using a movable cam

Patents Grantslast 30 patents

  • Information Patent Grant

    Pendulum oil pump

    • Patent number 11,828,288
    • Issue date Nov 28, 2023
    • Mahle International GmbH
    • Liviu Marinica
    • 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

    Vane pump having a side member including a triangular-shaped protru...

    • Patent number 11,598,334
    • Issue date Mar 7, 2023
    • KYB Corporation
    • Fumiyasu Kato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Flow-optimised vane pump

    • Patent number 11,549,508
    • Issue date Jan 10, 2023
    • NIDEC GPM GmbH
    • Sebastian Sieder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary pump having an adjustable specific delivery volume and a pre...

    • Patent number 11,542,940
    • Issue date Jan 3, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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 lubricant vane pump

    • Patent number 11,396,811
    • Issue date Jul 26, 2022
    • Pierburg Pump Technology GmbH
    • Massimiliano Lazzerini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic automatic transmission bicycle

    • Patent number 11,345,439
    • Issue date May 31, 2022
    • Dong Won Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • 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

    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

    Automotive liquid pendulum vane pump

    • Patent number 11,193,484
    • Issue date Dec 7, 2021
    • Pierburg Pump Technology GmbH
    • Raffaele Squarcini
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Automotive variable mechanical lubricant pump

    • Patent number 11,125,229
    • Issue date Sep 21, 2021
    • Pierburg Pump Technology GmbH
    • Carmine Cuneo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic control apparatus and hydraulic control method

    • Patent number 10,801,494
    • Issue date Oct 13, 2020
    • Yamada Manufacturing Co., Ltd.
    • Yuji Senbongi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane oil pump with a relief passage covered by an inner rotor to pr...

    • Patent number 10,767,648
    • Issue date Sep 8, 2020
    • Ford Global Technologies, LLC
    • Abdelkrim Zouani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Two-stage variable-displacement oil pump

    • Patent number 10,746,173
    • Issue date Aug 18, 2020
    • Myunghwa Ind. Co., Ltd.
    • Hyuneu Jung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure axial piston pump with multiple discharge ports

    • Patent number 10,718,320
    • Issue date Jul 21, 2020
    • Clayton Note
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement pump

    • Patent number 10,677,245
    • Issue date Jun 9, 2020
    • Hitachi Automotive Systems, Ltd.
    • Atsushi Naganuma
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hydraulic automatic transmission bicycle

    • Patent number 10,611,432
    • Issue date Apr 7, 2020
    • Dong Won Lee
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pump comprising an adjusting device and a control valve for adjusti...

    • Patent number 10,544,784
    • Issue date Jan 28, 2020
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic machine

    • Patent number 10,487,657
    • Issue date Nov 26, 2019
    • Mathers Hydraulics Technologies Pty Ltd
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump exhibiting an adjustable delivery volume

    • Patent number 10,473,100
    • Issue date Nov 12, 2019
    • Schwabische Huttenwerke Automotive GmbH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil pump having plurality of outer rotor pieces

    • Patent number 10,458,239
    • Issue date Oct 29, 2019
    • Aisin Seiki Kabushiki Kaisha
    • Mitsuru Terada
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable displacement oil pump

    • Patent number 10,344,759
    • Issue date Jul 9, 2019
    • Toyota Jidosha Kabushiki Kaisha
    • Michitaka Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic conveying device and hydraulic system

    • Patent number 10,337,511
    • Issue date Jul 2, 2019
    • Mahle International GmbH
    • Peter Dodel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable lubricant vane pump

    • Patent number 10,247,186
    • Issue date Apr 2, 2019
    • Pierburg Pump Technology GmbH
    • Maurizio Moriglia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane spacing for a variable displacement oil pump

    • Patent number 10,227,979
    • Issue date Mar 12, 2019
    • Ford Global Technologies, LLC
    • Abdelkrim Zouani
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump with adjustable delivery volume

    • Patent number 10,125,764
    • Issue date Nov 13, 2018
    • Robert Bosch Automotive Steering GmbH
    • Johannes Burdiak
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC AUTOMATIC TRANSMISSION BICYCLE

    • Publication number 20220266948
    • Publication date Aug 25, 2022
    • Dong Won LEE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    VANE PUMP

    • Publication number 20200347844
    • Publication date Nov 5, 2020
    • KYB Corporation
    • Fumiyasu KATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE LUBRICANT VANE PUMP

    • Publication number 20200300092
    • Publication date Sep 24, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MASSIMILIANO LAZZERINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE

    • Publication number 20200284254
    • Publication date Sep 10, 2020
    • Hitachi Automotive Systems, Ltd.
    • Yukichi SUNAGA
    • 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

    HYDRAULIC AUTOMATIC TRANSMISSION BICYCLE

    • Publication number 20200172199
    • Publication date Jun 4, 2020
    • Dong Won LEE
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP

    • Publication number 20200109709
    • Publication date Apr 9, 2020
    • Yamada Manufacturing Co., Ltd.
    • Ryosuke Osaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDRAULIC CONTROL APPARATUS AND HYDRAULIC CONTROL METHOD

    • Publication number 20190017596
    • Publication date Jan 17, 2019
    • Yamada Manufacturing Co., Ltd.
    • Yuji Senbongi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PUMP DEVICE

    • Publication number 20180180043
    • Publication date Jun 28, 2018
    • Hitachi Automotive Systems, Ltd.
    • Shigeyuki MIYAZAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20180112661
    • Publication date Apr 26, 2018
    • KYB Corporation
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MACHINE

    • Publication number 20180106152
    • Publication date Apr 19, 2018
    • Norman Ian Mathers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP

    • Publication number 20180023564
    • Publication date Jan 25, 2018
    • Hitachi Automotive Systems, Ltd.
    • Atsushi NAGANUMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20170321696
    • Publication date Nov 9, 2017
    • KYB Corporation
    • Ryouichi NAGASAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY VANE PUMP

    • Publication number 20170314555
    • Publication date Nov 2, 2017
    • Hitachi Automotive Systems, Ltd.
    • Hiroki IMANAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP EXHIBITING AN ADJUSTABLE DELIVERY VOLUME

    • Publication number 20170167484
    • Publication date Jun 15, 2017
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Sven Peters
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP WITH ADJUSTABLE DELIVERY VOLUME

    • Publication number 20170045047
    • Publication date Feb 16, 2017
    • Robert Bosch Automotive Steering GMBH
    • Johannes Burdiak
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    VARIABLE DISPLACEMENT PUMP WITH ELECTRIC CONTROL OF DISPLACEMENT RE...

    • Publication number 20160222963
    • Publication date Aug 4, 2016
    • VHIT S.P.A.
    • Leonardo Cadeddu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP

    • Publication number 20160215775
    • Publication date Jul 28, 2016
    • AISIN SEIKI KABUSHIKI KAISHA
    • Mitsuru TERADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP APPARATUS

    • Publication number 20160177949
    • Publication date Jun 23, 2016
    • Hitachi Automotive Systems Steering, Ltd.
    • Yoshiaki KIDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT OIL PUMP

    • Publication number 20160153325
    • Publication date Jun 2, 2016
    • Hitachi Automotive Systems, Ltd.
    • Koji SAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE LUBRICANT VANE PUMP

    • Publication number 20160138592
    • Publication date May 19, 2016
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MAURIZIO MORIGLIA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20160084249
    • Publication date Mar 24, 2016
    • Hitachi Automotive Systems Steering, Ltd.
    • Satoshi Muramatsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC CONVEYING DEVICE AND HYDRAULIC SYSTEM

    • Publication number 20160040665
    • Publication date Feb 11, 2016
    • MAHLE International GmbH
    • Peter Dodel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20160010642
    • Publication date Jan 14, 2016
    • Kayaba Industry Co., Ltd.
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT LUBRICANT PUMP

    • Publication number 20160003243
    • Publication date Jan 7, 2016
    • PIERBURG PUMP TECHNOLOGY GMBH
    • BERNARDO CELATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP AND METHOD OF REGULATING THE DISPLA...

    • Publication number 20150322944
    • Publication date Nov 12, 2015
    • VHIT S.P.A.
    • Matteo CALDERONI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20150260186
    • Publication date Sep 17, 2015
    • HITACHI AUTOMOTIVE SYSTEMS STEERING, LTD.
    • Yoshiaki KIDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP

    • Publication number 20150252802
    • Publication date Sep 10, 2015
    • Hitachi Automotive Systems Steering, Ltd.
    • Hiroki IMANAGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT TRANSMISSION PUMP AND CONTROLLER WITH ADAPTIV...

    • Publication number 20150226216
    • Publication date Aug 13, 2015
    • Magna Powertrain Bad Homburg GmbH
    • Thilo Mauser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP AND POWER STEERING SYSTEM

    • Publication number 20150226215
    • Publication date Aug 13, 2015
    • Hitachi Automotive Systems Steering, Ltd.
    • Yukio Uchida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...