TREA

with sliding valves controlled by the use of fluid other than the working fluid

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Industry

  • CPC
  • F04C28/125
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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

F04C28/125with sliding valves controlled by the use of fluid other than the working fluid
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Self-positioning volume slide valve for screw compressor
    • Patent number 12,055,145
    • Issue date Aug 6, 2024
    • Copeland Industrial LP
    • Jean-Louis Picouet
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor stop valve and associated system
    • Patent number 11,920,593
    • Issue date Mar 5, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary displacement compressor having a check valve and a backflow...
    • Patent number 11,401,934
    • Issue date Aug 2, 2022
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Fuminori Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor stop valve and associated system
    • Patent number 10,941,775
    • Issue date Mar 9, 2021
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 10,883,480
    • Issue date Jan 5, 2021
    • TGK Co., Ltd.
    • Kazuhiro Irie
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Suction side slide valve for a screw compressor
    • Patent number 10,808,699
    • Issue date Oct 20, 2020
    • Ingersoll-Rand Industrial U.S., Inc.
    • Sam Palliathu Joseph
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control valve for variable displacement compressor
    • Patent number 10,760,559
    • Issue date Sep 1, 2020
    • TGK Co., Ltd.
    • Kazuhiro Irie
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotary compressor with vapor injection system
    • Patent number 10,344,761
    • Issue date Jul 9, 2019
    • Emerson Climate Technologies, Inc.
    • Kirill M. Ignatiev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor
    • Patent number 10,145,374
    • Issue date Dec 4, 2018
    • HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.
    • Ryuichiro Yonemoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor having a volume ratio being adjusted by end faces...
    • Patent number 10,030,653
    • Issue date Jul 24, 2018
    • Bitzer Kuehlmaschinenbau GmbH
    • Dominic Kienzle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor with adjustable internal volume ratio
    • Patent number 9,970,440
    • Issue date May 15, 2018
    • Johnson Controls Technology Company
    • Yu Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with a bypass port
    • Patent number 9,850,902
    • Issue date Dec 26, 2017
    • Johnson Controls Technology Company
    • Paul Nemit
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with vapor injection system
    • Patent number 9,322,405
    • Issue date Apr 26, 2016
    • Emerson Climate Technologies, Inc.
    • Kirill M. Ignatiev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston operated bypass valve for a screw compressor
    • Patent number 9,169,840
    • Issue date Oct 27, 2015
    • Hitachi Appliances, Inc.
    • Ryuichiro Yonemoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Volume ratio control system and method
    • Patent number 8,899,942
    • Issue date Dec 2, 2014
    • Johnson Controls Technology Company
    • William L. Kopko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 8,287,248
    • Issue date Oct 16, 2012
    • Johnson Controls Technology Company
    • Joseph W. Pillis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor unloading valve
    • Patent number 7,887,310
    • Issue date Feb 15, 2011
    • Carrier Corporation
    • Paul J. Flanigan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Screw compressor
    • Patent number 7,878,782
    • Issue date Feb 1, 2011
    • Johnson Controls Denmark ApS
    • Lars Skovlund Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor unloading valve
    • Patent number 7,874,820
    • Issue date Jan 25, 2011
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for changing capacity of multi-stage rotary compressor
    • Patent number 7,665,973
    • Issue date Feb 23, 2010
    • LG Electronics Inc.
    • Seon-Woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 7,588,430
    • Issue date Sep 15, 2009
    • Kabushiki Kaisha Kobe Seiko Sho
    • Masataka Hasegawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Step-type capacity varying apparatus of scroll compressor
    • Patent number 7,316,549
    • Issue date Jan 8, 2008
    • LG Electronics Inc.
    • Myung-Kyun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage screw compressor unit accommodating high suction pressu...
    • Patent number 6,881,040
    • Issue date Apr 19, 2005
    • Mayekawa Mfg. Co., Ltd.
    • Toshiro Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compact control mechanism for axial motion control valves in helica...
    • Patent number 6,739,853
    • Issue date May 25, 2004
    • Carrier Corporation
    • Yan Tang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor equipment for accommodating low compression ratio...
    • Patent number 6,659,729
    • Issue date Dec 9, 2003
    • Mayekawa Mfg. Co., Ltd.
    • Toshiro Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low pressure unloader mechanism
    • Patent number 6,422,846
    • Issue date Jul 23, 2002
    • Carrier Corporation
    • Jianping Zhong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary screw compressor with slide valve and slide stop guidance bu...
    • Patent number 6,409,490
    • Issue date Jun 25, 2002
    • York International Corporation
    • Paul Nemit
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw compressor
    • Patent number 6,276,911
    • Issue date Aug 21, 2001
    • Bitzer Kuehlmaschinenbau GmbH
    • Karl-Joachim Krusche
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor with adjustment slide means
    • Patent number 6,227,834
    • Issue date May 8, 2001
    • Sabroe Refrigeration A/S
    • Lars Skovlund Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric switch gauge for screw compressors
    • Patent number 6,139,280
    • Issue date Oct 31, 2000
    • Compressor Systems, Inc.
    • James A. Holt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • 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

