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

  • Information Patent Grant

    Air compressor
    • Patent number 11,982,456
    • Issue date May 14, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji Morita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including grooved discharge and bypass valve arra...
    • Patent number 11,982,275
    • Issue date May 14, 2024
    • LG Electronics Inc.
    • Suchul Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid machine
    • Patent number 11,976,648
    • Issue date May 7, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Akihiro Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable compressor housing
    • Patent number 11,971,035
    • Issue date Apr 30, 2024
    • Tyco Fire & Security GmbH
    • Franklin Aaron Montejo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and valve assembly
    • Patent number 11,965,507
    • Issue date Apr 23, 2024
    • Copeland LP
    • Titus Broek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable economizer injection position
    • Patent number 11,959,483
    • Issue date Apr 16, 2024
    • TRANE INTERNATIONAL INC.
    • Jay H. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air conditioner and compressor
    • Patent number 11,953,008
    • Issue date Apr 9, 2024
    • Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai
    • Yanjun Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor and control method therefor
    • Patent number 11,953,006
    • Issue date Apr 9, 2024
    • Tyco Fire & Security GMBH
    • Yu Zhu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having orbiting scroll supply hole to lubricate thrust s...
    • Patent number 11,953,005
    • Issue date Apr 9, 2024
    • Mitsubishi Electric Corporation
    • Wataru Sasano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having at least one valve fixedly inserted into b...
    • Patent number 11,953,003
    • Issue date Apr 9, 2024
    • LG Electronics Inc.
    • Changeol Jo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable-frequency compressor with adaptive heating power control a...
    • Patent number 11,955,915
    • Issue date Apr 9, 2024
    • Danfoss (Tianjin) Ltd.
    • Shizhong Ji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Information processing apparatus, information processing system, in...
    • Patent number 11,946,470
    • Issue date Apr 2, 2024
    • Ebara Corporation
    • Keiji Maishigi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Compressor having floating seal assembly
    • Patent number 11,939,979
    • Issue date Mar 26, 2024
    • Copeland LP
    • James W. McBean
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for analyzing energy used for producing a unit of mass or vo...
    • Patent number 11,934,157
    • Issue date Mar 19, 2024
    • ENERSIZE OY
    • Anders Sjögren
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Orbital pump
    • Patent number 11,933,296
    • Issue date Mar 19, 2024
    • Edwards Limited
    • Peter Anthony McBrien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor, monitoring system, and method of monitoring compressor
    • Patent number 11,933,291
    • Issue date Mar 19, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Tomofumi Okubo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,933,297
    • Issue date Mar 19, 2024
    • Sanden Corporation
    • Hironobu Inaba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable capacity screw compressor and method
    • Patent number 11,933,301
    • Issue date Mar 19, 2024
    • TRANE INTERNATIONAL INC.
    • Dennis R. Dorman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,920,590
    • Issue date Mar 5, 2024
    • LG Electronics Inc.
    • Yongkyu Choi
    • 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

    Screw compressor slide valve and screw compressor with gas pulsatio...
    • Patent number 11,920,594
    • Issue date Mar 5, 2024
    • XI'AN JIAOTONG UNIVERSITY
    • Ziwen Xing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide valve for a twin-screw compressor
    • Patent number 11,913,453
    • Issue date Feb 27, 2024
    • Johnson Controls Tyco IP Holdings LLP
    • Shengmei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw compressor
    • Patent number 11,913,452
    • Issue date Feb 27, 2024
    • Daikin Industries, Ltd.
    • Takashi Inoue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,905,954
    • Issue date Feb 20, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tatsushi Mori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Orbital pump
    • Patent number 11,898,556
    • Issue date Feb 13, 2024
    • Edwards Limited
    • Peter Anthony McBrien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Operating method for a conveying device with an eccentric screw pum...
    • Patent number 11,885,332
    • Issue date Jan 30, 2024
    • J. Wagner GmbH
    • Thorsten Schnittger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    ETXV direct discharge injection compressor
    • Patent number 11,885,535
    • Issue date Jan 30, 2024
    • HANON SYSTEMS
    • Steven Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refueling screw compressor
    • Patent number 11,879,463
    • Issue date Jan 23, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Tomoyuki Kado
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Active hydraulic ripple cancellation methods and systems
    • Patent number 11,879,451
    • Issue date Jan 23, 2024
    • ClearMotion, Inc.
    • Colin Patrick O'Shea
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary slide assembly, and method for monitoring the wear of a slid...
    • Patent number 11,873,814
    • Issue date Jan 16, 2024
    • Gebr. Becker GmbH
    • Stefan Beierlein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • 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
  • Information Patent Application

