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Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids

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Industry

  • CPC
  • F04C27/00
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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

Current Industry

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

Sub Industries

F04C27/001Radial sealings for working fluid F04C27/002of rigid material F04C27/003of resilient material F04C27/004Radial sealing elements specially adapted for intermeshing-engagement type pumps F04C27/005Axial sealings for working fluid F04C27/006Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type pumps F04C27/007Sealings for working fluid between radially and axially moving parts F04C27/008for other than working fluid F04C27/009Shaft sealings specially adapted for pumps F04C27/02Liquid sealing for high-vacuum pumps or for compressors
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Mechanical Seal Assembly with Double-Sealing Properties and Low Pre...
    • Publication number 20250180020
    • Publication date Jun 5, 2025
    • FSI North America, Inc.
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELECTRIC PUMP AND MANUFACTURING METHOD FOR ELECTRIC PUMP
    • Publication number 20250163916
    • Publication date May 22, 2025
    • ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
    • Shuting ZHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PARALLEL CONNECTED MULTIPLE SHAFT ROOTS VACUUM PUMP
    • Publication number 20250146490
    • Publication date May 8, 2025
    • ELIVAC CO., LTD.
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL ASSEMBLIES AND COMPRESSORS INCLUDING THE SAME
    • Publication number 20250116272
    • Publication date Apr 10, 2025
    • Copeland LP
    • Kirill Michailovich Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20250101982
    • Publication date Mar 27, 2025
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Noriaki ARASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH REDUCED SEAL REQUIREMENTS
    • Publication number 20250052241
    • Publication date Feb 13, 2025
    • Edwards Limited
    • Cainan Long
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL ASSEMBLY FOR A ROTARY ENGINE HOUSING
    • Publication number 20250020061
    • Publication date Jan 16, 2025
    • Pratt & Whitney Canada Corp.
    • Johnny Vinski
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SCREW COMPRESSOR AND FREEZER
    • Publication number 20250012278
    • Publication date Jan 9, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Yoshiyuki UEMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20250003408
    • Publication date Jan 2, 2025
    • HANON SYSTEMS
    • Jong Hyun Jeon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NON-LUBRICATED COMPRESSOR WITH ABRADABLE SEALING ELEMENT AND RELATE...
    • Publication number 20240426300
    • Publication date Dec 26, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Pierre-Yves LUYCKX
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20240392785
    • Publication date Nov 28, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Shigeyuki YORIKANE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS
    • Publication number 20240309869
    • Publication date Sep 19, 2024
    • KAESER KOMPRESSOREN SE
    • Andreas Foerster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR
    • Publication number 20240301881
    • Publication date Sep 12, 2024
    • Sanden Corporation
    • Masanori TAGUCHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines
    • Publication number 20240280099
    • Publication date Aug 22, 2024
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • 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

    SEALING ARRANGEMENT FOR A DEVICE FOR DRIVING A COMPRESSOR
    • Publication number 20240254990
    • Publication date Aug 1, 2024
    • HANON SYSTEMS
    • Johannes Stausberg
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MODULAR STATOR FOR PROGRESSIVE CAVITY DEVICES
    • Publication number 20240247655
    • Publication date Jul 25, 2024
    • Roper Pump Company LLC
    • Trevor Mark Brasselle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY-COMPRESSION COMPRESSOR AND METHOD FOR OIL SEPARATION FOR A DRY-...
    • Publication number 20240229794
    • Publication date Jul 11, 2024
    • KAESER KOMPRESSOREN SE
    • Dirk SIMROSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    PUMP AND METHOD OF MANUFACTURING A SEALING
    • Publication number 20240209857
    • Publication date Jun 27, 2024
    • PFEIFFER VACUUM TECHNOLOGY AG
    • Bernd KOCI
    • 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

    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
    • 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

    UNIVERSAL PUMP BRACKET
    • Publication number 20240102471
    • Publication date Mar 28, 2024
    • VIKING PUMP, INC.
    • Justin PIERCE
    • 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

    SCROLL COMPRESSOR
    • Publication number 20240084800
    • Publication date Mar 14, 2024
    • HANON SYSTEMS
    • Kwang Jin Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll machine with injection and refrigeration system
    • Publication number 20240060493
    • Publication date Feb 22, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Dimitri Gossen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll machine and refrigeration system
    • Publication number 20240060492
    • Publication date Feb 22, 2024
    • Bitzer Kuehlmaschinenbau GmbH
    • Christian SCHARER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH CIRCULAR SURFACE TERMINATIONS
    • Publication number 20240044334
    • Publication date Feb 8, 2024
    • Mark W. Wood
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...