TREA

using three four-way valves

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Industry

  • CPC
  • F25B2313/02743
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT-PUMP SYSTEMS F25B2313/00Compression machines, plant, or systems with reversible cycle not otherwise provided for

Current Industry

F25B2313/02743using three four-way valves
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner
    • Patent number 12,331,969
    • Issue date Jun 17, 2025
    • LG Electronics Inc.
    • Woojoo Choi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Managing charge allocation and optimizing multi-mode performance of...
    • Patent number 12,313,304
    • Issue date May 27, 2025
    • UT-Battelle, LLC
    • Jeffrey D. Munk
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Climate-control system with thermal storage
    • Patent number 12,259,163
    • Issue date Mar 25, 2025
    • Copeland LP
    • Brian R. Butler
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 12,253,277
    • Issue date Mar 18, 2025
    • Daikin Industries, Ltd.
    • Atsushi Yoshimi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 12,163,712
    • Issue date Dec 10, 2024
    • Daikin Industries, Ltd.
    • Atsushi Yoshimi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Energy efficient heat pump with valve system and counterflow arrang...
    • Patent number 12,018,871
    • Issue date Jun 25, 2024
    • Tyco Fire & Security GmbH
    • Rong Yu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Methods and systems for operating HVAC systems in low load conditions
    • Patent number 11,573,038
    • Issue date Feb 7, 2023
    • Lennox Industries Inc.
    • Der-Kai Hung
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Methods and systems for operating HVAC systems in low load conditions
    • Patent number 11,493,250
    • Issue date Nov 8, 2022
    • Lennox Industries Inc.
    • Der-Kai Hung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Refrigeration cycle apparatus having heat exchanger switchable betw...
    • Patent number 11,175,080
    • Issue date Nov 16, 2021
    • Mitsubishi Electric Corporation
    • Takumi Nishiyama
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Methods and systems for operating HVAC systems in low load conditions
    • Patent number 11,092,368
    • Issue date Aug 17, 2021
    • Lennox Industries Inc.
    • Der-Kai Hung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner system and a control method for the same
    • Patent number 10,914,486
    • Issue date Feb 9, 2021
    • Xinli Wang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Refrigerant cycle apparatus and air conditioning apparatus includin...
    • Patent number 10,907,866
    • Issue date Feb 2, 2021
    • Mitsubishi Electric Corporation
    • Takuya Matsuda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,436,463
    • Issue date Oct 8, 2019
    • Mitsubishi Electric Corporation
    • Yuji Motomura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,408,477
    • Issue date Sep 10, 2019
    • Mitsubishi Electric Corporation
    • Daisuke Shimamoto
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,393,419
    • Issue date Aug 27, 2019
    • Mitsubishi Electric Corporation
    • Katsuhiro Ishimura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Methods and systems for operating HVAC systems in low load conditions
    • Patent number 10,365,025
    • Issue date Jul 30, 2019
    • Lennox Industries, Inc.
    • Der-Kai Hung
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,359,207
    • Issue date Jul 23, 2019
    • Mitsubishi Electric Corporation
    • Yuji Motomura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Variable refrigerant flow system operation in low ambient conditions
    • Patent number 10,337,780
    • Issue date Jul 2, 2019
    • Lennox Industries Inc.
    • Der-Kai Hung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air conditioner
    • Patent number 10,215,452
    • Issue date Feb 26, 2019
    • Mitsubishi Electric Corporation
    • Mizuki Ogawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,107,537
    • Issue date Oct 23, 2018
    • Mitsubishi Electric Corporation
    • Katsuhiro Ishimura
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 10,088,209
    • Issue date Oct 2, 2018
    • Fujitsu General Limited
    • Keito Kawai
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 10,018,390
    • Issue date Jul 10, 2018
    • Mitsubishi Electric Corporation
    • Daisuke Shimamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus providing defrosting without suspending...
    • Patent number 10,001,317
    • Issue date Jun 19, 2018
    • Mitsubishi Electric Corporation
    • Naofumi Takenaka
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 9,933,192
    • Issue date Apr 3, 2018
    • Mitsubishi Electric Corporation
    • Koji Yamashita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 9,890,974
    • Issue date Feb 13, 2018
    • Mitsubishi Electric Corporation
    • Koji Yamashita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 9,797,608
    • Issue date Oct 24, 2017
    • Mitsubishi Electric Corporation
    • Daisuke Shimamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Flow switching device and air-conditioning apparatus including the...
    • Patent number 9,766,000
    • Issue date Sep 19, 2017
    • Mitsubishi Electric Corporation
    • Takayoshi Honda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Outdoor unit of air-conditioner, two-pipe air-conditioning system a...
    • Patent number 9,683,760
    • Issue date Jun 20, 2017
    • GD Midea Heating & Ventilating Equip. Co., Ltd.
    • Xianjin Sun
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air-conditioning apparatus
    • Patent number 9,638,430
    • Issue date May 2, 2017
    • Mitsubishi Electric Corporation
    • Yuji Motomura
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Heat pump apparatus
    • Patent number 9,528,732
    • Issue date Dec 27, 2016
    • Samsung Electronics Co., Ltd.
    • Sung Goo Kim
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    ENERGY EFFICIENT HEAT PUMP WITH VALVE SYSTEM AND COUNTERFLOW ARRANG...
    • Publication number 20240344746
    • Publication date Oct 17, 2024
    • TYCO FIRE & SECURITY GMBH
    • Rong Yu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    MANAGING CHARGE ALLOCATION AND OPTIMIZING MULTI-MODE PERFORMANCE OF...
    • Publication number 20240011674
    • Publication date Jan 11, 2024
    • UT-Battelle, LLC
    • Jeffrey D. Munk
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Climate-Control System With Thermal Storage
    • Publication number 20230392835
    • Publication date Dec 7, 2023
    • Emerson Climate Technologies, Inc.
    • Brian R. BUTLER
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    ENERGY EFFICIENT HEAT PUMP WITH VALVE SYSTEM AND COUNTERFLOW ARRANG...
    • Publication number 20230341158
    • Publication date Oct 26, 2023
    • Johnson Controls Tyco IP Holdings LLP
    • Rong Yu
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    VARIABLE REFRIGERANT FLOW SYSTEM AND CONTROL METHOD
    • Publication number 20230304708
    • Publication date Sep 28, 2023
    • Guangdong Carrier HVAC Co., Ltd.
    • Xiangshi Mai
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20230094976
    • Publication date Mar 30, 2023
    • LG ELECTRONICS INC.
    • Woojoo Choi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    AIR CONDITIONING SYSTEM
    • Publication number 20230068005
    • Publication date Mar 2, 2023
    • DAIKIN INDUSTRIES, LTD.
    • Kazuki Ikari
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20220214056
    • Publication date Jul 7, 2022
    • DAIKIN INDUSTRIES, LTD.
    • Atsushi Yoshimi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    METHODS AND SYSTEMS FOR OPERATING HVAC SYSTEMS IN LOW LOAD CONDITIONS
    • Publication number 20190323750
    • Publication date Oct 24, 2019
    • Lennox Industries Inc.
    • Der-Kai Hung
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERANT CYCLE APPARATUS AND AIR CONDITIONING APPARATUS INCLUDIN...
    • Publication number 20190137148
    • Publication date May 9, 2019
    • Mitsubishi Electric Corporation
    • Takuya MATSUDA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20170191706
    • Publication date Jul 6, 2017
    • MITSUBISHI ELECTRIC CORPORATION
    • Mizuki OGAWA
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20140311177
    • Publication date Oct 23, 2014
    • Tetsuya Okamoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP APPARATUS
    • Publication number 20140116072
    • Publication date May 1, 2014
    • Samsung Electronics Co., Ltd.
    • Sung Goo KIM
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    HEAT SOURCE UNIT
    • Publication number 20130333409
    • Publication date Dec 19, 2013
    • TOSHIBA Carrier Corporation
    • Hideki TANNO
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20130227978
    • Publication date Sep 5, 2013
    • FUJITSU GENERAL LIMITED
    • Keito KAWAI
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS
    • Publication number 20130192283
    • Publication date Aug 1, 2013
    • Mitsubishi Electric Corporation
    • Koji Yamashita
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    AIR CONDITIONER
    • Publication number 20130145785
    • Publication date Jun 13, 2013
    • Samsung Electronics Co., Ltd.
    • Nakagawa Nobuhiro
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS
    • Publication number 20120304681
    • Publication date Dec 6, 2012
    • Mitsubishi Electric Corporation
    • Hiroyuki Morimoto
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP SYSTEM
    • Publication number 20120285188
    • Publication date Nov 15, 2012
    • DAIKIN EUROPE N.V.
    • Masahiro Honda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT PUMP SYSTEM
    • Publication number 20120260685
    • Publication date Oct 18, 2012
    • DAIKIN EUROPE N.V.
    • Masahiro Honda
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS
    • Publication number 20120131948
    • Publication date May 31, 2012
    • MITSUBISHI ELECTRIC CORPORATION
    • Koji Yamashita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT SOURCE UNIT
    • Publication number 20120125033
    • Publication date May 24, 2012
    • TOSHIBA Carrier Corporation
    • Hideki TANNO
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS
    • Publication number 20120118530
    • Publication date May 17, 2012
    • MITSUBISHI ELECTRIC CORPORATION
    • Koji Yamashita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR-CONDITIONING APPARATUS
    • Publication number 20120118005
    • Publication date May 17, 2012
    • MITSUBISHI ELRCTRIC CORPORATION
    • Koji Yamashita
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    AIR CONDITIONING APPARATUS
    • Publication number 20110061413
    • Publication date Mar 17, 2011
    • DAIKIN INDUSTRIES, LTD.
    • Takayuki Setoguchi
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION SYSTEM
    • Publication number 20100326125
    • Publication date Dec 30, 2010
    • Satoru Sakae
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    HEAT SOURCE UNIT OF REFRIGERATION SYSTEM AND REFRIGERATION SYSTEM
    • Publication number 20100319376
    • Publication date Dec 23, 2010
    • Satoshi Kawano
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    REFRIGERATION APPARATUS
    • Publication number 20100251738
    • Publication date Oct 7, 2010
    • Masaaki Takegami
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Refrigeration apparatus
    • Publication number 20100139312
    • Publication date Jun 10, 2010
    • Masaaki Takegami
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Thermal Storage Air Conditioner
    • Publication number 20100089080
    • Publication date Apr 15, 2010
    • LG ELECTRONICS INC.
    • Jae Yoon Koh
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...