TREA

characterised by using valves regulating pressure or flow rate

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Industry

  • CPC
  • F04C28/24
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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 F04C28/00Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids

Current Industry

F04C28/24characterised by using valves regulating pressure or flow rate
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY POSITIVE DISPLACEMENT DEVICE
    • Publication number 20250129778
    • Publication date Apr 24, 2025
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BACK PRESSURE REGULATING VALVE AND AN ELECTRIC TYPE OF A SCROLL COM...
    • Publication number 20250075701
    • Publication date Mar 6, 2025
    • ATECHELTHERMO Co., Ltd.
    • Sung-Hyun JEUN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    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

    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

    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

    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

    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

    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

    Scroll Compressor With Center Hub
    • Publication number 20240052836
    • Publication date Feb 15, 2024
    • Copeland LP
    • Natalie M. GEHRET
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL PUMP
    • Publication number 20240018960
    • Publication date Jan 18, 2024
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20230279857
    • Publication date Sep 7, 2023
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID RING PUMP CONTROL
    • Publication number 20230243353
    • Publication date Aug 3, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    eTXV DIRECT DISCHARGE INJECTION COMPRESSOR
    • Publication number 20220397316
    • Publication date Dec 15, 2022
    • HANON SYSTEMS
    • Steven Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS-LIQUID SEPARATOR AND METHOD AND AIR COMPRESSOR SYSTEM EQUIPPED...
    • Publication number 20220364563
    • Publication date Nov 17, 2022
    • VANAIR MANUFACTURING, INC.
    • Garrett M. Griggs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20220349404
    • Publication date Nov 3, 2022
    • Mitsubishi Electric Corporation
    • Masahiro KANDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLED DRY VACUUM SCREW PUMP
    • Publication number 20220268279
    • Publication date Aug 25, 2022
    • FRUVAC LTD.
    • Khurram Akhtar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND METHOD OF CONTROLLING THE COMPRESSOR
    • Publication number 20220205447
    • Publication date Jun 30, 2022
    • DANFOSS (TIANJIN) LTD.
    • Lin Ma
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE-FREQUENCY COMPRESSOR WITH ADAPTIVE HEATING POWER CONTROL...
    • Publication number 20220186730
    • Publication date Jun 16, 2022
    • DANFOSS (TIANJIN) LTD.
    • Shizhong Ji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20220178372
    • Publication date Jun 9, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Yukihiro INADA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND AIR CONDITIONING SYSTEM
    • Publication number 20220136507
    • Publication date May 5, 2022
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Mingsheng ZHUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR CONTROLLING A ROTARY SCREW COMPRESSOR
    • Publication number 20220082100
    • Publication date Mar 17, 2022
    • GARDNER DENVER DEUTSCHLAND GmbH
    • Ulrich Thomes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for Controlling a Compressor Installation
    • Publication number 20220049693
    • Publication date Feb 17, 2022
    • KAESER KOMPRESSOREN SE
    • Thomas Oppel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE CAPACITY COMPRESSOR
    • Publication number 20220025887
    • Publication date Jan 27, 2022
    • SHANGHAI HIGHLY ELECTRICAL APPLIANCES CO., LTD.
    • Yanzhen WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A VACUUM PUMP SYSTEM
    • Publication number 20210381499
    • Publication date Dec 9, 2021
    • Leybold GmbH
    • Matthias Nahrwold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER SAVING VACUUMING PUMP SYSTEM BASED ON COMPLETE-BEARING-SEALIN...
    • Publication number 20210372404
    • Publication date Dec 2, 2021
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATION SYSTEM FOR A COMPRESSOR
    • Publication number 20210324859
    • Publication date Oct 21, 2021
    • Joy Global Surface Mining Inc
    • Michael D. Lanum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...