TREA

Control systems for the circulation of the lubricant

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  • F04C29/021
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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 F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Current Industry

F04C29/021Control systems for the circulation of the lubricant
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas compressor
    • Patent number 12,146,481
    • Issue date Nov 19, 2024
    • Hitachi, Ltd.
    • Ryota Iijima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid-cooled rotary compressor and coolant supply method therefor
    • Patent number 12,123,411
    • Issue date Oct 22, 2024
    • Hitachi, Ltd.
    • Nae Hisano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump lubricant recovery system returning lubricant from the...
    • Patent number 12,104,597
    • Issue date Oct 1, 2024
    • ATLAS COPCO AIRPOWER N.V.
    • Andries Desiron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid feed type gas compressor having a liquid supply system with...
    • Patent number 12,104,599
    • Issue date Oct 1, 2024
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji Morita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotor assembly, compressor and air conditioner
    • Patent number 12,092,105
    • Issue date Sep 17, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Zhongkeng Long
    • 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

    Airend having a lubricant flow valve and controller
    • Patent number 11,802,564
    • Issue date Oct 31, 2023
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor or vacuum pump device, a liquid return system for such a...
    • Patent number 11,767,847
    • Issue date Sep 26, 2023
    • Atlas Copco Airpower, naamloze vennootschap
    • Luc Colman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Intake pipe used for compressor system and compressor system
    • Patent number 11,713,760
    • Issue date Aug 1, 2023
    • Emerson Climate Technologies (Suzhou) Co., Ltd.
    • Ping Zhao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having function of regulating oil supply path
    • Patent number 11,635,077
    • Issue date Apr 25, 2023
    • LG Electronics Inc.
    • Howon Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of controlling the temperature and mass flow of a liquid inj...
    • Patent number 11,614,088
    • Issue date Mar 28, 2023
    • Atlas Copco Airpower, naamloze vennootschap
    • Johan Julia J. Dom
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,603,841
    • Issue date Mar 14, 2023
    • LG Electronics Inc.
    • Yongkyu Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with oil equalizing pipe, parallel compressor set, and o...
    • Patent number 11,598,562
    • Issue date Mar 7, 2023
    • SUZHOU INVOTECH SCROLL TECHNOLOGIES CO., LTD.
    • Huaming Guo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricating oil supply apparatus and compressor using lubricating o...
    • Patent number 11,536,272
    • Issue date Dec 27, 2022
    • LG Electronics Inc.
    • Ki Yeon Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-injected multistage compressor device and method for controllin...
    • Patent number 11,519,412
    • Issue date Dec 6, 2022
    • Atlas Copco Airpower Naamloze Vennootschap
    • Stijn Broucke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear pump
    • Patent number 11,486,399
    • Issue date Nov 1, 2022
    • Schwabische Huttenwerke Automotive GmbH
    • Thomas Wahl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Airend having a lubricant flow valve and controller
    • Patent number 11,448,220
    • Issue date Sep 20, 2022
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having decompressing structure
    • Patent number 11,353,026
    • Issue date Jun 7, 2022
    • LG Electronics Inc.
    • Jungsun Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having bypassing portion
    • Patent number 11,353,027
    • Issue date Jun 7, 2022
    • LG Electronics Inc.
    • Taekyoung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having controllable oil supply and vehicle
    • Patent number 11,300,126
    • Issue date Apr 12, 2022
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Kaicheng Yang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Climate-control system having oil cooling control system
    • Patent number 11,236,648
    • Issue date Feb 1, 2022
    • Emerson Climate Technologies, Inc.
    • Jacob A. Groshek
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Lubrication system for a compressor
    • Patent number 11,209,002
    • Issue date Dec 28, 2021
    • Joy Global Surface Mining Inc
    • Michael D. Lanum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid-injected compressor or expander element and method for contr...
    • Patent number 11,149,733
    • Issue date Oct 19, 2021
    • Atlas Copco Airpower, naamloze vennootschap
    • Christian Schmitz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oil feed type air compressor
    • Patent number 11,047,390
    • Issue date Jun 29, 2021
    • Hitachi, Ltd.
    • Masanao Kotani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vane pump
    • Patent number 11,035,363
    • Issue date Jun 15, 2021
    • Taiho Kogyo Co., Ltd.
    • Satoshi Ikeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor system and system for maintaining a desired oil level
    • Patent number 11,002,277
    • Issue date May 11, 2021
    • INGERSOLL-RAND INDUSTRIAL U.S. INC.
    • Mallikarjun Jayadevappa Jambigi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Co-rotating scroll compressor
    • Patent number 10,995,755
    • Issue date May 4, 2021
    • Mitsubishi Heavy Industries, Ltd.
    • Takuma Yamashita
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Air compressor
    • Patent number 10,995,756
    • Issue date May 4, 2021
    • Hitachi, Ltd.
    • Masanao Kotani
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant compressor system
    • Patent number 10,968,913
    • Issue date Apr 6, 2021
    • Bitzer Kuehlmaschinenbau GmbH
    • Christian Scharer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    Rotor Assembly, Compressor and Air Conditioner
    • Publication number 20240044333
    • Publication date Feb 8, 2024
    • Gree Electric Appliances, Inc, of Zhuhai
    • Zhongkeng Long
    • 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

