TREA

Labyrinth-sealing between piston and cylinder

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Industry

  • CPC
  • F04B39/045
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/045Labyrinth-sealing between piston and cylinder
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rod packing
    • Patent number 11,719,344
    • Issue date Aug 8, 2023
    • Compressor Products International, LLC
    • Pascal Mahieux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston seal structure for injector
    • Patent number 11,434,889
    • Issue date Sep 6, 2022
    • BEIJING BEIFEN-RUILI ANALYTICAL INSTRUMENT (GROUP) CO., LTD.
    • Lu Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Seal assembly for reciprocating compressor
    • Patent number 10,883,483
    • Issue date Jan 5, 2021
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device and method for preparing liquified natural gas (LNG) fuel
    • Patent number 9,273,675
    • Issue date Mar 1, 2016
    • Burckhardt Compression AG
    • Besim Fejzuli
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Rocking piston type compressor
    • Patent number 9,255,477
    • Issue date Feb 9, 2016
    • Max Co., Ltd.
    • Masatoshi Asai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Air conditioning system for an automobile
    • Patent number 6,591,624
    • Issue date Jul 15, 2003
    • Ullrich Hesse
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing arrangement on a piston-cylinder unit
    • Patent number 5,826,491
    • Issue date Oct 27, 1998
    • Anton Steiger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for guiding and centering a machine component
    • Patent number 5,779,455
    • Issue date Jul 14, 1998
    • Anton Steiger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid bearing with compliant linkage for centering reciprocating bo...
    • Patent number 5,525,845
    • Issue date Jun 11, 1996
    • Sunpower, Inc.
    • William T. Beale
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston machine able to be used as a compressor or motor
    • Patent number 5,479,846
    • Issue date Jan 2, 1996
    • Seref
    • Claude Trapp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor section in an easily assembled motor-compressor unit
    • Patent number 5,403,170
    • Issue date Apr 4, 1995
    • Whirlpool Europe B.V.
    • Vittorio Bianchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry run-high pressure stage of a multistage piston compressor
    • Patent number 5,007,331
    • Issue date Apr 16, 1991
    • Greiner; Peter
    • Peter Greiner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor with labyrinth sealing and active magnetic bearings
    • Patent number 4,889,039
    • Issue date Dec 26, 1989
    • Bernard F. Miller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry roughing pump having a gas film bearing
    • Patent number 4,873,913
    • Issue date Oct 17, 1989
    • Helix Technology Corporation
    • Gerald R. Pruitt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston assembly for a compressor or the like
    • Patent number 4,627,795
    • Issue date Dec 9, 1986
    • Linde Aktiengesellschaft
    • Hans-Helmut Schmitz-Montz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pistons
    • Patent number 4,048,975
    • Issue date Sep 20, 1977
    • F. B. J. Engineering Services Pty. Limited
    • William James Urquhart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3491654
    • Patent number 3,491,654
    • Issue date Jan 27, 1970
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3137439
    • Patent number 3,137,439
    • Issue date Jun 16, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3035879
    • Patent number 3,035,879
    • Issue date May 22, 1962
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2878990
    • Patent number 2,878,990
    • Issue date Mar 24, 1959
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2791372
    • Patent number 2,791,372
    • Issue date May 7, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1304615
    • Patent number 1,304,615
    • Issue date May 27, 1919
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    832956
    • Patent number 832,956
    • Issue date Oct 9, 1906
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    736735
    • Patent number 736,735
    • Issue date Aug 18, 1903
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    451209
    • Patent number 451,209
    • Issue date Apr 28, 1891
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    415097
    • Patent number 415,097
    • Issue date Nov 12, 1889
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    331831
    • Patent number 331,831
    • Issue date Dec 8, 1885
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    316492
    • Patent number 316,492
    • Issue date Apr 28, 1885
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    288037
    • Patent number 288,037
    • Issue date Nov 6, 1883
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    198391
    • Patent number 198,391
    • Issue date Dec 18, 1877
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROD PACKING
    • Publication number 20220120347
    • Publication date Apr 21, 2022
    • Compressor Products International, LLC
    • Pascal Mahieux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON SEAL STRUCTURE FOR INJECTOR
    • Publication number 20210025378
    • Publication date Jan 28, 2021
    • BEIJING BEIFEN-RUILI ANALYTICAL INSTRUMENT (GROUP) CO., LTD.
    • Lu CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Seal Assembly for Reciprocating Compressor
    • Publication number 20200102946
    • Publication date Apr 2, 2020
    • Air Products and Chemicals, Inc.
    • David Jonathan Chalk
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LABYRINTH SEALS FOR COMPRESSOR
    • Publication number 20180274527
    • Publication date Sep 27, 2018
    • Johnson Controls Technology Company
    • Paul W. Snell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HOUSING UPPER PART OF A LABYRINTH PISTON COMPRESSOR AND METHOD FOR...
    • Publication number 20170218935
    • Publication date Aug 3, 2017
    • Burckhardt Compression AG
    • Urs WEILENMANN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE AND METHOD FOR PREPARING LIQUIFIED NATURAL GAS (LNG) FUEL
    • Publication number 20140369858
    • Publication date Dec 18, 2014
    • Besim Fejzuli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BUFFER AIR FOR A LABYRINTH SEAL
    • Publication number 20120156005
    • Publication date Jun 21, 2012
    • Caterpillar Inc.
    • ENGWARD WILLIAM NIELSEN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROCKING PISTON TYPE COMPRESSOR
    • Publication number 20110277626
    • Publication date Nov 17, 2011
    • MAX Co., LTD.
    • Masatoshi ASAI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DEVICE AND METHOD FOR PREPARING LIQUEFIED NATURAL GAS (LNG) FUEL
    • Publication number 20110103976
    • Publication date May 5, 2011
    • Besim Fejzuli
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT