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Radial sealings for working fluid

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  • F04C27/001
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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

F04C27/001Radial sealings for working fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sliding component
    • Patent number 12,135,030
    • Issue date Nov 5, 2024
    • Eagle Industry Co., Ltd.
    • Hiroshi Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and refrigeration device
    • Patent number 12,123,632
    • Issue date Oct 22, 2024
    • ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD.
    • Xiaohan Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with improved structure for easy installation
    • Patent number 12,116,999
    • Issue date Oct 15, 2024
    • HANGZHOU LVNENG NEW ENERGY VEHICLE PARTS CO., LTD.
    • Weili Guo
    • 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

    Aerostatic thrust bearing and method of aerostatically supporting a...
    • Patent number 12,065,934
    • Issue date Aug 20, 2024
    • TRANE INTERNATIONAL INC.
    • Jay H. Johnson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary compressor
    • Patent number 12,038,002
    • Issue date Jul 16, 2024
    • LG Electronics Inc.
    • Kiyoul Noh
    • 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

    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

    Vacuum device
    • Patent number 11,668,305
    • Issue date Jun 6, 2023
    • Pfeiffer Vacuum GmbH
    • Steffen Herrmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Scroll compressor with second intermediate cap to facilitate refrig...
    • Patent number 11,560,889
    • Issue date Jan 24, 2023
    • TRANE INTERNATIONAL INC.
    • Scott J. Smerud
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage compressor system with intercooler
    • Patent number 11,480,178
    • Issue date Oct 25, 2022
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor
    • Patent number 11,448,215
    • Issue date Sep 20, 2022
    • LG Electronics Inc.
    • Seokhwan Moon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor containing scroll self-rotation prevention arrang...
    • Patent number 11,415,132
    • Issue date Aug 16, 2022
    • LG Electronics Inc.
    • Changeol Jo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll fluid machine and scroll member used therein
    • Patent number 11,326,601
    • Issue date May 10, 2022
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,306,719
    • Issue date Apr 19, 2022
    • LG Electronics Inc.
    • Nayoung Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with mechanical seal
    • Patent number 11,306,722
    • Issue date Apr 19, 2022
    • FORUMS US, INC.
    • John Walton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Tip seal and scroll fluid machine using same
    • Patent number 11,236,749
    • Issue date Feb 1, 2022
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,181,109
    • Issue date Nov 23, 2021
    • LG Electronics Inc.
    • Nayoung Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive displacement rotary devices
    • Patent number 11,111,788
    • Issue date Sep 7, 2021
    • Mallen Research Limited Partnership
    • David Alton McDaniel
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Co-rotating compressor
    • Patent number 11,111,921
    • Issue date Sep 7, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll fluid machine having a different mesh clearance between the...
    • Patent number 11,078,906
    • Issue date Aug 3, 2021
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime Sato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump
    • Patent number 11,035,363
    • Issue date Jun 15, 2021
    • Taiho Kogyo Co., Ltd.
    • Satoshi Ikeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure changing device
    • Patent number 11,035,364
    • Issue date Jun 15, 2021
    • Sten Kreuger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concentric vane compressor
    • Patent number 11,022,118
    • Issue date Jun 1, 2021
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with floating seal
    • Patent number 10,975,868
    • Issue date Apr 13, 2021
    • Emerson Climate Technologies, Inc.
    • Pavan Pralhad Jorwekar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with liquid injection cooling
    • Patent number 10,962,012
    • Issue date Mar 30, 2021
    • HICOR TECHNOLOGIES, INC.
    • Pedro Santos
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hermetic compressor having a vane with guide portion
    • Patent number 10,883,502
    • Issue date Jan 5, 2021
    • LG Electronics Inc.
    • Seokhwan Moon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor including bearing and unloader assembly
    • Patent number 10,830,236
    • Issue date Nov 10, 2020
    • Emerson Climate Technologies, Inc.
    • Kirill M. Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mutual rotating scroll compressor
    • Patent number 10,815,994
    • Issue date Oct 27, 2020
    • LG Electronics Inc.
    • Jaesang Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Removable hydropad for an orbiting scroll
    • Patent number 10,724,520
    • Issue date Jul 28, 2020
    • HAMILTON SUNSTRAND CORPORATION
    • Richard Rusich
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR WITH IMPROVED STRUCTURE FOR EASY INSTALLATION
    • Publication number 20240218874