    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

    LIQUID FEED TYPE GAS COMPRESSOR
    • Publication number 20230332602
    • Publication date Oct 19, 2023
    • Hitachi Industrial Equipment Systems Co., Ltd.
    • Kenji MORITA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20230143495
    • Publication date May 11, 2023
    • LG ELECTRONICS INC.
    • Taekyoung KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20230017093
    • Publication date Jan 19, 2023
    • Ingersoll-Rand Industrial U.S., Inc.
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Refrigerant compressor including an oil level sensor arrangement
    • Publication number 20220412359
    • Publication date Dec 29, 2022
    • Danfoss Commercial Compressors
    • Patrice BONNEFOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH OIL EQUALIZING PIPE, PARALLEL COMPRESSOR SET, AND O...
    • Publication number 20220243964
    • Publication date Aug 4, 2022
    • SUZHOU INVOTECH SCROLL TECHNOLOGIES CO., LTD.
    • Huaming GUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20220099094
    • Publication date Mar 31, 2022
    • LG ELECTRONICS INC.
    • Yongkyu CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL-INJECTED MULTISTAGE COMPRESSOR DEVICE AND METHOD FOR CONTROLLIN...
    • Publication number 20210324858
    • Publication date Oct 21, 2021
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Stijn BROUCKE
    • 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

    AIREND HAVING A LUBRICANT FLOW VALVE AND CONTROLLER
    • Publication number 20210095657
    • Publication date Apr 1, 2021
    • Ingersoll-Rand Company
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20200263691
    • Publication date Aug 20, 2020
    • LG ELECTRONICS INC.
    • Jungsun CHOI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20200263692
    • Publication date Aug 20, 2020
    • LG ELECTRONICS INC.
    • Taekyoung Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR PUMP
    • Publication number 20200248693
    • Publication date Aug 6, 2020
    • SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH
    • Thomas Wahl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Feed Type Air Compressor
    • Publication number 20200240415
    • Publication date Jul 30, 2020
    • Hitachi, Ltd
    • Masanao KOTANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH OIL EQUALIZING PIPE, PARALLEL COMPRESSOR SET, AND O...
    • Publication number 20200232687
    • Publication date Jul 23, 2020
    • SUZHOU INVOTECH SCROLL TECHNOLOGIES CO., LTD.
    • Huaming GUO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR AND VEHICLE
    • Publication number 20190376519
    • Publication date Dec 12, 2019
    • GUANGDONG MEIZHI COMPRESSOR CO., LTD.
    • Kaicheng YANG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LIQUID-INJECTED COMPRESSOR OR EXPANDER ELEMENT AND METHOD FOR CONTR...
    • Publication number 20190316585
    • Publication date Oct 17, 2019
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Christian SCHMITZ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR SYSTEM AND SYSTEM FOR MAINTAINING A DESIRED OIL LEVEL
    • Publication number 20190301465
    • Publication date Oct 3, 2019
    • Ingersoll-Rand Company
    • Mallikarjun Jayadevappa Jambigi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL EQUALIZATION CONFIGURATION FOR MULTIPLE COMPRESSOR SYSTEMS CONT...
    • Publication number 20190285070
    • Publication date Sep 19, 2019
    • Bruce A. Fraser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CO-ROTATING SCROLL COMPRESSOR
    • Publication number 20190277291
    • Publication date Sep 12, 2019
    • Mitsubishi Heavy Industries, Ltd.
    • Takuma YAMASHITA
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    MOTOR VEHICLE VACUUM PUMP
    • Publication number 20190226483
    • Publication date Jul 25, 2019
    • PIERBURG PUMP TECHNOLOGY GMBH
    • STEFFEN SCHNURR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR STOP VALVE AND ASSOCIATED SYSTEM
    • Publication number 20190203716
    • Publication date Jul 4, 2019
    • Ingersoll-Rand Company
    • Michael Borkowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VANE PUMP
    • Publication number 20190101117
    • Publication date Apr 4, 2019
    • Taiho Kogyo Co., Ltd.
    • Satoshi IKEDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATING OIL SUPPLY APPARATUS AND COMPRESSOR USING LUBRICATING O...
    • Publication number 20190093658
    • Publication date Mar 28, 2019
    • LG Electronics Inc.
    • Ki Yeon LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION DEVICE
    • Publication number 20190072093
    • Publication date Mar 7, 2019
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Masahiro Tajima
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICATION SYSTEM FOR A COMPRESSOR
    • Publication number 20190072095
    • Publication date Mar 7, 2019
    • Joy Global Surface Mining Inc
    • Michael D. Lanum
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    WATER LUBRICATION AIR COMPRESSION SYSTEM
    • Publication number 20190032663
    • Publication date Jan 31, 2019
    • FU SHENG INDUSTRIAL CO., LTD.
    • Min-Jen Tsai
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD FOR REGULATING THE LIQUID INJECTION OF A COMPRESSOR, A LIQUI...
    • Publication number 20180363652
    • Publication date Dec 20, 2018
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Johan Julia J. DOM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...