TREA

oil recirculating arrangements

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  • CPC
  • F25B31/004
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT-PUMP SYSTEMS F25B31/00Compressor arrangements

Current Industry

F25B31/004oil recirculating arrangements
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Compressor lubrication supply system and compressor thereof
    • Patent number 12,209,592
    • Issue date Jan 28, 2025
    • TRANE INTERNATIONAL INC.
    • Mark W. Harrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Increasing a flow rate of oil into a compressor of a refrigeration...
    • Patent number 12,173,935
    • Issue date Dec 24, 2024
    • Hill Phoenix, Inc.
    • Senthilkumar Kandappa Goundar Shanmugam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control method and system for refrigeration, oil return and noise r...
    • Patent number 12,173,943
    • Issue date Dec 24, 2024
    • QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD.
    • Ming Zhang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cooling system with oil return to accumulator
    • Patent number 12,158,292
    • Issue date Dec 3, 2024
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Lubricant management for an HVACR system
    • Patent number 12,117,222
    • Issue date Oct 15, 2024
    • TRANE INTERNATIONAL INC.
    • Thibaut Gerson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant bypass solution
    • Patent number 12,104,836
    • Issue date Oct 1, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooling system with oil return to oil reservoir
    • Patent number 12,078,391
    • Issue date Sep 3, 2024
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system and oil recovery method for the same
    • Patent number 12,072,127
    • Issue date Aug 27, 2024
    • Carrier Corporation
    • Zhen Guo
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Control system for a vapor compression system
    • Patent number 12,066,231
    • Issue date Aug 20, 2024
    • Tyco Fire & Security GMBH
    • Guillaume Julien Roullet
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Oil return control method of multi-functional multi-split system wi...
    • Patent number 12,025,353
    • Issue date Jul 2, 2024
    • GUANGDONG GIWEE TECHNOLOGY CO. LTD.
    • Min Zhou
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Oil supply system for compressor
    • Patent number 12,025,356
    • Issue date Jul 2, 2024
    • Mayekawa Mfg. Co., Ltd.
    • Kiyoshi Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigeration apparatus
    • Patent number 12,018,867
    • Issue date Jun 25, 2024
    • Daikin Industries, Ltd.
    • Masaki Yamaguchi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multistage compression system
    • Patent number 11,994,127
    • Issue date May 28, 2024
    • Daikin Industries, Ltd.
    • Daisuke Okamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Refrigerant lubrication system with side channel pump
    • Patent number 11,982,475
    • Issue date May 14, 2024
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration system and the lubrication method thereof
    • Patent number 11,965,681
    • Issue date Apr 23, 2024
    • Carrier Corporation
    • Michael A. Stark
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Enhanced method of lubrication for refrigeration compressors
    • Patent number 11,959,673
    • Issue date Apr 16, 2024
    • Carrier Corporation
    • Jeremy Wallet-Laily
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat exchange system and method for reclaiming corrosion inhibitor...
    • Patent number 11,946,673
    • Issue date Apr 2, 2024
    • Carrier Corporation
    • Xiangyuan Zhang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • 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