    • Publication date Jul 4, 2024
    • Hangzhou Lvneng New Energy Vehicle Parts Co., LTD.
    • WEILI GUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIALLY FLEXIBLE COMPRESSOR
    • Publication number 20240141897
    • Publication date May 2, 2024
    • Hangzhou Lvneng New Energy Vehicle Parts Co., LTD.
    • DAWEI GE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR FOR GENERATING OIL-FREE COMPRESSED AIR
    • Publication number 20240102470
    • Publication date Mar 28, 2024
    • OET GmbH
    • Christian BUSCH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SLIDING COMPONENT
    • Publication number 20230258181
    • Publication date Aug 17, 2023
    • EAGLE INDUSTRY CO., LTD.
    • Hiroshi SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE COMPRESSOR SYSTEM WITH INTERCOOLER
    • Publication number 20230144667
    • Publication date May 11, 2023
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Floating Seal Assembly
    • Publication number 20230123953
    • Publication date Apr 20, 2023
    • Emerson Climate Technologies, Inc.
    • James W. MCBEAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION DEVICE
    • Publication number 20220082309
    • Publication date Mar 17, 2022
    • ANHUI MEIZHI PRECISION MANUFACTURING CO., LTD.
    • Xiaohan ZHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY-VANE MECHANISM FOR ENGINES AND COMPRESSORS
    • Publication number 20210396231
    • Publication date Dec 23, 2021
    • Vladimir Shapovalov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    COMPRESSOR WITH LIQUID INJECTION COOLING
    • Publication number 20210396232
    • Publication date Dec 23, 2021
    • HICOR TECHNOLOGIES, INC.
    • John WALTON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Compressor Having Floating Seal Assembly
    • Publication number 20210340982
    • Publication date Nov 4, 2021
    • Emerson Climate Technologies, Inc.
    • James W. MCBEAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TIP SEAL AND SCROLL FLUID MACHINE USING SAME
    • Publication number 20210156382
    • Publication date May 27, 2021
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HERMETIC COMPRESSOR
    • Publication number 20210095669
    • Publication date Apr 1, 2021
    • LG Electronic Inc.
    • Seokhwan MOON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL FLUID MACHINE AND SCROLL MEMBER USED THEREIN
    • Publication number 20210071662
    • Publication date Mar 11, 2021
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM DEVICE
    • Publication number 20210017990
    • Publication date Jan 21, 2021
    • PFEIFFER VACUUM GMBH
    • Steffen HERRMANN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20200400144
    • Publication date Dec 24, 2020
    • LG Electronics Inc.
    • Changeol Jo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL FLUID MACHINE AND TIP SEAL
    • Publication number 20200309131
    • Publication date Oct 1, 2020
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Hajime SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR OPERATED COMPRESSOR
    • Publication number 20200232462
    • Publication date Jul 23, 2020
    • LG ELECTRONICS INC.
    • Ilyoung PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE COMPRESSOR SYSTEM WITH INTERCOOLER
    • Publication number 20200173438
    • Publication date Jun 4, 2020
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20190383288
    • Publication date Dec 19, 2019
    • LG ELECTRONICS INC.
    • Nayoung JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190360486
    • Publication date Nov 28, 2019
    • Mitsubishi Heavy Industries, Ltd.
    • Hirofumi HIRATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20190353163
    • Publication date Nov 21, 2019
    • LG ELECTRONICS INC.
    • Nayoung JEON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressure Changing Device
    • Publication number 20190154038
    • Publication date May 23, 2019
    • Sten KREUGER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20190101117
    • Publication date Apr 4, 2019
    • Taiho Kogyo Co., Ltd.
    • Satoshi IKEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POSITIVE DISPLACEMENT ROTARY DEVICES
    • Publication number 20190078438
    • Publication date Mar 14, 2019
    • MALLEN RESEARCH LIMITED PARTNERSHIP
    • David Alton MCDANIEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONCENTRIC VANE COMPRESSOR
    • Publication number 20190024661
    • Publication date Jan 24, 2019
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor With Floating Seal
    • Publication number 20190010944
    • Publication date Jan 10, 2019
    • Emerson Climate Technologies, Inc.
    • Pavan Pralhad JORWEKAR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor With Axial Flux Motor
    • Publication number 20180363654
    • Publication date Dec 20, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR ASSEMBLY FOR ROTARY COMPRESSOR
    • Publication number 20180291898
    • Publication date Oct 11, 2018
    • Randell Technologies, Inc.
    • Darryl Fleger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REMOVABLE HYDROPAD
    • Publication number 20180230998
    • Publication date Aug 16, 2018
    • Hamilton Sundstrand Corporation
    • Richard Rusich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING COMPRESSOR WITH MULTIPLE COMPRESSION MECHANISMS AND SYS...
    • Publication number 20180224171
    • Publication date Aug 9, 2018
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...