TREA

Sealing arrangements in rotary-piston machines or pumps

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  • F04C15/0003
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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 F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

Current Industry

F04C15/0003Sealing arrangements in rotary-piston machines or pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High efficiency seal oil system
    • Patent number 12,173,844
    • Issue date Dec 24, 2024
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Axel Jaeschke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump, in particular for providing a supply to a transmission...
    • Patent number 12,152,583
    • Issue date Nov 26, 2024
    • FTE Automotive GmbH
    • Roland Stoessel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing and compliance in a scroll compressor
    • Patent number 12,098,721
    • Issue date Sep 24, 2024
    • Copeland Europe GmbH
    • Xiaogeng Su
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump
    • Patent number 12,044,236
    • Issue date Jul 23, 2024
    • FTE Automotive GmbH
    • Markus Dirauf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor unit and eccentric screw pump
    • Patent number 12,018,687
    • Issue date Jun 25, 2024
    • VISCOTEC PUMPEN-U. DOSIERTECHNIK GMBH
    • Horst Kelsch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Energy transfer machine for corrosive fluids
    • Patent number 11,965,509
    • Issue date Apr 23, 2024
    • Genesis Advanced Technology Inc.
    • James Brent Klassen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable displacement oil pump including swing member
    • Patent number 11,905,948
    • Issue date Feb 20, 2024
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Helical spindle pump with a single-entry design
    • Patent number 11,781,545
    • Issue date Oct 10, 2023
    • Jung & CO. Geratebau GMBH
    • Weshen Christov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,761,442
    • Issue date Sep 19, 2023
    • HANON SYSTEMS
    • Kyung Jae Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Serviceable fluid pump
    • Patent number 11,746,781
    • Issue date Sep 5, 2023
    • Pitco Frialator, Inc.
    • Steven Savage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump with axial compensation, outlet gasket for a pump and p...
    • Patent number 11,608,828
    • Issue date Mar 21, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electric hydraulic actuator
    • Patent number 11,560,891
    • Issue date Jan 24, 2023
    • KYB Corporation
    • Daisuke Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Horizontally split screw-spindle pump
    • Patent number 11,530,699
    • Issue date Dec 20, 2022
    • KLAUS UNION GMBH & CO. KG
    • Thomas Eschner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pumping system
    • Patent number 11,493,035
    • Issue date Nov 8, 2022
    • Viking Pump, Inc.
    • Michael R. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 11,441,561
    • Issue date Sep 13, 2022
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk Borchers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump with improved seal assembly for control chamber
    • Patent number 11,421,685
    • Issue date Aug 23, 2022
    • STACKPOLE INTERNATIONAL ENGINEERED PRODUCTS, LTD.
    • Tuncay Bayo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump device
    • Patent number 11,274,667
    • Issue date Mar 15, 2022
    • Hitachi Astemo, Ltd.
    • Tomohiko Nakazono
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure pumping system
    • Patent number 11,204,032
    • Issue date Dec 21, 2021
    • Viking Pump, Inc.
    • Scott Meyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure balancing system for a fluid pump
    • Patent number 11,168,683
    • Issue date Nov 9, 2021
    • Exponential Technologies, Inc.
    • Kristjan Gottfried
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump device
    • Patent number 11,095,183
    • Issue date Aug 17, 2021
    • NIDEC TOSOK CORPORATION
    • Yoshiyuki Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid transmission device
    • Patent number 11,060,519
    • Issue date Jul 13, 2021
    • Gene-Huang Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Connection assembly with feed pump and elastic element
    • Patent number 11,022,113
    • Issue date Jun 1, 2021
    • Robert Bosch GmbH
    • Michael Sauter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump and balancer unit of oil pump integrated type
    • Patent number 10,941,681
    • Issue date Mar 9, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Daisuke Kato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary device having a circular guide ring
    • Patent number 10,851,777
    • Issue date Dec 1, 2020
    • WindTrans Systems Ltd
    • Dan Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston pump made of plastic
    • Patent number 10,823,168
    • Issue date Nov 3, 2020
    • Robert Bosch GmbH
    • Dan Barron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Systems and devices for pumping and controlling high temperature fl...
    • Patent number 10,808,694
    • Issue date Oct 20, 2020
    • Georgia Tech Research Corporation
    • Asegun Henry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Threaded spindle machine
    • Patent number 10,718,328
    • Issue date Jul 21, 2020
    • Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG
    • Markus Helpertz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump with rotating pumping element wear reduction
    • Patent number 10,584,701
    • Issue date Mar 10, 2020
    • DELPHI TECHNOLOGIES IP LIMITED
    • John G. Fischer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary device having a circular guide ring
    • Patent number 10,316,840
    • Issue date Jun 11, 2019
    • WindTrans Systems Ltd
    • Dan Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump for conveying a liquid, in particular an exhaust-gas cleaning...
    • Patent number 10,294,937
    • Issue date May 21, 2019
    • Continental Automotive GmbH
