TREA

by pivoting the cam around an eccentric axis

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  • CPC
  • F04C14/226
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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 F04C14/00Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations

Current Industry

F04C14/226by pivoting the cam around an eccentric axis
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel pump with determinant translating cam arrangement
    • Patent number 12,092,103
    • Issue date Sep 17, 2024
    • EATON INTELLIGENT POWER LIMITED
    • Martin Augustine Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement lubricant pump having a radial inlet or outle...
    • Patent number 11,982,272
    • Issue date May 14, 2024
    • Pierburg Pump Technology GmbH
    • Massimiliano Lazzerini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Rotary pump comprising an adjusting device
    • Patent number 11,873,812
    • Issue date Jan 16, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automotive variable mechanical lubricant pump
    • Patent number 11,852,137
    • Issue date Dec 26, 2023
    • Pierburg Pump Technology GmbH
    • Carmine Cuneo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Reduced-noise rotary pump
    • Patent number 11,719,240
    • Issue date Aug 8, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Fabian Eisele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vaned pump device having fluid pressure chambers located outside th...
    • Patent number 11,713,758
    • Issue date Aug 1, 2023
    • Hitachi Astemo, Ltd.
    • Tetsuya Ishii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump
    • Patent number 11,668,299
    • Issue date Jun 6, 2023
    • Hyundai Motor Company
    • DongHoon Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump with improved pressure control and...
    • Patent number 11,635,076
    • Issue date Apr 25, 2023
    • SLW Automotive Inc.
    • Dennis N. Koenig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Helical spring for a pump having an adjustable delivery volume
    • Patent number 11,592,021
    • Issue date Feb 28, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Winfried Baur
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pulsation phenomenon suppression mechanism of pump device
    • Patent number 11,578,719
    • Issue date Feb 14, 2023
    • Hitachi Astemo, Ltd.
    • Yukichi Sunaga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Dual vane pump with pre-pressurization passages
    • Patent number 11,519,407
    • Issue date Dec 6, 2022
    • Hamilton Sundstrand Corporation
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spool valve used in a variable vane pump
    • Patent number 11,493,036
    • Issue date Nov 8, 2022
    • Stackpole International Engineered Products, Ltd.
    • Paul Morton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure relief valve integrated in pivot pin of pump
    • Patent number 11,480,173
    • Issue date Oct 25, 2022
    • STACKPOLE INTERNATIONAL ENGINEERED PRODUCTS, LTD.
    • Abdalhameed Zubeidat
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual drive vane pump
    • Patent number 11,473,575
    • Issue date Oct 18, 2022
    • Hanon Systems EFP Canada Ltd.
    • Matthew Williamson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable volume chamber device
    • Patent number 11,434,904
    • Issue date Sep 6, 2022
    • QUEST ENGINES, LLC
    • Elario Dino Dalmas
    • 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

    Variable displacement pump and control method therefor
    • Patent number 11,415,128
    • Issue date Aug 16, 2022
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 11,268,508
    • Issue date Mar 8, 2022
    • Hitachi Astemo, Ltd.
    • Shigeyuki Miyazawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement lubricant vane pump
    • Patent number 11,268,509
    • Issue date Mar 8, 2022
    • Pierburg Pump Technology GmbH
    • Carmine Cuneo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement oil pump slide with bow spring
    • Patent number 11,242,852
    • Issue date Feb 8, 2022
    • GM Global Technology Operations LLC
    • Andy Bennett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement rotary vane pump
    • Patent number 11,236,746
    • Issue date Feb 1, 2022
    • O.M.P. OFFICINE MAZZOCCO PAGNONI S.R.L.
    • Giuseppe Lo Biundo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity pump and working oil supply system for internal c...
    • Patent number 11,215,178
    • Issue date Jan 4, 2022
    • Hitachi Astemo, Ltd.
    • Yasushi Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement pump
    • Patent number 11,168,684
    • Issue date Nov 9, 2021
    • Hitachi Astemo, Ltd.
    • Koji Saga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement-type oil pump
    • Patent number 10,947,972
    • Issue date Mar 16, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Atsushi Naganuma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity oil pump
    • Patent number 10,947,973
    • Issue date Mar 16, 2021
    • Hitachi Automotive Systems, Ltd.
    • Atsushi Naganuma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement vane pump
    • Patent number 10,947,971
    • Issue date Mar 16, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Satoshi Nonaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump
    • Patent number 10,920,773
    • Issue date Feb 16, 2021
    • Aisin Seiki Kabushiki Kaisha
    • Atsuo Isoda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump having adjustment ring containing guide portion w...
    • Patent number 10,900,484
    • Issue date Jan 26, 2021
    • Aisin Seiki Kabushiki Kaisha
    • Yuki Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable oil pump
    • Patent number 10,837,442
    • Issue date Nov 17, 2020
    • Aisin Seiki Kabushiki Kaisha
    • Takashi Hirano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Oil Pump
    • Publication number 20240344515
    • Publication date Oct 17, 2024
    • Hitachi Astemo, Ltd.
    • Daisuke KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH VARIABLE SUCTION/DISCHARGE AMOUNT AND DRIVE DEVICE COMPOS...
    • Publication number 20230136689
    • Publication date May 4, 2023
    • JUI-CHENG CHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP COMPRISING AN ADJUSTING DEVICE
    • Publication number 20230105862
    • Publication date Apr 6, 2023
    • Schwäbische Hüttenwerke Automotive GmbH
    • Moritz Raatschen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP COMPRISING A SETTING STRUCTURE SPRING HAVING AN OFFSET...
    • Publication number 20230032977
    • Publication date Feb 2, 2023
    • Schwäbische Hüttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20220381240
    • Publication date Dec 1, 2022
    • Toyoda Gosei Co., Ltd.
    • Shinya SAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20220316473
    • Publication date Oct 6, 2022
    • Hitachi Astemo, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE OIL PUMP
    • Publication number 20220316472
    • Publication date Oct 6, 2022
    • Hyundai Motor Company
    • DongHoon Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP
    • Publication number 20220307497
    • Publication date Sep 29, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP
    • Publication number 20220235766
    • Publication date Jul 28, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DUAL VANE PUMP WITH PRE-PRESSURIZATION PASSAGES
    • Publication number 20220128051
    • Publication date Apr 28, 2022
    • HAMILTON SUNDSTRAND CORPORATION
    • Edward W. Goy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HELICAL SPRING FOR A PUMP HAVING AN ADJUSTABLE DELIVERY VOLUME
    • Publication number 20220065248
    • Publication date Mar 3, 2022
    • Schwäbische Hüttenwerke Automotive GmbH
    • Winfried Baur
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual Drive Vane Pump
    • Publication number 20210355941
    • Publication date Nov 18, 2021
    • Hanon Systems EFP Canada Ltd.
    • Matthew WILLIAMSON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP APPARATUS
    • Publication number 20210324854
    • Publication date Oct 21, 2021
    • Hitachi Astemo, Ltd.
    • Jun SOEDA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REDUCED-NOISE ROTARY PUMP
    • Publication number 20210293238
    • Publication date Sep 23, 2021
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Fabian Eisele
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20210048025
    • Publication date Feb 18, 2021
    • Hitachi Automotive Systems, Ltd.
    • Tetsuya ISHII
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMOTIVE VARIABLE MECHANICAL LUBRICANT PUMP
    • Publication number 20200400142
    • Publication date Dec 24, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • CARMINE CUNEO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT ROTARY VANE PUMP
    • Publication number 20200378382
    • Publication date Dec 3, 2020
    • O.M.P. OFFICINE MAZZOCCO PAGNONI S.R.L.
    • Giuseppe LO BIUNDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPOOL VALVE USED IN A VARIABLE VANE PUMP
    • Publication number 20200370551
    • Publication date Nov 26, 2020
    • Stackpole International Engineered Products, Ltd.
    • Paul MORTON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE VOLUME CHAMBER DEVICE
    • Publication number 20200325895
    • Publication date Oct 15, 2020
    • Quest Engines, LLC
    • Elario Dino Dalmas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP SLIDE WITH BOW SPRING
    • Publication number 20200309120
    • Publication date Oct 1, 2020
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Andy Bennett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT VANE PUMP
    • Publication number 20200256335
    • Publication date Aug 13, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • Carmine Cuneo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP HAVING HOLLOW PIVOT PIN WITH FASTENER
    • Publication number 20200208630
    • Publication date Jul 2, 2020
    • Stackpole International Engineered Products, Ltd.
    • Lixia SHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ADAPTIVE PIVOT FOR VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20200072216
    • Publication date Mar 5, 2020
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Varoon Shankar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20200032793
    • Publication date Jan 30, 2020
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20200011326
    • Publication date Jan 9, 2020
    • NIPPON OIL PUMP CO., LTD.
    • Kunimitsu TAKANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP
    • Publication number 20190376509
    • Publication date Dec 12, 2019
    • Hitachi Automotive Systems, Ltd.
    • Shigeyuki MIYAZAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20190277280
    • Publication date Sep 12, 2019
    • AISIN SEIKI KABUSHIKI KAISHA
    • Kazuyoshi SHIMATANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP UNIT WITH INTEGRATED PISTON PUMP AND ELECTRIC MOTOR
    • Publication number 20190154036
    • Publication date May 23, 2019
    • ACTUANT CORPORATION
    • Marcel Gerardus Maria Nieuwenhuis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE VARIABLE-DISPLACEMENT OIL PUMP
    • Publication number 20190120227
    • Publication date Apr 25, 2019
    • MYUNGHWA IND. CO., LTD.
    • Hyuneu JUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER PUMP
    • Publication number 20180372095
    • Publication date Dec 27, 2018
    • O.M.P. OFFICINE MAZZOCCO PAGNONI S.R.L.
    • Giuseppe LO BIUNDO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES