, 2010
    • Mitsubishi Heavy Industries, Ltd.
    • Takayuki Kuwahara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Screw Compressor Capacity Control
    • Publication number 20090311119
    • Publication date Dec 17, 2009
    • Carrier Corporation
    • Steven J. Holden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING TABS ON ORBITING SCROLL
    • Publication number 20090098001
    • Publication date Apr 16, 2009
    • SCROLL LABORATORIES, INC.
    • Shimao NI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor for high input power
    • Publication number 20070264146
    • Publication date Nov 15, 2007
    • Dieter Mosemann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...