TREA

Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

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Industry

  • CPC
  • F04C28/00
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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

F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Sub Industries

F04C28/02specially adapted for several pumps connected in series or in parallel F04C28/04specially adapted for reversible pumps F04C28/06specially adapted for stopping, starting, idling or no-load operation F04C28/065Capacity control using a multiplicity of units or pumping capacities F04C28/08characterised by varying the rotational speed F04C28/10characterised by changing the positions of the inlet or outlet openings with respect to the working chamber F04C28/12using sliding valves F04C28/125with sliding valves controlled by the use of fluid other than the working fluid F04C28/14using rotating valves F04C28/16using lift valves F04C28/18characterised by varying the volume of the working chamber F04C28/185by varying the useful pumping length of the cooperating members in the axial direction F04C28/20by changing the form of the inner or outer contour of the working chamber F04C28/22by changing the eccentricity between cooperating members F04C28/24characterised by using valves regulating pressure or flow rate F04C28/26using bypass channels F04C28/265being obtained by displacing a lateral sealing face F04C28/28Safety arrangements Monitoring
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE FOR CONTROLLING A FLUID MASS FLOW FOR A DEVICE FOR COMPRESSI...
    • Publication number 20240426301
    • Publication date Dec 26, 2024
    • HANON SYSTEMS
    • Ayhan Ayar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTIPATH PASSIVE DISCHARGE VALVE FOR A COMPRESSOR
    • Publication number 20240418171
    • Publication date Dec 19, 2024
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE REFRIGERANT COMPRESSOR AND OPERATION METHOD THEREOF
    • Publication number 20240418169
    • Publication date Dec 19, 2024
    • FU SHENG INDUSTRIAL CO., LTD.
    • Wei-Hsu LIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND REFRIGERATION CYCLE DEVICE HAVING THE SAME
    • Publication number 20240410629
    • Publication date Dec 12, 2024
    • Samsung Electronics Co., Ltd.
    • Soodol PARK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20240401595
    • Publication date Dec 5, 2024
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELEMENT FOR COMPRESSING A GAS AND METHOD FOR CONTROLLING SUCH ELEMENT
    • Publication number 20240376894
    • Publication date Nov 14, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Wim MATHYS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR COMPRESSING A GASEOUS FLUID AND METHOD FOR OPERATING THE...
    • Publication number 20240369062
    • Publication date Nov 7, 2024
    • HANON SYSTEMS
    • Ayhan Ayar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT VARIABLE VOLUME INDEX VALVE FOR SCREW COMPRESSOR BACKGROUND
    • Publication number 20240352935
    • Publication date Oct 24, 2024
    • Hitachi Global Air Power US, LLC
    • Jonathan D. BATDORFF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPIRAL VALVE FOR SCREW CAPACITY CONTROL
    • Publication number 20240352936
    • Publication date Oct 24, 2024
    • Hitachi Global Air Power US, LLC
    • Jonathan D. BATDORFF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRO-MAGNETIC THROTTLE VALVE
    • Publication number 20240328530
    • Publication date Oct 3, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Vineeth Poulose
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VOLUME RATIO CONTROL SYSTEM FOR A COMPRESSOR
    • Publication number 20240318656
    • Publication date Sep 26, 2024
    • TYCO FIRE & SECURITY GMBH
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20240301882
    • Publication date Sep 12, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Akihiro YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND METHOD FOR CONTROLLING SCROLL COMPRESSOR
    • Publication number 20240287988
    • Publication date Aug 29, 2024
    • Danfoss Comemrcial Compressors
    • Patrice BONNEFOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VAPOR INJECTION STRUCTURE FOR A COMPRESSOR
    • Publication number 20240280102
    • Publication date Aug 22, 2024
    • HANON SYSTEMS
    • Pete Ganster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND METHOD FOR CONTROLLING THE SAME
    • Publication number 20240254991
    • Publication date Aug 1, 2024
    • HANON SYSTEMS
    • Gu Hyun Ryu
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240240637
    • Publication date Jul 18, 2024
    • LG ELECTRONICS INC.
    • Sanghun SEONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL METHOD FOR COMPRESSOR AND COMPRESSOR SYSTEM
    • Publication number 20240218878
    • Publication date Jul 4, 2024
    • DANFOSS (TIANJIN) LTD.
    • Yingke SUN
    • G01 - MEASURING TESTING
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218879
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218877
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR MONITORING THE OIL LEVEL OF AN OIL-LUBRICATED COMPRESSOR...
    • Publication number 20240200545
    • Publication date Jun 20, 2024
    • KNORR-BREMSE SYSTEME FUR SCHIENENFAHRZEUGE GMBH
    • Ehsan AFSHAR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Slide Valve for a Twin-Screw Compressor
    • Publication number 20240191713
    • Publication date Jun 13, 2024
    • TYCO FIRE & SECURITY GMBH
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual-Fuel Power System and Air Supply and Purging Method Thereof
    • Publication number 20240175396
    • Publication date May 30, 2024
    • YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
    • Jianwei WANG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    METHOD FOR DETECTING AND MONITORING CONDENSATE IN AN OIL SYSTEM OF...
    • Publication number 20240151230
    • Publication date May 9, 2024
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Jeroen Alois M. FIRLEFIJN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20240141895
    • Publication date May 2, 2024
    • MITSUBISHI ELECTRIC CORPORATION
    • Takao MITSUI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH AN OIL MANAGEMENT SYSTEM
    • Publication number 20240110566
    • Publication date Apr 4, 2024
    • Fieldpiece Instruments, Inc.
    • Tinggui Hong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240102469
    • Publication date Mar 28, 2024
    • LG ELECTRONICS INC.
    • Jeonghun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, IN...
    • Publication number 20240077079
    • Publication date Mar 7, 2024
    • EBARA CORPORATION
    • Keiji Maishigi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    METHODS AND SYSTEMS FOR AIR COMPRESSOR AND ENGINE DRIVEN CONTROL
    • Publication number 20240068473
    • Publication date Feb 29, 2024
    • Illinois Tool Works Inc.
    • Nathan Joe Jochman
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PROGRAM UPDATE METHOD FOR THE GAS COMPRESSOR SYSTEM
    • Publication number 20240068466
    • Publication date Feb 29, 2024
    • HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
    • Ryosuke UCHIKI
    • G06 - COMPUTING CALCULATING COUNTING