    GEAR WEAR DETECTION IN INTERMESHING RUNNING GEARS
    • Publication number 20240068474
    • Publication date Feb 29, 2024
    • Leybold GmbH
    • Dirk Schiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    METHOD FOR OPERATING A COMPRESSOR
    • Publication number 20240035473
    • Publication date Feb 1, 2024
    • Haier US Appliance Solutions, Inc.
    • Joseph Wilson Latham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20240035474
    • Publication date Feb 1, 2024
    • LG ELECTRONICS INC.
    • Suchul KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR STOPPING A VACUUM PUMP
    • Publication number 20240035472
    • Publication date Feb 1, 2024
    • Edwards S.R.O
    • Richard Glyn Horler
    • 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

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20240011489
    • Publication date Jan 11, 2024
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EGR PUMP LOCKING MECHANISM AND METHOD TO LOCK EGR PUMP ROTATING GRO...
    • Publication number 20240003319
    • Publication date Jan 4, 2024
    • Eaton Intelligent Power Limited
    • Douglas Anthony HUGHES
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20230400022
    • Publication date Dec 14, 2023
    • LG ELECTRONICS INC.
    • Changeol JO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electrical Sprayer
    • Publication number 20230400025
    • Publication date Dec 14, 2023
    • MMLJ, Inc.
    • Benjamin LeCompte
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    EGR PUMP SYSTEM AND CONTROL METHOD OF EGR PUMP
    • Publication number 20230374958
    • Publication date Nov 23, 2023
    • Eaton Intelligent Power Limited
    • Douglas Anthony Hughes
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20230366391
    • Publication date Nov 16, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Shigeyuki YORIKANE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20230366400
    • Publication date Nov 16, 2023
    • Hitachi, Ltd
    • Ryota IIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP CONTROL SYSTEM FOR A REFUSE VEHICLE
    • Publication number 20230356937
    • Publication date Nov 9, 2023
    • Oshkosh Corporation
    • Derek Wente
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Methods for Judging and Optimizing Comprehensive Performance of Twi...
    • Publication number 20230349383
    • Publication date Nov 2, 2023
    • JIANGNAN UNIVERSITY
    • Xueming HE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NOISE AND VIBRATION MANAGEMENT FOR SMOKE EVACUATION SYSTEM
    • Publication number 20230340958
    • Publication date Oct 26, 2023
    • MEGADYNE MEDICAL PRODUCTS, INC.
    • Chad S. Frampton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLASTHOLE DRILL COMPRESSOR DRIVE SYSTEM
    • Publication number 20230340836
    • Publication date Oct 26, 2023
    • SANDVIK MINING AND CONSTRUCTION USA, LLC
    • Arnold Roberson LAW
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    AIR COMPRESSOR HAVING VACUUM AND ASSOCIATED METHODS FOR LOADING AND...
    • Publication number 20230340957
    • Publication date Oct 26, 2023
    • Industrial Vacuum Transfer Services USA, LLC
    • Randall Earl Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OPTIMIZATION SYSTEMS AND METHODS FOR OPERATING AIR COMPRESSOR GROUPS
    • Publication number 20230340962
    • Publication date Oct 26, 2023
    • Wistron Corporation
    • Bang-Chun WEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF OPERATING LIQUID FLOW INTO A LIQUID RING PUMP
    • Publication number 20230332601
    • Publication date Oct 19, 2023
    • EdwardsTechnologies Vacuum Engineering (Qingdao) Co Ltd
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Diagnosis Method, Diagnosis Apparatus, And Diagnosis System
    • Publication number 20230304498
    • Publication date Sep 28, 2023
    • SEIKO EPSON CORPORATION
    • Kenta SATO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...