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Compensation of the difference in flow rate in closed fluid circuits using differential actuators

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  • CPC
  • F15B2211/785
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F15Hydraulics devices F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL FLUID-PRESSURE ACTUATORS F15B2211/00Circuits for servomotor systems

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F15B2211/785Compensation of the difference in flow rate in closed fluid circuits using differential actuators
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic system for a mobile rescue stretcher and mobile rescue st...
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    • Issue date Jun 20, 2023
    • HAWE Hydraulik SE
    • Christian Hart
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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    Hydraulic axis with energy storage feature
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    • Issue date Nov 29, 2022
    • Bosch Rexroth Corporation
    • Royce Gerngross
    • B30 - PRESSES
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    Construction machine
    • Patent number 11,499,296
    • Issue date Nov 15, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    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

    Prime mover system and methods utilizing balanced flow within bi-di...
    • Patent number 11,326,626
    • Issue date May 10, 2022
    • AOI
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Electro-hydrostatic drive system
    • Patent number 11,261,884
    • Issue date Mar 1, 2022
    • Moog GmbH
    • Werner Händle
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Logic-controlled flow compensation circuit for operating single-rod...
    • Patent number 11,060,533
    • Issue date Jul 13, 2021
    • University of Manitoba
    • Gustavo Koury Costa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pump-controlled hydraulic circuits for operating a differential hyd...
    • Patent number 10,927,856
    • Issue date Feb 23, 2021
    • University of Manitoba
    • Ahmed A. Imam
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • 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

    Cylinder driving device
    • Patent number 10,794,404
    • Issue date Oct 6, 2020
    • KYB Corporation
    • Daisuke Tanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Construction machine
    • Patent number 10,767,674
    • Issue date Sep 8, 2020
    • Hitachi Construction Machinery Co., Ltd.
    • Takamasa Kai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive with rapid stroke and load stroke
    • Patent number 10,718,357
    • Issue date Jul 21, 2020
    • Voith Patent GmbH
    • Bert Brahmer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Prime mover system and methods utilizing balanced flow within bi-di...
    • Patent number 10,598,193
    • Issue date Mar 24, 2020
    • AOI
    • Daniel Maurice Lerner
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Apparatus and methods for manual override of hydraulic choke or val...
    • Patent number 10,472,924
    • Issue date Nov 12, 2019
    • Schlumberger Technology Corporation
    • Christopher D. Nicholson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Work machine
    • Patent number 10,370,824
    • Issue date Aug 6, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Kenji Hiraku
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    Hydraulic system having regeneration and hybrid start
    • Patent number 10,344,784
    • Issue date Jul 9, 2019
    • Caterpillar Inc.
    • Jeremy Todd Peterson
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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    Method of increasing electro-hydrostatic actuator piston velocity
    • Patent number 10,309,429
    • Issue date Jun 4, 2019
    • Parker-Hannifin Corporation
    • Ralf Gomm
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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    Working machine
    • Patent number 10,184,225
    • Issue date Jan 22, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Kenji Hiraku
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • 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

    Cylinder driving apparatus
    • Patent number 10,066,650
    • Issue date Sep 4, 2018
    • KYB Corporation
    • Daisuke Tanaka
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Metering check valve
    • Patent number 10,054,137
    • Issue date Aug 21, 2018
    • Parker-Hannifin Corporation
    • David John Anderson
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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    Hydraulic system for work machine
    • Patent number 9,938,691
    • Issue date Apr 10, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Kenji Hiraku
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic drive with rapid stroke and load stroke
    • Patent number 9,903,394
    • Issue date Feb 27, 2018
    • Voith Patent GmbH
    • Bert Brahmer
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Hydraulic driving system
    • Patent number 9,879,405
    • Issue date Jan 30, 2018
    • Hitachi Construction Machinery Co., Ltd.
    • Teppei Saitoh
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve device
    • Patent number 9,869,400
    • Issue date Jan 16, 2018
    • Hydac Fluidtechnik GmbH
    • Frank Schulz
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Fail-safe actuation system
    • Patent number 9,850,916
    • Issue date Dec 26, 2017
    • MOOG GmbH
    • Achim Helbig
    • G05 - CONTROLLING REGULATING
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    Driving device for work machine and work machine equipped therewith
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    • Issue date Dec 19, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Juri Shimizu
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    Hydraulic drive system
    • Patent number 9,845,814
    • Issue date Dec 19, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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    Hydraulic system for construction machine
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    • Issue date Nov 28, 2017
    • Doosan Infracore Co., Ltd.
    • Yong Lak Cho
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    Hydraulic drive system
    • Patent number 9,810,246
    • Issue date Nov 7, 2017
    • Komatsu Ltd.
    • Teruo Akiyama
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents