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Radial sealing elements specially adapted for intermeshing-engagement type pumps

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  • CPC
  • F04C27/004
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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 F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C27/004Radial sealing elements specially adapted for intermeshing-engagement type pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll machine with injection and refrigeration system
    • Patent number 12,135,026
    • Issue date Nov 5, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Dimitri Gossen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roots pump containing rotors that capture and discharge a foreign s...
    • Patent number 11,976,656
    • Issue date May 7, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Masaya Yoshida
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Seal assembly for high pressure single screw compressor
    • Patent number 11,867,180
    • Issue date Jan 9, 2024
    • Copeland Industrial LP
    • Abhijit Pande
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid-injected compressor installation
    • Patent number 11,841,015
    • Issue date Dec 12, 2023
    • Atlas Copco Airpower, naamloze vennootschap
    • Kristof Adrien Laura Martens
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roots pump having a seal member with first and second projections
    • Patent number 11,353,021
    • Issue date Jun 7, 2022
    • Kabushiki Kaisha Toyota Jidoshokki
    • Fumiya Shinoda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Single-screw compressor
    • Patent number 11,047,388
    • Issue date Jun 29, 2021
    • Daikin Industries, Ltd.
    • Hiromichi Ueno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealed rotor assembly for a rotary fluid device
    • Patent number 10,436,200
    • Issue date Oct 8, 2019
    • PeopleFlo Manufacturing, Inc.
    • William R. Blankemeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw machine and method for operating the same
    • Patent number 10,060,435
    • Issue date Aug 28, 2018
    • MAN Energy Solutions SE
    • Jürgen Wennemar
    • 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

    Gerotor with reduced leakage
    • Patent number 9,657,734
    • Issue date May 23, 2017
    • Mark T. Holtzapple
    • 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

    Apparatus for sealing a pump chamber of a rotary lobe pump, and a r...
    • Patent number 9,212,659
    • Issue date Dec 15, 2015
    • Hugo Vogelsang Maschinenbau GmbH
    • Paul Krampe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor including a single screw rotor with first and seco...
    • Patent number 8,992,195
    • Issue date Mar 31, 2015
    • Daikin Industries, Ltd.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with adjacent helical grooves selectively opening...
    • Patent number 8,845,311
    • Issue date Sep 30, 2014
    • Daikin Industries, Ltd.
    • Hideki Fujiwara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-inlet supercharger for EGR flow control
    • Patent number 8,726,660
    • Issue date May 20, 2014
    • Ford Global Technologies, LLC
    • Brad Alan Boyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a gate rotor assembly with pressure introdu...
    • Patent number 8,523,548
    • Issue date Sep 3, 2013
    • Daikin Industries, Ltd.
    • Mohammod Anwar Hossain
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-inlet supercharger for EGR flow control
    • Patent number 8,099,957
    • Issue date Jan 24, 2012
    • Ford Global Technologies, LLC
    • Brad Alan Boyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary blower with forced external air cooling
    • Patent number 6,817,844
    • Issue date Nov 16, 2004
    • Hi-Bar Blowers, Inc.
    • Qi Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double screw rotor assembly having means to automatically adjust th...
    • Patent number 6,257,854
    • Issue date Jul 10, 2001
    • Industrial Technology Research Institute
    • Hong-Sheng Fang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine
    • Patent number 6,116,879
    • Issue date Sep 12, 2000
    • Tochigi Fuji Sangyo Kabushiki Kaisha
    • Masao Teraoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with wiper insert
    • Patent number 6,053,717
    • Issue date Apr 25, 2000
    • Dixon; Randy J.
    • Randy J. Dixon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid rotary apparatus having tapered rotors
    • Patent number 5,533,887
    • Issue date Jul 9, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Teruo Maruyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston blower with foamed synthetic material surfaces runnin...
    • Patent number 4,846,642
    • Issue date Jul 11, 1989
    • Wankel GmbH
    • Roland Nuber
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3282495
    • Patent number 3,282,495
    • Issue date Nov 1, 1966
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240084800
    • Publication date Mar 14, 2024
    • HANON SYSTEMS
    • Kwang Jin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll machine with injection and refrigeration system
    • Publication number 20240060493
    • Publication date Feb 22, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Dimitri Gossen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll machine and refrigeration system
    • Publication number 20240060492
    • Publication date Feb 22, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Christian SCHARER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20230184251
    • Publication date Jun 15, 2023
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID-INJECTED COMPRESSOR INSTALLATION
    • Publication number 20210095668
    • Publication date Apr 1, 2021
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Kristof Adrien Laura MARTENS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL ASSEMBLY FOR HIGH PRESSURE SINGLE SCREW COMPRESSOR
    • Publication number 20200300244
    • Publication date Sep 24, 2020
    • VILTER MANUFACTURING LLC
    • Abhijit Pande
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SINGLE-SCREW COMPRESSOR
    • Publication number 20200003212
    • Publication date Jan 2, 2020
    • DAIKIN INDUSTRIES, LTD.
    • Hiromichi UENO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALED ROTOR ASSEMBLY FOR A ROTARY FLUID DEVICE
    • Publication number 20180231015
    • Publication date Aug 16, 2018
    • PEOPLEFLO MANUFACTURING, INC.
    • William R. Blankemeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System and Method for Improved Performance of Gerotor Compressors a...
    • Publication number 20170321698
    • Publication date Nov 9, 2017
    • StarRotor Corporation
    • Mark T. Holtzapple
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Machine And Method For Operating The Same
    • Publication number 20160369801
    • Publication date Dec 22, 2016
    • Man Diesel & Turbo SE
    • Jürgen WENNEMAR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SECTIONAL SEALING SYSTEM FOR ROTARY SCREW COMPRESSOR
    • Publication number 20160177951
    • Publication date Jun 23, 2016
    • GHH-Rand Schraubenkompressoren GmbH
    • Jan Hauser
    • 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

