TREA

operative only when pump is inoperative

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  • F04D29/14
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D29/00Details, component parts, or accessories

Current Industry

F04D29/14operative only when pump is inoperative
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing system
    • Patent number 11,698,080
    • Issue date Jul 11, 2023
    • Ebara Corporation
    • Shigeru Yoshikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing system
    • Patent number 11,441,571
    • Issue date Sep 13, 2022
    • Ebara Corporation
    • Shigeru Yoshikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft bearing device with a lifting device
    • Patent number 11,415,142
    • Issue date Aug 16, 2022
    • SULZER MANAGEMENT AG
    • Andreas Wild
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft bearing device with a lifting device
    • Patent number 10,989,213
    • Issue date Apr 27, 2021
    • SULZER MANAGEMENT AG
    • Andreas Wild
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shaft sealing structure and primary coolant circulation pump
    • Patent number 10,914,382
    • Issue date Feb 9, 2021
    • Mitsubishi Heavy Industries, Ltd.
    • Naotaka Komatsu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic cartridge seal
    • Patent number 10,794,493
    • Issue date Oct 6, 2020
    • HAMILTON SUNSTRAND CORPORATION
    • Edward W. Goy
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Methods and apparatuses for pump sealing during leakage events
    • Patent number 10,777,329
    • Issue date Sep 15, 2020
    • GE-Hitachi Nuclear Energy Americas LLC
    • John R. Bass
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Passive shutdown sealing device for a system of shaft seals of a re...
    • Patent number 10,385,974
    • Issue date Aug 20, 2019
    • AREVA NP
    • Romain Thuillier
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water pump
    • Patent number 10,344,775
    • Issue date Jul 9, 2019
    • Aisin Seiki Kabushiki Kaisha
    • Yojiro Koga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Shaft sealing structure and reactor coolant pump
    • Patent number 10,311,984
    • Issue date Jun 4, 2019
    • Mitsubishi Heavy Industries, Ltd.
    • Kentarou Saeki
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Grant