    • Jan Hodgson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Variable Displacement Oil Pump
    • Publication number 20240369060
    • Publication date Nov 7, 2024
    • Hitachi Astemo, Ltd.
    • Nobuaki SOGAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENERGY TRANSFER MACHINE FOR CORROSIVE FLUIDS
    • Publication number 20240271618
    • Publication date Aug 15, 2024
    • Genesis Advanced Technology Inc.
    • James Brent Klassen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH EFFICIENCY SEAL OIL SYSTEM
    • Publication number 20240183491
    • Publication date Jun 6, 2024
    • Circor Pumps North America, LLC
    • Axel Jaeschke
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SLIDING-POCKET VARIABLE-DISPLACEMENT PUMP WITH COMPENSATION CHAMBERS
    • Publication number 20240003346
    • Publication date Jan 4, 2024
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Dengfu Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR UNIT AND ECCENTRIC SCREW PUMP
    • Publication number 20230417241
    • Publication date Dec 28, 2023
    • VISCOTEC PUMPEN- U. DOSIERTECHNIK GMBH
    • Horst KELSCH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ENERGY TRANSFER MACHINE FOR CORROSIVE FLUIDS
    • Publication number 20230272794
    • Publication date Aug 31, 2023
    • Genesis Advanced Technology Inc.
    • James Brent Klassen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Sealing And Compliance In A Scroll Compressor
    • Publication number 20220412348
    • Publication date Dec 29, 2022
    • EMERSON CLIMATE TECHNOLOGIES GMBH
    • Xiaogeng SU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HELICAL SPINDLE PUMP WITH A SINGLE-ENTRY DESIGN
    • Publication number 20220381241
    • Publication date Dec 1, 2022
    • JUNG & CO. GERATEBAU GMBH
    • Weshen Christov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CRANKSHAFT MOUNTED COMPRESSOR
    • Publication number 20220282728
    • Publication date Sep 8, 2022
    • Volvo Car Corporation
    • Peter Kroon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220120272
    • Publication date Apr 21, 2022
    • HANON SYSTEMS
    • Kyung Jae LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Piston Machine and Method for Producing a Seal in a Rotary P...
    • Publication number 20220003117
    • Publication date Jan 6, 2022
    • Freefreeze GmbH
    • Merlin Bungart
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY PUMP WITH AXIAL COMPENSATION, OUTLET GASKET FOR A PUMP AND P...
    • Publication number 20210396226
    • Publication date Dec 23, 2021
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Claus WELTE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH SYMMETRICAL MOUNTING HOLES FOR ASYMMETRICAL MOUNTING ARRA...
    • Publication number 20210156377
    • Publication date May 27, 2021
    • FNA Group, Inc.
    • Gus Alexander
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMPING SYSTEM
    • Publication number 20210048023
    • Publication date Feb 18, 2021
    • VIKING PUMP, INC.
    • Michael R. Crawford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vane Pump
    • Publication number 20210025387
    • Publication date Jan 28, 2021
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk BORCHERS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC HYDRAULIC ACTUATOR
    • Publication number 20200370550
    • Publication date Nov 26, 2020
    • KYB Corporation
    • Daisuke TANAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20200362857
    • Publication date Nov 19, 2020
    • LG ELECTRONICS INC.
    • Jingyu Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID PUMP CAPABLE OF ACHIEVING PRESSURE EQUILIBRIUM
    • Publication number 20200332657
    • Publication date Oct 22, 2020
    • HSU-HUI CHANG
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SERVICEABLE FLUID PUMP
    • Publication number 20200332796
    • Publication date Oct 22, 2020
    • Pitco Frialator, Inc.
    • Steven Savage
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20200284255
    • Publication date Sep 10, 2020
    • Hitachi Automotive Systems, Ltd.
    • Tomohiko NAKAZONO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR UNIT AND ELECTRIC PUMP DEVICE
    • Publication number 20200106329
    • Publication date Apr 2, 2020
    • NIDEC TOSOK CORPORATION
    • Yoshiyuki KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP DEVICE
    • Publication number 20200106324
    • Publication date Apr 2, 2020
    • NIDEC TOSOK CORPORATION
    • Yoshiyuki KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE PUMPING SYSTEM
    • Publication number 20200025196
    • Publication date Jan 23, 2020
    • VIKING PUMP, INC.
    • Scott Meyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Connection Assembly with Feed Pump and Elastic Element
    • Publication number 20190360484
    • Publication date Nov 28, 2019
    • ROBERT BOSCH GmbH
    • Michael Sauter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP AND BALANCER UNIT OF OIL PUMP INTEGRATED TYPE
    • Publication number 20190345852
    • Publication date Nov 14, 2019
    • Hitachi Automotive Systems, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Device Having a Circular Guide Ring
    • Publication number 20190264685
    • Publication date Aug 29, 2019
    • WindTrans Systems Ltd
    • Dan Patterson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Horizontally Split Screw-Spindle Pump
    • Publication number 20190249662
    • Publication date Aug 15, 2019
    • KLAUS UNION GMBH & CO. KG
    • Thomas Eschner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PUMP FOR CORROSIVE FLUIDS
    • Publication number 20180347563
    • Publication date Dec 6, 2018
    • Thomas Michael WOLLMANN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Threaded Spindle Machine
    • Publication number 20180291893
    • Publication date Oct 11, 2018
    • BRINKMANN PUMPEN K.H. BRINKMANN GMBH & CO. KG
    • Markus Helpertz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20180274539
    • Publication date Sep 27, 2018
    • NTN Corporation
    • Hajime ASADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...