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Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement

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  • F04C2/088
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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 F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/088Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Positive displacement pump with pressure relief
    • Patent number 11,976,659
    • Issue date May 7, 2024
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump with floating bearing with receiver faces
    • Patent number 11,852,142
    • Issue date Dec 26, 2023
    • IHI Corporation
    • Kenji Takamiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 11,408,442
    • Issue date Aug 9, 2022
    • Project Phoenix, LLC
    • Thomas Afshari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    High volume pump system
    • Patent number 11,365,732
    • Issue date Jun 21, 2022
    • Laverne Schumann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with bleed mechanism for reducing cavitation
    • Patent number 11,149,729
    • Issue date Oct 19, 2021
    • EATON INTELLIGENT POWER LIMITED
    • Jubin Tom George
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement pump with pressure relief
    • Patent number 11,060,520
    • Issue date Jul 13, 2021
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump for venting trapped volume
    • Patent number 11,028,847
    • Issue date Jun 8, 2021
    • Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg
    • Lyle Ward
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-phase pump with cooled liquid reservoir
    • Patent number 10,962,002
    • Issue date Mar 30, 2021
    • Flowserve Management Company
    • Alejandro Fratini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump
    • Patent number 10,890,180
    • Issue date Jan 12, 2021
    • SUBARU CORPORATION
    • Shinya Horie
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Enhancing fluid flow in gerotor systems
    • Patent number 10,890,181
    • Issue date Jan 12, 2021
    • Boundary Lubrication Systems, L.L.C.
    • Travis Rosenbarger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 10,808,732
    • Issue date Oct 20, 2020
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reduction of cavitation in gear pumps
    • Patent number 10,634,135
    • Issue date Apr 28, 2020
    • HAMILTON SUNSTRAND CORPORATION
    • James S. Elder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plate gear pump and hydraulic centering pins
    • Patent number 10,626,865
    • Issue date Apr 21, 2020
    • AKWEL SA
    • Matthieu Bardin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 10,563,653
    • Issue date Feb 18, 2020
    • Hamilton Sundstrand Corporation
    • Lubomir A. Ribarov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gerotor assembly having an oil groove
    • Patent number 10,480,507
    • Issue date Nov 19, 2019
    • GM Global Technology Operations LLC
    • Sean M McGowan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gears and gear pumps
    • Patent number 10,443,597
    • Issue date Oct 15, 2019
    • Hamilton Sundstrand Corporation
    • Lubomir A. Ribarov
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for an engine
    • Patent number 10,113,546
    • Issue date Oct 30, 2018
    • Caterpillar Inc.
    • Michael D. Klimes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    System to pump fluid and control thereof
    • Patent number 10,072,676
    • Issue date Sep 11, 2018
    • Project Phoenix, LLC
    • Thomas Afshari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Gear pump
    • Patent number 9,945,376
    • Issue date Apr 17, 2018
    • Hamilton Sundstrand Corporation
    • Lubomir A. Ribarov
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Gear pump bearing dam
    • Patent number 9,932,980
    • Issue date Apr 3, 2018
    • Woodward, Inc.
    • Adam F. Czerwonka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump with deflector in fluid intake for diverting fluid toward...
    • Patent number 9,915,263
    • Issue date Mar 13, 2018
    • Steyr Motors GmbH
    • Thomas Bramberger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gerotor pump for a vehicle
    • Patent number 9,879,672
    • Issue date Jan 30, 2018
    • Ford Global Technologies, LLC
    • Mohammad Ali Moetakef
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump including an inner rotor having a plurality of teeth
    • Patent number 9,581,156
    • Issue date Feb 28, 2017
    • Aisin AW Co., Ltd.
    • Takahiro Torii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fuel pump for an internal combustion engine
    • Patent number 9,562,504
    • Issue date Feb 7, 2017
    • Hitachi, Ltd.
    • Yosuke Tanabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Oil pump
    • Patent number 9,309,883
    • Issue date Apr 12, 2016
    • Yamada Manufacturing Co. Ltd.
    • Kenichi Fujiki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump bearing dam
    • Patent number 9,303,644
    • Issue date Apr 5, 2016
    • Woodward, Inc.
    • Adam F. Czerwonka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear machine having a non-circular low-pressure connection
    • Patent number 9,140,258
    • Issue date Sep 22, 2015
    • Robert Bosch GmbH
    • Volker Fissler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear root geometry for increased carryover volume
    • Patent number 9,057,372
    • Issue date Jun 16, 2015
    • Hamilton Sundstrand Corporation
    • David L. Wakefield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reduced noise fluid pump
    • Patent number 8,936,445
    • Issue date Jan 20, 2015
    • GM Global Technology Operations LLC
    • Gary J. Hazelton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump
    • Patent number 8,920,148
    • Issue date Dec 30, 2014
    • Aisin Aw Co., Ltd.