    Refrigeration apparatus
    • Patent number 11,906,207
    • Issue date Feb 20, 2024
    • Daikin Industries, Ltd.
    • Eiji Kumakura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Compressor lubrication supply system and compressor thereof
    • Patent number 11,898,571
    • Issue date Feb 13, 2024
    • TRANE INTERNATIONAL INC.
    • Mark W. Harrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Increasing a flow rate of oil into a compressor of a refrigeration...
    • Patent number 11,874,033
    • Issue date Jan 16, 2024
    • Hill Phoenix, Inc.
    • Senthilkumar Kandappa Goundar Shanmugam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigerant bypass solution
    • Patent number 11,859,884
    • Issue date Jan 2, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooling system with oil return to accumulator
    • Patent number 11,835,272
    • Issue date Dec 5, 2023
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    In-situ oil circulation ratio measurement system for vapor compress...
    • Patent number 11,821,663
    • Issue date Nov 21, 2023
    • Purdue Research Foundation
    • James Edward Braun
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Cooling system
    • Patent number 11,808,500
    • Issue date Nov 7, 2023
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electric compressor
    • Patent number 11,811,286
    • Issue date Nov 7, 2023
    • Kabushiki Kaisha Toyota Jidoshokki
    • Kensuke Ikai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Centrifugal separation-type oil separator
    • Patent number 11,806,730
    • Issue date Nov 7, 2023
    • Daikin Industries, Ltd.
    • Takashi Inoue
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Refrigeration system with oil control system
    • Patent number 11,796,227
    • Issue date Oct 24, 2023
    • Hill Phoenix, Inc.
    • Kim G. Christensen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multi-air conditioner for heating and cooling operations
    • Patent number 11,761,697
    • Issue date Sep 19, 2023
    • LG Electronics Inc.
    • Hyungjoon Kim
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Electrified vehicle refrigerant system
    • Patent number 11,718,148
    • Issue date Aug 8, 2023
    • Ford Global Technologies LLC
    • Angel Fernando Porras
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20250020374
    • Publication date Jan 16, 2025
    • DAIKIN INDUSTRIES, LTD.
    • Nobutaka KABASHIMA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    METHOD OF MANAGING OIL IN A MULTI-COMPRESSOR REFRIGERATION SYSTEM U...
    • Publication number 20250003661
    • Publication date Jan 2, 2025
    • DANFOSS COMMERCIAL COMPRESSORS
    • Patrice BONNEFOI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT SYSTEM AND CONTROLLING METHOD THEREOF
    • Publication number 20240426532
    • Publication date Dec 26, 2024
    • Fu Sheng Industrial Co. Ltd.
    • Wei-Hsu Lin
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONING SYSTEM, AIR CONDITIONER OUTDOOR UNIT AND COMPRESSO...
    • Publication number 20240377115
    • Publication date Nov 14, 2024
    • GD MIDEA HEATING & VENTILATING EQUIPMENT CO., LTD.
    • Hongwei LI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigeration System
    • Publication number 20240310087
    • Publication date Sep 19, 2024
    • Zhigang Long
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COOLING SYSTEM AND METHOD FOR OPERATING A COOLING SYSTEM
    • Publication number 20240280300
    • Publication date Aug 22, 2024
    • Aktiebolaget SKF
    • Rudolf HAULEITNER
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READAB...
    • Publication number 20240240806
    • Publication date Jul 18, 2024
    • Mitsubishi Electric Corporation
    • Masakazu SATO
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    COMPRESSOR LUBRICATION SUPPLY SYSTEM AND COMPRESSOR THEREOF
    • Publication number 20240183360
    • Publication date Jun 6, 2024
    • TRANE INTERNATIONAL INC.
    • Mark W. Harrison
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSOR, IN PARTICULAR REFRIGERANT COMPRESSOR, REFRIGERATION MAC...
    • Publication number 20240110734
    • Publication date Apr 4, 2024
    • thyssenkrupp Dynamic Components GmbH
    • Soeren GELKE
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    INCREASING A FLOW RATE OF OIL INTO A COMPRESSOR OF A REFRIGERATION...
    • Publication number 20240110735
    • Publication date Apr 4, 2024
    • Hill Phoenix, Inc.
    • Senthilkumar Kandappa Goundar Shanmugam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT BYPASS SOLUTION
    • Publication number 20240102710
    • Publication date Mar 28, 2024
    • SCHNEIDER ELECTRIC IT CORPORATION
    • Hongwei Yang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING SYSTEM WITH OIL RETURN TO ACCUMULATOR
    • Publication number 20240068718
    • Publication date Feb 29, 2024
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigeration System with Oil Control System
    • Publication number 20240011672
    • Publication date Jan 11, 2024
    • Hill Phoenix, Inc.
    • Kim G. Christensen
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION SYSTEM
    • Publication number 20230384008
    • Publication date Nov 30, 2023
    • Carrier Corporation
    • Wei Zhang
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigeration Cycle Apparatus
    • Publication number 20230375236
    • Publication date Nov 23, 2023
    • Mitsubishi Electric Corporation
    • Ryota YUASA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COLD SOURCE UNIT AND REFRIGERATION CYCLE APPARATUS
    • Publication number 20230366592
    • Publication date Nov 16, 2023
    • Mitsubishi Electric Corporation
    • Ryuichi NAGATA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    OIL MANAGEMENT SYSTEM FOR MULTIPLE COMPRESSORS
    • Publication number 20230349602
    • Publication date Nov 2, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Takaya ISHIGURO
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Method For Controlling Refrigerant Liquid Flood-Back Within A Chill...
    • Publication number 20230349603
    • Publication date Nov 2, 2023
    • BLUE STAR LIMITED
    • Sandeep Pasarkar
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COOLING SYSTEM WITH OIL RETURN TO OIL RESERVOIR
    • Publication number 20230280074
    • Publication date Sep 7, 2023
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20230251003
    • Publication date Aug 10, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Toyoaki KIYA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20230251004
    • Publication date Aug 10, 2023
    • Panasonic Intellectual Property Management Co., Ltd.
    • Toyoaki KIYA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION DEVICE AND COMPRESSION DEVICE
    • Publication number 20230235925
    • Publication date Jul 27, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Azuma KONDOU
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    COOLING SYSTEM WITH OIL RETURN TO ACCUMULATOR
    • Publication number 20230235929
    • Publication date Jul 27, 2023
    • Heatcraft Refrigeration Products LLC
    • Shitong Zha
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP
    • Publication number 20230135687
    • Publication date May 4, 2023
    • YANMAR POWER TECHNOLOGY CO., LTD.
    • Norihiro OKUDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    MULTI-COMPRESSOR OIL MIGRATION MITIGATION CLIMATE SYSTEM
    • Publication number 20230124191
    • Publication date Apr 20, 2023
    • Bergstrom, Inc.
    • Yevgeniy Beygel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HEAT TRANSFER CIRCUIT WITH INCREASED BEARING LUBRICANT TEMPERATURE,...
    • Publication number 20230106287
    • Publication date Apr 6, 2023
    • TRANE INTERNATIONAL INC.
    • Sung Hwa Jeung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    INCREASING A FLOW RATE OF OIL INTO A COMPRESSOR OF A REFRIGERATION...
    • Publication number 20230077084
    • Publication date Mar 9, 2023
    • Hill Phoenix, Inc.
    • Senthilkumar Kandappa Goundar Shanmugam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20230074034
    • Publication date Mar 9, 2023
    • LG ELECTRONICS INC.
    • IIyoong SHIN
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    OIL MANAGEMENT IN REFRIGERATION SYSTEMS
    • Publication number 20230076487
    • Publication date Mar 9, 2023
    • Hill Phoenix, Inc.
    • Senthilkumar Kandappa Goundar Shanmugam
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    CENTRIFUGAL SEPARATION-TYPE OIL SEPARATOR
    • Publication number 20230018165
    • Publication date Jan 19, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Takashi INOUE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL