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Axial sealings for working fluid

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  • F04C27/005
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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 F04C27/00Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

Current Industry

F04C27/005Axial sealings for working fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Screw compressor
    • Patent number 12,110,889
    • Issue date Oct 8, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro Chiba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor of an electrical refrigerant drive and electrical...
    • Patent number 12,104,593
    • Issue date Oct 1, 2024
    • Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
    • Dennis Ryma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Retainer block bypass hole valve assembly arranged in non-orbiting...
    • Patent number 12,098,723
    • Issue date Sep 24, 2024
    • LG Electronics Inc.
    • Jeonghun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing and compliance in a scroll compressor
    • Patent number 12,098,721
    • Issue date Sep 24, 2024
    • Copeland Europe GmbH
    • Xiaogeng Su
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double sided oil film thrust bearing in a scroll pump
    • Patent number 12,098,642
    • Issue date Sep 24, 2024
    • Agilent Technologies, Inc.
    • Ronald J. Forni
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll pump having a biasing apparatus for axially movable fixed an...
    • Patent number 12,049,891
    • Issue date Jul 30, 2024
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having separate flow paths in communication with...
    • Patent number 12,049,892
    • Issue date Jul 30, 2024
    • Samsung Electronics Co., Ltd.
    • Mooseong Bae
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor with improved sealing performance of back pressur...
    • Patent number 12,044,237
    • Issue date Jul 23, 2024
    • HANGZHOU LVNENG NEW ENERGY VEHICLE PARTS CO., LTD.
    • Taojie Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll pump with a plurality of bellows sealing a plurality of adju...
    • Patent number 12,025,128
    • Issue date Jul 2, 2024
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation
    • Patent number 12,018,683
    • Issue date Jun 25, 2024
    • Copeland LP
    • Phillip M. Moore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air gap magnetic coupling with counterbalanced force
    • Patent number 12,015,320
    • Issue date Jun 18, 2024
    • Agilent Technologies, Inc.
    • Ronald J. Forni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 12,006,933
    • Issue date Jun 11, 2024
    • Copleand Climate Technologies (Suzhou) Co. Ltd.
    • Yue Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,976,655
    • Issue date May 7, 2024
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Tao Ye
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,976,654
    • Issue date May 7, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yuji Hashimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll type fluid machine
    • Patent number 11,971,034
    • Issue date Apr 30, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yoshio Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rescue mechanical seal and method
    • Patent number 11,946,545
    • Issue date Apr 2, 2024
    • S. Elwood Yandle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having floating seal assembly
    • Patent number 11,939,979
    • Issue date Mar 26, 2024
    • Copeland LP
    • James W. McBean
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Air injection enthalpy-increasing scroll compressor and refrigerati...
    • Patent number 11,905,953
    • Issue date Feb 20, 2024
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CO., LTD.
    • Weiheng Liang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid cooling of a scroll type compressor with liquid supply throu...
    • Patent number 11,898,557
    • Issue date Feb 13, 2024
    • Air Squared, Inc.
    • Nathan D. Nicholas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Suction/compression rotating mechanism, rotary compressor and rotar...
    • Patent number 11,873,813
    • Issue date Jan 16, 2024
    • Hai Nguyen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,859,615
    • Issue date Jan 2, 2024
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Chun Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric compressor
    • Patent number 11,773,850
    • Issue date Oct 3, 2023
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shiori Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having seal assembly
    • Patent number 11,767,846
    • Issue date Sep 26, 2023
    • Copeland LP
    • Jeffrey L. Berning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing structure and scroll air compressor having same
    • Patent number 11,725,657
    • Issue date Aug 15, 2023
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Huijun Wei
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High pressure scroll compressor
    • Patent number 11,703,052
    • Issue date Jul 18, 2023
    • Samsung Electronics Co., Ltd.
    • Yang Hee Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having floating seal assembly
    • Patent number 11,692,548
    • Issue date Jul 4, 2023
    • Emerson Climate Technologies, Inc.
    • James W. McBean
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Compressor having capacity modulation assembly
    • Patent number 11,635,078
    • Issue date Apr 25, 2023
    • Emerson Climate Technologies, Inc.
    • Masao Akei
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rescue mechanical seal and method
    • Patent number 11,608,894
    • Issue date Mar 21, 2023
    • S. Elwood Yandle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with enhanced stiffness at contact point between fixed a...
