TREA

Internal leakage control

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Industry

  • CPC
  • F04C29/0028
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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 F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Current Industry

F04C29/0028Internal leakage control
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary compressor
    • Patent number 11,746,783
    • Issue date Sep 5, 2023
    • LG Electronics Inc.
    • Seseok Seol
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial pressure relief in slide bearings of pumps
    • Patent number 11,719,242
    • Issue date Aug 8, 2023
    • Schwabische Huttenwerke Automotive GmbH
    • Claus Welte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary engine with housing having silicon carbide plate
    • Patent number 11,613,995
    • Issue date Mar 28, 2023
    • Pratt & Whitney Canada Corp.
    • David Gagnon-Martin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Motor driven compressor apparatus including swing pin
    • Patent number 11,566,620
    • Issue date Jan 31, 2023
    • Hyundai Mobis Co., Ltd.
    • In Won Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor driven compressor apparatus including swing pin
    • Patent number 11,268,511
    • Issue date Mar 8, 2022
    • Hyunda Mobis Co., Ltd.
    • In Won Park
    • 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

    Scroll compressor with back pressure chamber and back pressure pass...
    • Patent number 10,982,674
    • Issue date Apr 20, 2021
    • LG Electronics Inc.
    • Minjae Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 10,968,912
    • Issue date Apr 6, 2021
    • Mitsubishi Electric Corporation
    • Shuhei Koyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 10,550,843
    • Issue date Feb 4, 2020
    • Fujitsu General Limited
    • Junya Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor and air conditioning apparatus including the same
    • Patent number 10,502,209
    • Issue date Dec 10, 2019
    • Daikin Industries, Ltd.
    • Ryouta Nakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compression device to prevent backflow of compressed air toward...
    • Patent number 10,487,830
    • Issue date Nov 26, 2019
    • Nabtesco Corporation
    • Toru Mizufune
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor rotor, motor using this and electric compressor
    • Patent number 10,424,996
    • Issue date Sep 24, 2019
    • MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    • Masayuki Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Subsea multiphase pump or compressor with magnetic coupling and coo...
    • Patent number 10,393,115
    • Issue date Aug 27, 2019
    • FMC Technologies, Inc.
    • Christopher E. Cunningham
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Scroll compressor with movable non-orbiting scroll
    • Patent number 10,294,938
    • Issue date May 21, 2019
    • PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    • Yusuke Imai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gerotor with reduced leakage
    • Patent number 9,657,734
    • Issue date May 23, 2017
    • Mark T. Holtzapple
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Progressive cavity pump with uncoupled natural frequency
    • Patent number 9,506,468
    • Issue date Nov 29, 2016
    • PCM TECHNOLOGIES
    • Christian Bratu
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Scroll fluid machine having a sealed compression chamber
    • Patent number 9,133,846
    • Issue date Sep 15, 2015
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Yoshio Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure seal vent
    • Patent number 9,022,760
    • Issue date May 5, 2015
    • Trane International Inc.
    • Robert S. Bakkestuen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compression apparatus capable of preventing lubricant leakage
    • Patent number 7,296,983
    • Issue date Nov 20, 2007
    • Denso Corporation
    • Hiroshi Okada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gapless screw rotor device
    • Patent number 7,008,201
    • Issue date Mar 7, 2006
    • Imperial Research LLC
    • Charles K. Heizer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air compressor
    • Patent number 5,667,367
    • Issue date Sep 16, 1997
    • Kabushiki Kaisha Kobe Seiko Sho
    • Kazuo Kubo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-cooled compressor
    • Patent number 5,176,505
    • Issue date Jan 5, 1993
    • Kabushiki Kaisha Kobe Seiko Sho
    • Tsutomu Horii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary screw compressor with oil drainage
    • Patent number 5,037,282
    • Issue date Aug 6, 1991
    • Svenska Rotor Maskiner AB
    • Arnold Englund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Supercharger of an internal combustion engine having Roots pump
    • Patent number 4,594,992
    • Issue date Jun 17, 1986
    • Toyota Jidosha Kabushiki Kaisha
    • Norihiko Nakamura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Self-priming system for liquid pumps
    • Patent number 4,494,560
    • Issue date Jan 22, 1985
    • Hudson Engineering Company
    • Pellegrino E. Napolitano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240151227
    • Publication date May 9, 2024
    • LG ELECTRONICS INC.
    • Jinyong JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR DRIVEN COMPRESSOR APPARATUS INCLUDING SWING PIN
    • Publication number 20220099092
    • Publication date Mar 31, 2022
    • HYUNDAI MOBIS CO., LTD.
    • In Won Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20200088197
    • Publication date Mar 19, 2020
    • Minjae KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND AIR CONDITIONING APPARATUS INCLUDING THE SAME
    • Publication number 20190032659
    • Publication date Jan 31, 2019
    • DAIKIN INDUSTRIES, LTD.
    • Ryouta NAKAI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20180363653
    • Publication date Dec 20, 2018
    • Mitsubishi Electric Corporation
    • Shuhei KOYAMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUPERCHARGER HAVING ROTOR WITH PRESS-FIT STUB SHAFTS
    • Publication number 20180100506
    • Publication date Apr 12, 2018
    • EATON CORPORATION
    • Andrew Meyers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20180023567
    • Publication date Jan 25, 2018
    • FUJITSU GENERAL LIMITED
    • Junya TANAKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System and Method for Improved Performance of Gerotor Compressors a...
    • Publication number 20170321698
    • Publication date Nov 9, 2017
    • StarRotor Corporation
    • Mark T. Holtzapple
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MOTOR ROTOR, MOTOR USING THIS AND ELECTRIC COMPRESSOR
    • Publication number 20170279341
    • Publication date Sep 28, 2017
    • Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.
    • Masayuki ISHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING METHOD IN A SYSTEM FOR PUMPING AND SYSTEM OF VACUUM PUMPS
    • Publication number 20170045051
    • Publication date Feb 16, 2017
    • ATELIERS BUSCH SA
    • Didier MÜLLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSION DEVICE
    • Publication number 20160003246
    • Publication date Jan 7, 2016
    • Nabtesco Corporation
    • Toru MIZUFUNE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PROGRESSIVE CAVITY PUMP
    • Publication number 20150139842
    • Publication date May 21, 2015
    • Christian Bratu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STRUCTURE FOR STABILIZING AN ORBITING SCROLL IN A SCROLL COMPRESSOR
    • Publication number 20150037186
    • Publication date Feb 5, 2015
    • Trane International Inc.
    • Scott Joseph Smerud
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Fluid Machine
    • Publication number 20140119970
    • Publication date May 1, 2014
    • Hitachi Industrial Equipment Systmes Co., Ltd.
    • Yoshio KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE SEAL VENT
    • Publication number 20130108495
    • Publication date May 2, 2013
    • Trane International Inc.
    • Robert S. Bakkestuen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dry Pumps
    • Publication number 20070196228
    • Publication date Aug 23, 2007
    • Clive Marcus Lloyd Tunna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gapless screw rotor device
    • Publication number 20050129561
    • Publication date Jun 16, 2005
    • Charles K. Heizer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Gas compression apparatus capable of preventing lubricant leakage
    • Publication number 20050084404
    • Publication date Apr 21, 2005
    • DENSO Corporation
    • Hiroshi Okada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...