EP3859253A4 - SYSTEM FOR THERMAL LOAD PROCESSING - Google Patents

SYSTEM FOR THERMAL LOAD PROCESSING Download PDF

Info

Publication number: EP3859253A4
Authority: EP; European Patent Office
Prior art keywords: thermal load; load processing; processing; thermal; load
Prior art date: 2018-09-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP19867917.7A

Other languages

German (de)

French (fr)

Other versions

EP3859253A1 (en

Inventor

Toshiyuki Kobayashi

Toshiyuki Momono

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Daikin Industries Ltd

Original Assignee

Daikin Industries Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2018-09-28

Filing date

2019-09-24

Publication date

2021-11-10

2019-09-24 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2021-08-04 Publication of EP3859253A1 publication Critical patent/EP3859253A1/en

2021-11-10 Publication of EP3859253A4 publication Critical patent/EP3859253A4/en

Status Withdrawn legal-status Critical Current

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/06—Several compression cycles arranged in parallel
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—Component parts or details not otherwise provided for in this subclass
- F25B2400/13—Economisers
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/27—Problems to be solved characterised by the stop of the refrigeration cycle
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21162—Temperatures of a condenser of the refrigerant at the inlet of the condenser
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Air Conditioning Control Device (AREA)

EP19867917.7A 2018-09-28 2019-09-24 SYSTEM FOR THERMAL LOAD PROCESSING Withdrawn EP3859253A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018184833A JP2020051738A (en)	2018-09-28	2018-09-28	Heat load treatment system
PCT/JP2019/037321 WO2020067041A1 (en)	2018-09-28	2019-09-24	Heat load processing system

Publications (2)

Publication Number	Publication Date
EP3859253A1 EP3859253A1 (en)	2021-08-04
EP3859253A4 true EP3859253A4 (en)	2021-11-10

Family

ID=69953493

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19867917.7A Withdrawn EP3859253A4 (en)	2018-09-28	2019-09-24	SYSTEM FOR THERMAL LOAD PROCESSING

Country Status (5)

Country	Link
US (1)	US20210348820A1 (en)
EP (1)	EP3859253A4 (en)
JP (1)	JP2020051738A (en)
CN (1)	CN112752939A (en)
WO (1)	WO2020067041A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10119738B2 (en)	2014-09-26	2018-11-06	Waterfurnace International Inc.	Air conditioning system with vapor injection compressor
US10871314B2 (en)	2016-07-08	2020-12-22	Climate Master, Inc.	Heat pump and water heater
US10866002B2 (en)	2016-11-09	2020-12-15	Climate Master, Inc.	Hybrid heat pump with improved dehumidification
EP3690339A4 (en) *	2017-09-28	2021-11-10	Daikin Industries, Ltd.	CONTROL DEVICE OF AN ENVIRONMENTAL CONTROL MEANS
US11592215B2 (en)	2018-08-29	2023-02-28	Waterfurnace International, Inc.	Integrated demand water heating using a capacity modulated heat pump with desuperheater
CA3081986A1 (en)	2019-07-15	2021-01-15	Climate Master, Inc.	Air conditioning system with capacity control and controlled hot water generation
US11231198B2 (en)	2019-09-05	2022-01-25	Trane International Inc.	Systems and methods for refrigerant leak detection in a climate control system
JPWO2022244158A1 (en) *	2021-05-19	2022-11-24
US11953241B2 (en) *	2021-09-06	2024-04-09	Inventec (Pudong) Technology Corporation	Condenser and open loop two phase cooling system
US12181189B2 (en)	2021-11-10	2024-12-31	Climate Master, Inc.	Ceiling-mountable heat pump system
US12487008B2 (en)	2022-01-14	2025-12-02	Trane International Inc.	Method of commissioning an HVAC system
JP2023140445A (en)	2022-03-23	2023-10-05	三菱重工サーマルシステムズ株式会社	Chilling unit, control method, and program
CN115031345B (en) *	2022-04-18	2024-06-18	北京小米移动软件有限公司	Air conditioner, refrigerant leakage detection method and device thereof, control equipment and medium
US12117191B2 (en)	2022-06-24	2024-10-15	Trane International Inc.	Climate control system with improved leak detector
US12523404B2 (en)	2023-01-25	2026-01-13	Copeland Lp	Retrofit for fan control in refrigerated cases
WO2025126310A1 (en) *	2023-12-12	2025-06-19	三菱電機株式会社	Chilling unit
US20250305716A1 (en) *	2024-03-29	2025-10-02	Mitsubishi Electric Us, Inc.	Air conditioner containing drain pan and refrigerant sensor
CN121720168A (en) *	2024-09-23	2026-03-24	青岛海信日立空调系统有限公司	Air conditioning system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2016223749A (en) *	2015-06-03	2016-12-28	三菱電機株式会社	Air conditioner
DE102016111554A1 (en) *	2015-06-26	2017-01-26	Volkswagen Aktiengesellschaft	Functional component
JP2018009769A (en) *	2016-07-15	2018-01-18	ダイキン工業株式会社	Refrigeration system
JP2018066491A (en) *	2016-10-17	2018-04-26	ダイキン工業株式会社	Refrigeration equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2006038323A (en)	2004-07-26	2006-02-09	Daikin Ind Ltd	Cooling device
JP5794279B2 (en) *	2013-11-14	2015-10-14	ダイキン工業株式会社	Air conditioner
CN105987548B (en) *	2015-02-03	2019-06-07	Tcl空调器(中山)有限公司	Refrigeration system method for detecting operation state and device
JP6598878B2 (en) *	2015-12-21	2019-10-30	三菱電機株式会社	Refrigeration cycle equipment

2018
- 2018-09-28 JP JP2018184833A patent/JP2020051738A/en active Pending
2019
- 2019-09-24 EP EP19867917.7A patent/EP3859253A4/en not_active Withdrawn
- 2019-09-24 WO PCT/JP2019/037321 patent/WO2020067041A1/en not_active Ceased
- 2019-09-24 US US17/280,645 patent/US20210348820A1/en not_active Abandoned
- 2019-09-24 CN CN201980063690.6A patent/CN112752939A/en active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2016223749A (en) *	2015-06-03	2016-12-28	三菱電機株式会社	Air conditioner
DE102016111554A1 (en) *	2015-06-26	2017-01-26	Volkswagen Aktiengesellschaft	Functional component
JP2018009769A (en) *	2016-07-15	2018-01-18	ダイキン工業株式会社	Refrigeration system
JP2018066491A (en) *	2016-10-17	2018-04-26	ダイキン工業株式会社	Refrigeration equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020067041A1 *

Also Published As

Publication number	Publication date
JP2020051738A (en)	2020-04-02
WO2020067041A1 (en)	2020-04-02
CN112752939A (en)	2021-05-04
US20210348820A1 (en)	2021-11-11
EP3859253A1 (en)	2021-08-04

Legal Events

Date	Code	Title	Description
2020-04-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-07-02	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2021-07-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-08-04	17P	Request for examination filed	Effective date: 20210412
2021-08-04	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2021-11-10	A4	Supplementary search report drawn up and despatched	Effective date: 20211008
2021-11-10	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 1/00 20060101ALI20211004BHEP Ipc: F25B 49/02 20060101AFI20211004BHEP
2022-01-05	DAV	Request for validation of the european patent (deleted)
2022-01-05	DAX	Request for extension of the european patent (deleted)
2022-07-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2022-08-10	17Q	First examination report despatched	Effective date: 20220708
2022-11-04	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN
2022-12-07	18W	Application withdrawn	Effective date: 20221103

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