    • Patent number 11,598,337
    • Issue date Mar 7, 2023
    • LG Electronics Inc.
    • Jungsun Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having muffler plate
    • Patent number 11,578,725
    • Issue date Feb 14, 2023
    • Emerson Climate Technologies, Inc.
    • Yogesh S. Mahure
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY PISTON COMPRESSOR
    • Publication number 20240369061
    • Publication date Nov 7, 2024
    • Florian Karl AUSSERER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20240280104
    • Publication date Aug 22, 2024
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Ami FUJIWARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20240209855
    • Publication date Jun 27, 2024
    • PFEIFFER VACUUM TECHNOLOGY AG
    • Jonas BECKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240125324
    • Publication date Apr 18, 2024
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuji HASHIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20240018960
    • Publication date Jan 18, 2024
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20230101084
    • Publication date Mar 30, 2023
    • Samsung Electronics Co., Ltd.
    • Mooseong BAE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Scroll Type Fluid Machine
    • Publication number 20230033883
    • Publication date Feb 2, 2023
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Yoshio KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20220397115
    • Publication date Dec 15, 2022
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220381243
    • Publication date Dec 1, 2022
    • EMERSON CLIMATE TECHNOLOGIES (SUZHOU) CO., LTD.
    • Chun YANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP WITH FLOATING MOTOR COUPLER
    • Publication number 20220349403
    • Publication date Nov 3, 2022
    • DABIR SURFACES, INC.
    • Anatoliy NITSA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTER CAMSHAFT SCROLL PUMP
    • Publication number 20220341422
    • Publication date Oct 27, 2022
    • DABIR SURFACES, INC.
    • Anatoliy NITSA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20220307501
    • Publication date Sep 29, 2022
    • Kabushiki Kaisha Toyota Jidoshokki
    • Shiori YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Seal Assembly
    • Publication number 20220228590
    • Publication date Jul 21, 2022
    • Emerson Climate Technologies, Inc.
    • Jeffrey L. BERNING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Double Sided Oil Film Thrust Bearing in a Scroll Pump
    • Publication number 20220220852
    • Publication date Jul 14, 2022
    • Agilent Technologies, Inc.
    • Ronald J. FORNI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SUCTION/COMPRESSION ROTATING MECHANISM, ROTARY COMPRESSOR AND ROTAR...
    • Publication number 20220196016
    • Publication date Jun 23, 2022
    • Hai NGUYEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID COOLING OF A SCROLL TYPE COMPRESSOR WITH LIQUID SUPPLY THROU...
    • Publication number 20220170462
    • Publication date Jun 2, 2022
    • Air Squared, Inc.
    • Nathan D. Nicholas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation
    • Publication number 20220034317
    • Publication date Feb 3, 2022
    • Emerson Climate Technologies, Inc.
    • Phillip M. MOORE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING STRUCTURE AND SCROLL AIR COMPRESSOR HAVING SAME
    • Publication number 20220034322
    • Publication date Feb 3, 2022
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Huijun WEI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR GAP MAGNETIC COUPLING WITH COUNTERBALANCED FORCE
    • Publication number 20210348607
    • Publication date Nov 11, 2021
    • Agilent Technologies, Inc.
    • Ronald J. FORNI
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20210164470
    • Publication date Jun 3, 2021
    • Emerson Climate Technologies, Inc.
    • Masao AKEI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Oil-Free Scroll Air Compressor with Double Parallel Grooves on Both...
    • Publication number 20210148360
    • Publication date May 20, 2021
    • Zhejiang University
    • Shusheng Xiong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROOTS ROTOR FOR REMOVING DUST COAGULUM AND DROPLETS
    • Publication number 20210108639
    • Publication date Apr 15, 2021
    • OVG VACUUM TECHNOLOGY (SHANGHAI) CO., LTD.
    • Yi Rong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR OPERATED COMPRESSOR
    • Publication number 20210071663
    • Publication date Mar 11, 2021
    • LG ELECTRONICS INC.
    • Honghee PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20210017985
    • Publication date Jan 21, 2021
    • LG Electronics Inc.
    • Suchul KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20210010473
    • Publication date Jan 14, 2021
    • LG ELECTRONICS INC.
    • Jungsun CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation
    • Publication number 20210010472
    • Publication date Jan 14, 2021
    • Emerson Climate Technologies, Inc.
    • Phillip M. MOORE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH ECONOMIZER INJECTION
    • Publication number 20200408209
    • Publication date Dec 31, 2020
    • TRANE INTERNATIONAL INC.
    • Derrick Lepak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR-OPERATED COMPRESSOR
    • Publication number 20200386230
    • Publication date Dec 10, 2020
    • LG ELECTRONICS INC.
    • Joohyung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20200378385
    • Publication date Dec 3, 2020
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kotaro CHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR VEHICLE VACUUM PUMP ARRANGEMENT
    • Publication number 20200332799
    • Publication date Oct 22, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • STEFFEN SCHNURR
    • B60 - VEHICLES IN GENERAL