TREA

by using a valve in a system with several pumping chambers wherein the flow-path through the chambers can be changed

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  • CPC
  • F04B1/063
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B1/00Multi-cylinder machines or pumps characterised by number or arrangements of cylinders

Current Industry

F04B1/063by using a valve in a system with several pumping chambers wherein the flow-path through the chambers can be changed
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for hydraulically operating a drive wheel of a wellbore trac...
    • Patent number 11,846,147
    • Issue date Dec 19, 2023
    • Altus Intervention (Technologies) AS
    • Gerald Mcinally
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Micromechanical devices with mechanical actuators
    • Patent number 11,639,718
    • Issue date May 2, 2023
    • Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    • Holger Conrad
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Grant

    Controller for hydraulic pump
    • Patent number 11,441,549
    • Issue date Sep 13, 2022
    • Danfoss Power Solutions GmbH & Co. OHG
    • Alexis Dole
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine having two cylinder capacities and a safety valve
    • Patent number 10,697,442
    • Issue date Jun 30, 2020
    • Poclain Hydraulics Industrie
    • Loic Bonnard
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Distribution device for a hydraulic machine and a hydraulic machine...
    • Patent number 10,690,109
    • Issue date Jun 23, 2020
    • Poclain Hydraulics Industrie
    • Dominique Costaz
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Industrial system with synthetically commutated variable displaceme...
    • Patent number 10,180,135
    • Issue date Jan 15, 2019
    • ARTEMIS INTELLIGENT POWER LIMITED
    • Niall James Caldwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump assemblies and use thereof in hydraulic circuits
    • Patent number 10,125,750
    • Issue date Nov 13, 2018
    • HUSCO International, Inc.
    • Joe Pfaff
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pump unit for supplying fuel, preferably diesel oil, to an internal...
    • Patent number 10,107,244
    • Issue date Oct 23, 2018
    • Robert Bosch GmbH
    • Alessandro De Luca
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic transmission
    • Patent number 9,976,641
    • Issue date May 22, 2018
    • Artemis Intelligent Power Limited
    • Niall Caldwell
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Hydrostatic radial piston machine
    • Patent number 9,784,252
    • Issue date Oct 10, 2017
    • Juergen Berbuer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Intravenous piston pump disposable and mechanism
    • Patent number 9,566,385
    • Issue date Feb 14, 2017
    • CareFusion 303, Inc.
    • Brett H. Franks
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Double hydraulic machine with a distribution valve and a driving sy...
    • Patent number 9,404,485
    • Issue date Aug 2, 2016
    • Poclain Hydraulics Industrie
    • Pierre-Louis Houillon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Fluid-working machines
    • Patent number 8,347,778
    • Issue date Jan 8, 2013
    • Artemis Intelligent Power Limited
    • Niall James Caldwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump
    • Patent number 5,032,065
    • Issue date Jul 16, 1991
    • Nissan Motor Co., Ltd.
    • Sigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressurized fluid mechanism with two cubic capacities and closed ci...
    • Patent number 5,001,964
    • Issue date Mar 26, 1991
    • Poclain Hydraulics
    • Bernard Allart
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Radial piston pump
    • Patent number 4,930,994
    • Issue date Jun 5, 1990
    • Alfred Teves GmbH
    • Ludwig Budecker
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston machine with changeable displacement
    • Patent number 4,807,519
    • Issue date Feb 28, 1989
    • Mannesmann Rexroth GmbH
    • Peter Wusthof
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Fluid pressure machines
    • Patent number 4,356,761
    • Issue date Nov 2, 1982
    • Sauer United Kingdom Limited
    • Alan Cameron-Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Radial piston pump
    • Patent number 4,257,750
    • Issue date Mar 24, 1981
    • G.L. Rexroth G.m.b.H.
    • Jorg Dantlgraber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder hydraulic mechanism
    • Patent number 4,157,056
    • Issue date Jun 5, 1979
    • Poclain Hydraulics
    • Bernard R. Allart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3578879
    • Patent number 3,578,879
    • Issue date May 18, 1971
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    2074618
    • Patent number 2,074,618
    • Issue date Mar 23, 1937
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Device for Hydraulically Operating a Drive Wheel of a Wellbore Trac...
    • Publication number 20210246745
    • Publication date Aug 12, 2021
    • Altus Intervention (Technologies) AS
    • Gerald McInally
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    PUMP UNIT FOR SUPPLYING FUEL, PREFERABLY DIESEL OIL, TO AN INTERNAL...
    • Publication number 20170306910
    • Publication date Oct 26, 2017
    • ROBERT BOSCH GmbH
    • Alessandro De Luca
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROLLER FOR HYDRAULIC PUMP
    • Publication number 20170306936
    • Publication date Oct 26, 2017
    • DANFOSS POWER SOLUTIONS GMBH & CO OHG
    • Alexis Dole
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDROSTATIC RADIAL PISTON MACHINE
    • Publication number 20170138335
    • Publication date May 18, 2017
    • Moog GmbH
    • Dirk Becher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPROVED DOUBLE HYDRAULIC MACHINE WITH A DISTRIBUTION VALVE AND A D...
    • Publication number 20140227113
    • Publication date Aug 14, 2014
    • POCLAIN HYDRAULICS INDUSTRIE
    • Pierre-Louis Houillon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HYDROSTATIC RADIAL PISTON MACHINE
    • Publication number 20130145929
    • Publication date Jun 13, 2013
    • Juergen Berbuer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE-DISPLACEMENT MACHINE
    • Publication number 20110041681
    • Publication date Feb 24, 2011
    • Michael Duerr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fluid-Working Machines
    • Publication number 20080206073
    • Publication date Aug 28, 2008
    • Niall James Caldwell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...