    Backup seals in rotary pumps
    • Patent number 10,294,952
    • Issue date May 21, 2019
    • Curtiss-Wright Electro-Mechanical Corporation
    • David Jeffrey Janocko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thermal retracting actuator
    • Patent number 10,125,748
    • Issue date Nov 13, 2018
    • Westinghouse Electric Company LLC
    • Phillip J. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for carrying out emergent shaft sealing for reactor coolant...
    • Patent number 9,903,473
    • Issue date Feb 27, 2018
    • AREVA NP
    • Romain Thuillier
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal pump with governor actuated seal
    • Patent number 9,790,960
    • Issue date Oct 17, 2017
    • A.R. WILFLEY & SONS, INC.
    • Jack Postuchow
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Thermal retracting actuator
    • Patent number 9,714,644
    • Issue date Jul 25, 2017
    • Westinghouse Electric Company LLC
    • Phillip J. Hawkins
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Centrifugal pump, a shaft sleeve and a stationary seal member
    • Patent number 9,353,763
    • Issue date May 31, 2016
    • Sulzer Pumpen AG
    • Jorma Tapani Lehtonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump seal with thermal retracting actuator
    • Patent number 9,217,441
    • Issue date Dec 22, 2015
    • Westinghouse Electric Company LLC
    • John W. Conrad
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pump seal with thermal retracting actuator
    • Patent number 9,206,812
    • Issue date Dec 8, 2015
    • Westinghouse Electric Company LLC
    • Phillip J. Hawkins
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbocharger compressor active diffuser
    • Patent number 9,188,133
    • Issue date Nov 17, 2015
    • BorgWarner Inc.
    • Andrew Richardson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Backup seals in rotary pumps
    • Patent number 8,690,534
    • Issue date Apr 8, 2014
    • Curtiss-Wright Electro-Mechanical Corporation
    • David Jeffrey Janocko
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing system assembly for high pressure fluid handling devices
    • Patent number 8,506,266
    • Issue date Aug 13, 2013
    • GM Global Technology Operations LLC
    • Ralph Hobmeyr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Static seal
    • Patent number 8,506,246
    • Issue date Aug 13, 2013
    • Weir Minerals Africa (Proprietary) Limited
    • Siegfried Geldenhuys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump, a shaft sleeve and a stationary seal member
    • Patent number 8,337,152
    • Issue date Dec 25, 2012
    • Sulzer Pumpen AG
    • Jorma Tapani Lehtonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing system assembly for high pressure fluid handling devices
    • Patent number 7,905,493
    • Issue date Mar 15, 2011
    • GM Global Technology Operations LLC
    • Ralph Hobmeyr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drain pump for home appliances
    • Patent number 7,758,323
    • Issue date Jul 20, 2010
    • BSH Bosch und Siemens Hausgeraete GmbH
    • Rodrigo Orue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shielding a bearing and seal assembly from undesirable matter
    • Patent number 7,249,932
    • Issue date Jul 31, 2007
    • Weir Minerals Africa (Proprietary) Limited
    • Siegfried Geldenhuys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for circulating sealing gas for mechanical dry seals of a ce...
    • Patent number 6,931,983
    • Issue date Aug 23, 2005
    • Nuovo Pignone Holding S.p.A
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid pump and sealing mechanism
    • Patent number 6,887,048
    • Issue date May 3, 2005
    • World Chemical Co, Ltd.
    • Ryosuke Hirata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas compressor
    • Patent number 6,607,348
    • Issue date Aug 19, 2003
    • Dresser-Rand S.A.
    • Pierre Jean
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 6,062,834
    • Issue date May 16, 2000
    • Mitsubishi Denki Kabushiki Kaisha
    • Kouji Masumoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING SYSTEM
    • Publication number 20220381258
    • Publication date Dec 1, 2022
    • EBARA CORPORATION
    • Shigeru YOSHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ARRANGEMENT AND METHOD OF OPERATING A COMPRESSOR
    • Publication number 20220235789
    • Publication date Jul 28, 2022
    • Nuovo Pignone Tecnologie S.r.l.
    • Sergio CIPRIANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SHAFT BEARING DEVICE WITH A LIFTING DEVICE
    • Publication number 20210215164
    • Publication date Jul 15, 2021
    • SULZER MANAGEMENT AG
    • Andreas WILD
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    METHODS AND APPARATUSES FOR PUMP SEALING DURING LEAKAGE EVENTS
    • Publication number 20200395139
    • Publication date Dec 17, 2020
    • GE-HITACHI NUCLEAR ENERGY AMERICAS LLC
    • John R. Bass
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING SYSTEM
    • Publication number 20200309146
    • Publication date Oct 1, 2020
    • EBARA CORPORATION
    • Shigeru YOSHIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WATER PUMP
    • Publication number 20160333891
    • Publication date Nov 17, 2016
    • AISIN SEIKI KABUSHIKI KAISHA
    • Yojiro KOGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CARRYING OUT EMERGENT SHAFT SEALING FOR REACTOR COOLANT...
    • Publication number 20160312893
    • Publication date Oct 27, 2016
    • AREVA NP
    • Romain THUILLIER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PASSIVE SHUTDOWN SEALING DEVICE FOR A SYSTEM OF SHAFT SEALS IN A R...
    • Publication number 20150192142
    • Publication date Jul 9, 2015
    • AREVA NP
    • Olivier Philippart
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP SEAL WITH THERMAL RETRACTING ACTUATOR
    • Publication number 20140271288
    • Publication date Sep 18, 2014
    • Westinghouse Electric Company LLC
    • Phillip J. Hawkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BACKUP SEALS IN ROTARY PUMPS
    • Publication number 20140161589
    • Publication date Jun 12, 2014
    • Curtiss-Wright Electro-Mechanical Corporation
    • David Jeffrey Janocko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHODS AND APPARATUSES FOR PUMP SEALING DURING LEAKAGE EVENTS
    • Publication number 20130170594
    • Publication date Jul 4, 2013
    • John R. BASS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL PUMP, A SHAFT SLEEVE AND A STATIONARY SEAL MEMBER
    • Publication number 20130058767
    • Publication date Mar 7, 2013
    • Sulzer Pumpen AG
    • Jorma Tapani LEHTONEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sealing System Assembly For High Pressure Fluid Handling Devices
    • Publication number 20110100473
    • Publication date May 5, 2011
    • GM GLOBAL TECHNOLOGY OPERATIONS LLC
    • Ralph Hobmeyr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATIC SEAL
    • Publication number 20110081236
    • Publication date Apr 7, 2011
    • Siegfried Geldenhuys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal Pump, A Shaft Sleeve And A Stationary Seal Member
    • Publication number 20090116960
    • Publication date May 7, 2009
    • Sulzer Pumpen AG
    • Jorma Tapani Lehtonen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shutdown seal for reactor coolant pump
    • Publication number 20070140877
    • Publication date Jun 21, 2007
    • Mark E. Sanville
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Drain pump for home appliances
    • Publication number 20070071617
    • Publication date Mar 29, 2007
    • Rodrigo Orue
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Application

    Centrifugal pump and a static seal thereof
    • Publication number 20060280599
    • Publication date Dec 14, 2006
    • Sulzer Pumpen AG
    • Heikki Manninen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sealing system assembly for high pressure fluid handling devices
    • Publication number 20060046129
    • Publication date Mar 2, 2006
    • Ralph Hobmeyr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Shielding a bearing and seal assembly from undesirable matter
    • Publication number 20050269786
    • Publication date Dec 8, 2005
    • Siegfried Geldenhuys
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Device for circulating sealing gas for mechanical dry seals of a ce...
    • Publication number 20050100454
    • Publication date May 12, 2005
    • NUOVO PIGNONE HOLDING SPA
    • Stefano Meucci
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Liquid pump and sealing mechanism
    • Publication number 20030175136
    • Publication date Sep 18, 2003
    • Ryosuke Hirata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Gas compressor
    • Publication number 20020031437
    • Publication date Mar 14, 2002
    • Pierre Jean
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...