EP3842675A4 - Flow passage switching valve - Google Patents

Flow passage switching valve Download PDF

Info

Publication number: EP3842675A4
Authority: EP; European Patent Office
Prior art keywords: flow passage; switching valve; passage switching; valve; flow
Prior art date: 2018-08-23
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.): Granted

Application number

EP19851510.8A

Other languages

German (de)

French (fr)

Other versions

EP3842675A1 (en

EP3842675B1 (en

Inventor

Hitoshi Kibune

Naotaka Fujita

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.)

Fujikoki Corp

Original Assignee

Fujikoki Corp

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.)

2018-08-23

Filing date

2019-08-02

Publication date

2022-05-25

2019-08-02 Application filed by Fujikoki Corp filed Critical Fujikoki Corp

2021-06-30 Publication of EP3842675A1 publication Critical patent/EP3842675A1/en

2022-05-25 Publication of EP3842675A4 publication Critical patent/EP3842675A4/en

2023-06-21 Application granted granted Critical

2023-06-21 Publication of EP3842675B1 publication Critical patent/EP3842675B1/en

Status Active legal-status Critical Current

2039-08-02 Anticipated expiration legal-status Critical

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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Multiple-Way Valves (AREA)
Fluid-Driven Valves (AREA)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

EP19851510.8A 2018-08-23 2019-08-02 Flow passage switching valve Active EP3842675B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018156472A JP6947401B2 (en)	2018-08-23	2018-08-23	Flow switching valve
PCT/JP2019/030393 WO2020039888A1 (en)	2018-08-23	2019-08-02	Flow passage switching valve

Publications (3)

Publication Number	Publication Date
EP3842675A1 EP3842675A1 (en)	2021-06-30
EP3842675A4 true EP3842675A4 (en)	2022-05-25
EP3842675B1 EP3842675B1 (en)	2023-06-21

Family

ID=69592771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19851510.8A Active EP3842675B1 (en)	2018-08-23	2019-08-02	Flow passage switching valve

Country Status (4)

Country	Link
EP (1)	EP3842675B1 (en)
JP (1)	JP6947401B2 (en)
CN (1)	CN112585385B (en)
WO (1)	WO2020039888A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6983410B2 (en) *	2018-08-23	2021-12-17	株式会社不二工機	Flow switching valve

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2018044666A (en) *	2016-09-12	2018-03-22	株式会社不二工機	Hexagonal changeover valve

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH504639A (en) *	1970-07-13	1971-03-15	Technomatic Ag	Control spool
JPS50101921A (en) *	1974-01-11	1975-08-12
US4564045A (en) *	1984-06-18	1986-01-14	Koch Rudolf K	Reversing valve construction and method of making the same
JPH08170864A (en)	1994-12-19	1996-07-02	Sanyo Electric Co Ltd	Heat pump air conditioning apparatus and defrosting method
JP2000046213A (en) *	1998-07-28	2000-02-18	Calsonic Corp	Flow path switching valve
JP2005076840A (en) *	2003-09-03	2005-03-24	Saginomiya Seisakusho Inc	Passage selector valve, and refrigerating cycle
JP2005256853A (en) *	2004-03-09	2005-09-22	Saginomiya Seisakusho Inc	Flow passage change-over valve
JP4940853B2 (en) *	2006-09-21	2012-05-30	ダイキン工業株式会社	Four-way switching valve for refrigerant
JP5087677B2 (en) *	2008-06-02	2012-12-05	株式会社鷺宮製作所	Flow path switching valve
JP5997491B2 (en) *	2012-04-24	2016-09-28	株式会社不二工機	Four-way selector valve
JP6530991B2 (en) *	2015-07-21	2019-06-12	株式会社不二工機	Direct acting solenoid valve and four-way switching valve equipped with the same as a pilot valve
JP6476152B2 (en) *	2016-06-13	2019-02-27	株式会社鷺宮製作所	Sliding switching valve and refrigeration cycle system
JP6515163B2 (en) *	2017-09-29	2019-05-15	株式会社不二工機	Six-way switching valve
JP6983410B2 (en) *	2018-08-23	2021-12-17	株式会社不二工機	Flow switching valve

2018
- 2018-08-23 JP JP2018156472A patent/JP6947401B2/en active Active
2019
- 2019-08-02 CN CN201980055530.7A patent/CN112585385B/en active Active
- 2019-08-02 WO PCT/JP2019/030393 patent/WO2020039888A1/en unknown
- 2019-08-02 EP EP19851510.8A patent/EP3842675B1/en active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2018044666A (en) *	2016-09-12	2018-03-22	株式会社不二工機	Hexagonal changeover valve

Also Published As

Publication number	Publication date
WO2020039888A1 (en)	2020-02-27
CN112585385B (en)	2024-04-12
CN112585385A (en)	2021-03-30
JP6947401B2 (en)	2021-10-13
EP3842675A1 (en)	2021-06-30
EP3842675B1 (en)	2023-06-21
JP2020029920A (en)	2020-02-27

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