    SCREW COMPRESSOR
    • Publication number 20200040896
    • Publication date Feb 6, 2020
    • Mayekawa Mfg. Co., Ltd.
    • Yasuaki ENDO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUCTION SIDE SLIDE VALVE FOR A SCREW COMPRESSOR
    • Publication number 20190093657
    • Publication date Mar 28, 2019
    • Ingersoll-Rand Company
    • Sam Palliathu Joseph
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Compressor With Vapor Injection System
    • Publication number 20180209423
    • Publication date Jul 26, 2018
    • Emerson Climate Technologies, Inc.
    • Kirill M. IGNATIEV
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
    • Publication number 20180135610
    • Publication date May 17, 2018
    • TGK CO., LTD.
    • Kazuhiro IRIE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL VALVE FOR VARIABLE DISPLACEMENT COMPRESSOR
    • Publication number 20170356430
    • Publication date Dec 14, 2017
    • TGK CO., LTD.
    • Kazuhiro IRIE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20160319814
    • Publication date Nov 3, 2016
    • GEA REFRIGERATION GERMANY GMBH
    • Dieter MOSEMANN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR WITH ADJUSTABLE INTERNAL VOLUME RATIO
    • Publication number 20160084251
    • Publication date Mar 24, 2016
    • Johnson Controls Technology Company
    • Yu ZHU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20140127067
    • Publication date May 8, 2014
    • Bitzer Kuehlmaschinenbau GmbH
    • Dominic Kienzle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VOLUME RATIO CONTROL SYSTEM AND METHOD
    • Publication number 20130216414
    • Publication date Aug 22, 2013
    • Johnson Controls Technology Company
    • William L. Kopko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor and Chiller Unit Using Same
    • Publication number 20120247139
    • Publication date Oct 4, 2012
    • Hitachi Appliances, Inc.
    • Ryuichiro Yonemoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20100158730
    • Publication date Jun 24, 2010
    • Joseph W. PILLIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Unloading Valve
    • Publication number 20090285710
    • Publication date Nov 19, 2009
    • Carrier Corporation
    • Paul J. Flanigan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Slide valve position indicator
    • Publication number 20090220366
    • Publication date Sep 3, 2009
    • William Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Unloading Valve
    • Publication number 20090148332
    • Publication date Jun 11, 2009
    • Carrier Corporation
    • Stephen L. Shoulders
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor
    • Publication number 20080304990
    • Publication date Dec 11, 2008
    • JOHNSON CONTROLS DENMARK APS
    • Lars Skovlund Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20080038127
    • Publication date Feb 14, 2008
    • Ryuichiro Yonemoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Volumetric screw compressor
    • Publication number 20070086908
    • Publication date Apr 19, 2007
    • Enrico Faccio
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Step-type capacity varying apparatus of scroll compressor
    • Publication number 20060177332
    • Publication date Aug 10, 2006
    • LG ELECTRONICS INC.
    • Myung-Kyun Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Apparatus for changing capacity of multi-stage rotary compressor
    • Publication number 20060090488
    • Publication date May 4, 2006
    • LG ELECTRONICS INC.
    • Seon-Woong Hwang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor
    • Publication number 20060008375
    • Publication date Jan 12, 2006
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Masataka Hasegawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor
    • Publication number 20050013702
    • Publication date Jan 20, 2005
    • Bitzer Kuehlmaschinenbau GmbH
    • Rolf Dieterich
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT CONTROL MECHANISM FOR AXIAL MOTION CONTROL VALVES IN HELICA...
    • Publication number 20040109782
    • Publication date Jun 10, 2004
    • Yan Tang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Multi-stage screw compressor unit accommodating high suction pressu...
    • Publication number 20030215336
    • Publication date Nov 20, 2003
    • Mayekawa Mfg. Co., Ltd.
    • Toshiro Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw compressor equipment for accommodating low compression ratio...
    • Publication number 20030007873
    • Publication date Jan 9, 2003
    • Toshiro Hattori
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...