    GEAR PUMP
    • Publication number 20160108914
    • Publication date Apr 21, 2016
    • JOHNSON ELECTRIC S.A.
    • Mohanlal RAMADOSS
    • 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

    System and Method for Improved Performance of Gerotor Compressors a...
    • Publication number 20150267702
    • Publication date Sep 24, 2015
    • StarRotor Corporation
    • Mark T. Holtzapple
    • 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

    Apparatus for Sealing a Pump Chamber of a Rotary Lobe Pump, and a R...
    • Publication number 20140294648
    • Publication date Oct 2, 2014
    • Paul Krampe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR GAS EXHAUST PUMP, METHOD FOR MANUFACTURING THE SAME, PUM...
    • Publication number 20140161600
    • Publication date Jun 12, 2014
    • TOHOKU UNIVERSITY
    • Masamichi Iwaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20130022487
    • Publication date Jan 24, 2013
    • Joma-Polytec GmbH
    • Torsten Helle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual-Inlet Supercharger for EGR Flow Control
    • Publication number 20120124996
    • Publication date May 24, 2012
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Brad Alan Boyer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GATE ROTOR AND SCREW COMPRESSOR
    • Publication number 20110165009
    • Publication date Jul 7, 2011
    • DAIKIN INDUSTRIES, LTD.
    • Mohammod Anwar Hossain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Dual-Inlet Supercharger for EGR Flow Control
    • Publication number 20110131980
    • Publication date Jun 9, 2011
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Brad Alan Boyer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20100284848
    • Publication date Nov 11, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Hideki Fujiwara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20100278678
    • Publication date Nov 4, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Hideyuki Gotou
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SINGLE-SCREW COMPRESSOR
    • Publication number 20100278677
    • Publication date Nov 4, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Mohammod Anwar Hossain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20100260639
    • Publication date Oct 14, 2010
    • DAIKIN INDUSTRIES, LTD.
    • Mohammod Anwar Hossain
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Reflux gas compressor
    • Publication number 20080181803
    • Publication date Jul 31, 2008
    • John F. Weinbrecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...