    • Masateru Nakagawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP WITH PRESSURE RELIEF
    • Publication number 20230119471
    • Publication date Apr 20, 2023
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT PUMP WITH PRESSURE RELIEF
    • Publication number 20210332817
    • Publication date Oct 28, 2021
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System to Pump Fluid and Control Thereof
    • Publication number 20210239137
    • Publication date Aug 5, 2021
    • Project Phoenix, LLC
    • Thomas Afshari
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    GEAR PUMP FOR VENTING TRAPPED VOLUME
    • Publication number 20200277952
    • Publication date Sep 3, 2020
    • Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Wurzburg
    • Lyle WARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20200191142
    • Publication date Jun 18, 2020
    • AISIN SEIKI KABUSHIKI KAISHA
    • Yoshito UNO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gerotor Pump And Method Of Making Pressure Equalization In A Geroto...
    • Publication number 20200088191
    • Publication date Mar 19, 2020
    • Hanon Systems Bad Homburg GmbH
    • Tilo SCHAEFER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20200032789
    • Publication date Jan 30, 2020
    • AISIN SEIKI KABUSHIKI KAISHA
    • Hiroyuki KUROKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20190178246
    • Publication date Jun 13, 2019
    • AISIN SEIKI KABUSHIKI KAISHA
    • Atsushi OTSUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20190032653
    • Publication date Jan 31, 2019
    • SUBARU CORPORATION
    • Shinya HORIE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    System to Pump Fluid and Control Thereof
    • Publication number 20190010964
    • Publication date Jan 10, 2019
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REDUCTION OF CAVITATION IN GEAR PUMPS
    • Publication number 20180372091
    • Publication date Dec 27, 2018
    • HAMILTON SUNDSTRAND CORPORATION
    • James S. Elder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive displacement pump with pressure relief
    • Publication number 20180245585
    • Publication date Aug 30, 2018
    • Richard Wallace Hibbard
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP WITH DEFLECTOR IN FLUID INTAKE FOR DIVERTING FLUID TOWARD...
    • Publication number 20180202439
    • Publication date Jul 19, 2018
    • STEYR MOTORS GMBH
    • Thomas BRAMBERGER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEROTOR PUMP FOR A VEHICLE
    • Publication number 20170122316
    • Publication date May 4, 2017
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Mohammad Ali MOETAKEF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METALLIC INSERT WITH SMOOTH CONTOURS FOR USE WITH COMPOSITE WORKING...
    • Publication number 20160230813
    • Publication date Aug 11, 2016
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Leonard Barry Griffiths
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump Bearing Dam
    • Publication number 20160169224
    • Publication date Jun 16, 2016
    • WOODWARD, INC.
    • Adam F. Czerwonka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP HAVING GROOVED MOUNTING ADAPTER
    • Publication number 20140308150
    • Publication date Oct 16, 2014
    • Caterpillar Inc.
    • Randall Edward FURRER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR MACHINE HAVING A LOW-PRESSURE CONNECTION DEVIATING FROM THE CI...
    • Publication number 20140086779
    • Publication date Mar 27, 2014
    • ROBERT BOSCH GmbH
    • Volker Fissler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE
    • Publication number 20130243636
    • Publication date Sep 19, 2013
    • Hitachi, Ltd
    • Yosuke Tanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REDUCED NOISE FLUID PUMP
    • Publication number 20130039793
    • Publication date Feb 14, 2013
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Gary J. Hazelton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20120308423
    • Publication date Dec 6, 2012
    • Yamada Manufacturing Co., Ltd.
    • Kenichi FUJIKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR ROOT GEOMETRY FOR INCREASED CARRYOVER VOLUME
    • Publication number 20120141316
    • Publication date Jun 7, 2012
    • David L. Wakefield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL-GEAR TYPE FLUID DEVICE
    • Publication number 20120082579
    • Publication date Apr 5, 2012
    • Fuji Jukogyo Kabushiki Kaisha
    • Osamu MORI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP
    • Publication number 20110194968
    • Publication date Aug 11, 2011
    • AISIN AW CO., LTD.
    • Masateru NAKAGAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP WITH SLOTS IN TEETH TO REDUCE CAVITATION
    • Publication number 20100158739
    • Publication date Jun 24, 2010
    • Weishun Ni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear Pump
    • Publication number 20100124513
    • Publication date May 20, 2010
    • Hitachi Automotive Systems, Ltd.
    • Toshihiro KOIZUMI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    GEARED HYDRAULIC APPARATUS
    • Publication number 20100104463
    • Publication date Apr 29, 2010
    • SETTIMA MECCANICA S.R.L.
    • Mario Antonio Morselli
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDRAULIC MACHINE
    • Publication number 20100028186
    • Publication date Feb 4, 2010
    • Sauer-Danfoss ApS
    • Niels E. Sevelsted
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil pump and automatic transmission including the same
    • Publication number 20090180908
    • Publication date Jul 16, 2009
    • AISIN AW CO., LTD.
    • Akira Matsuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gear pump cavitation reduction
    • Publication number 20090148333
    • Publication date Jun 11, 2009
    • Hamilton Sundstrand Corporation
    • James S. Elder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...