TREA

Pressure difference

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Industry

  • CPC
  • F04C2270/21
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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 F04C2270/00Control Monitoring or safety arrangements

Current Industry

F04C2270/21Pressure difference
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Method of Handling Gear Pump, Control System, Coating Apparatus and...
    • Publication number 20240141894
    • Publication date May 2, 2024
    • ABB Schweiz AG
    • Arnulf Krogedal
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    METHOD FOR OPERATING A SCROLL VACUUM PUMP
    • Publication number 20230392600
    • Publication date Dec 7, 2023
    • Leybold GmbH
    • Alexander Kaiser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OPERATING METHOD FOR A CONVEYING DEVICE WITH AN ECCENTRIC SCREW PUM...
    • Publication number 20230235738
    • Publication date Jul 27, 2023
    • J. Wagner GmbH
    • Thorsten SCHNITTGER
    • 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

    Dual-Stage Compressor, Control Method Thereof and Air Conditioning...
    • Publication number 20220268280
    • Publication date Aug 25, 2022
    • GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20220170465
    • Publication date Jun 2, 2022
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR STOP VALVE AND ASSOCIATED SYSTEM
    • Publication number 20210190071
    • Publication date Jun 24, 2021
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20200232466
    • Publication date Jul 23, 2020
    • HANON SYSTEMS
    • Hong Min KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SELF ADJUSTING PUMP FOR ICE CREAM FREEZER
    • Publication number 20190003478
    • Publication date Jan 3, 2019
    • Tetra Laval Holdings & Finance S.A.
    • Ole Bendixen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL-TYPE COMPRESSOR
    • Publication number 20180245593
    • Publication date Aug 30, 2018
    • DAIKIN INDUSTRIES, LTD.
    • Kenji NAGAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE DISPLACEMENT VANE PUMP
    • Publication number 20180112661
    • Publication date Apr 26, 2018
    • KYB Corporation
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VARIABLE ECONOMIZER INJECTION POSITION
    • Publication number 20180017059
    • Publication date Jan 18, 2018
    • TRANE INTERNATIONAL INC.
    • Jay H. JOHNSON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20160377078
    • Publication date Dec 29, 2016
    • KYB Corporation
    • Koichiro AKATSUKA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor Differential Pressure Control Techniques
    • Publication number 20140236361
    • Publication date Aug 21, 2014
    • Roger NOLL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air Compressor
    • Publication number 20140186193
    • Publication date Jul 3, 2014
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE COMPRESSION REFRIGERATION CYCLE DEVICE
    • Publication number 20130213084
    • Publication date Aug 22, 2013
    • Denso Corporation
    • Ryo Takizawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW EXPANDER
    • Publication number 20120082580
    • Publication date Apr 5, 2012
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Noboru Tsuboi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VACUUM PUMP IN PARTICULAR ROOTS TYPE PUMP
    • Publication number 20110129374
    • Publication date Jun 2, 2011
    • OERLIKON LEYBOLD VACUUM GMBH
    • Hannes Kamecke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20100158710
    • Publication date Jun 24, 2010
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Satoshi UMEMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR WITH TWO SCROLLS
    • Publication number 20100034682
    • Publication date Feb 11, 2010
    • Spinnler Engineering
    • FRITZ SPINNLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Sliding Vane Pump with Internal Cam Ring
    • Publication number 20090180913
    • Publication date Jul 16, 2009
    • Standex International Corporation
    • Robert R. Kimberlin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PROGRESSING CAVITY PUMP WITH HEAT MANAGEMENT SYSTEM
    • Publication number 20090068024
    • Publication date Mar 12, 2009
    • Michael Duane Amburgey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF CALCULATING PUMP FLOW RATES AND AN AUTOMATED PUMP CONTROL...
    • Publication number 20080300727
    • Publication date Dec 4, 2008
    • Noralta Controls Ltd.
    • Cam Zarowny
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    FEED PUMP
    • Publication number 20080279699
    • Publication date Nov 13, 2008
    • Joma-Hydromechanic GmbH
    • Willi Schneider
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Variable displacement vane pump and method of controlling the same
    • Publication number 20070212243
    • Publication date Sep 13, 2007
    • Hitachi, Ltd.
    • Shigeaki Yamamuro
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal intermediate pressure multistage compression type rotary c...
    • Publication number 20060204377
    • Publication date Sep 14, 2006
    • SANYO ELECTRIC CO., LTD.
    • Kenzo Matumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Screw compressor
    • Publication number 20060117790
    • Publication date Jun 8, 2006
    • Bitzer Kuehlmaschinenbau GmbH
    • Rolf Dieterich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Internal intermediate pressure multistage compression type rotary c...
    • Publication number 20060056982
    • Publication date Mar 16, 2006
    • SANYO ELECTRIC CO., LTD.
    • Kenzo Matumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Internal intermediate pressure multistage compression type rotary c...
    • Publication number 20060056983
    • Publication date Mar 16, 2006
    • SANYO ELECTRIC CO., LTD.
    • Kenzo Matumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Internal intermediate pressure multistage compression type rotary c...
    • Publication number 20060056981
    • Publication date Mar 16, 2006
    • SANYO ELECTRIC CO., LTD.
    • Kenzo Matumoto
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES