EP0255035A3 - Refrigeration circuit - Google Patents

Refrigeration circuit Download PDF

Info

Publication number: EP0255035A3
Authority: EP; European Patent Office
Prior art keywords: refrigeration circuit; refrigeration; circuit
Prior art date: 1986-07-23
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

EP87110619A

Other versions

EP0255035B1 (en

EP0255035A2 (en

Inventor

Sato Motoharu

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.)

Sanden Corp

Original Assignee

Sanden 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.)

1986-07-23

Filing date

1987-07-22

Publication date

1989-11-15

1987-07-22 Application filed by Sanden Corp filed Critical Sanden Corp

1988-02-03 Publication of EP0255035A2 publication Critical patent/EP0255035A2/en

1989-11-15 Publication of EP0255035A3 publication Critical patent/EP0255035A3/en

1991-09-11 Application granted granted Critical

1991-09-11 Publication of EP0255035B1 publication Critical patent/EP0255035B1/en

2007-07-22 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
- F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via diaphragms
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- 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
- F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
- 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
- F25B2600/00—Control issues
- F25B2600/19—Refrigerant outlet condenser temperature

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Fluid Mechanics (AREA)
Air-Conditioning For Vehicles (AREA)
Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Sorption Type Refrigeration Machines (AREA)
Devices That Are Associated With Refrigeration Equipment (AREA)

EP87110619A 1986-07-23 1987-07-22 Refrigeration circuit Expired - Lifetime EP0255035B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP61171714A JPS6329165A (en)	1986-07-23	1986-07-23	Refrigerant controller for refrigeration cycle
JP171714/86		1986-07-23

Publications (3)

Publication Number	Publication Date
EP0255035A2 EP0255035A2 (en)	1988-02-03
EP0255035A3 true EP0255035A3 (en)	1989-11-15
EP0255035B1 EP0255035B1 (en)	1991-09-11

Family

ID=15928314

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP87110619A Expired - Lifetime EP0255035B1 (en)	1986-07-23	1987-07-22	Refrigeration circuit

Country Status (5)

Country	Link
EP (1)	EP0255035B1 (en)
JP (1)	JPS6329165A (en)
KR (1)	KR960002567B1 (en)
AU (1)	AU599120B2 (en)
DE (1)	DE3772894D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5205131A (en) *	1991-03-19	1993-04-27	White Consoldiated Industries, Inc.	Refrigerator system with subcooling flow control
EP1012514A4 (en)	1997-09-05	2005-06-08	Fisher & Paykel Appliances Ltd	Refrigeration system with variable sub-cooling
FR2774461B1 (en) *	1998-01-30	2000-06-30	Valeo Climatisation	AIR CONDITIONING DEVICE, IN PARTICULAR OF THE INTERIOR OF A MOTOR VEHICLE, COMPRISING A LOOP OF REFRIGERANT FLUID
FR2780143B1 (en) *	1998-06-23	2000-09-08	Valeo Climatisation	IMPROVED REFRIGERANT FLUID LOOP FOR VEHICLE AIR CONDITIONING SYSTEM
JP3517369B2 (en)	1998-09-18	2004-04-12	株式会社テージーケー	Subcooling degree controlled expansion valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2603682B2 (en) *	1976-01-31	1977-11-24	Danfoss A/S, Nordborg (Dänemark)	VALVE ARRANGEMENT FOR REFRIGERATION SYSTEMS
US4136528A (en) *	1977-01-13	1979-01-30	Mcquay-Perfex Inc.	Refrigeration system subcooling control
US4193781A (en) *	1978-04-28	1980-03-18	Mcquay-Perfex Inc.	Head pressure control for heat reclaim refrigeration systems
DE3229779A1 (en) *	1981-08-12	1983-04-28	Mitsubishi Denki K.K., Tokyo	COOLING SYSTEM WITH SUB-COOLING TO CONTROL THE REFRIGERANT FLOW
EP0147855A2 (en) *	1983-12-28	1985-07-10	Kabushiki Kaisha Saginomiya Seisakusho	Refrigerating system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5577677A (en) *	1978-12-08	1980-06-11	Nippon Denso Co	Refrigerating plant
JPS58205060A (en) *	1982-05-26	1983-11-29	株式会社東芝	Refrigeration cycle
JPS60178768U (en) *	1984-05-07	1985-11-27	サンデン株式会社	Refrigeration circuit

1986
- 1986-07-23 JP JP61171714A patent/JPS6329165A/en active Pending
1987
- 1987-07-22 AU AU76024/87A patent/AU599120B2/en not_active Ceased
- 1987-07-22 DE DE8787110619T patent/DE3772894D1/en not_active Expired - Lifetime
- 1987-07-22 EP EP87110619A patent/EP0255035B1/en not_active Expired - Lifetime
- 1987-07-23 KR KR1019870008008A patent/KR960002567B1/en not_active IP Right Cessation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2603682B2 (en) *	1976-01-31	1977-11-24	Danfoss A/S, Nordborg (Dänemark)	VALVE ARRANGEMENT FOR REFRIGERATION SYSTEMS
US4136528A (en) *	1977-01-13	1979-01-30	Mcquay-Perfex Inc.	Refrigeration system subcooling control
US4193781A (en) *	1978-04-28	1980-03-18	Mcquay-Perfex Inc.	Head pressure control for heat reclaim refrigeration systems
DE3229779A1 (en) *	1981-08-12	1983-04-28	Mitsubishi Denki K.K., Tokyo	COOLING SYSTEM WITH SUB-COOLING TO CONTROL THE REFRIGERANT FLOW
EP0147855A2 (en) *	1983-12-28	1985-07-10	Kabushiki Kaisha Saginomiya Seisakusho	Refrigerating system

Also Published As

Publication number	Publication date
EP0255035B1 (en)	1991-09-11
KR960002567B1 (en)	1996-02-22
KR880001990A (en)	1988-04-28
EP0255035A2 (en)	1988-02-03
JPS6329165A (en)	1988-02-06
AU599120B2 (en)	1990-07-12
DE3772894D1 (en)	1991-10-17
AU7602487A (en)	1988-01-28

Publication	Publication Date	Title
GB2197444B (en)	1990-07-18	Refrigerator
EP0248370A3 (en)	1988-05-18	Refrigerator
GB8721827D0 (en)	1987-10-21	Circuit
GB8624027D0 (en)	1986-11-12	Circuit arrangement
GB8615467D0 (en)	1986-07-30	Cmos-input circuit
GB8630314D0 (en)	1987-01-28	Circuit arrangement
DE3568485D1 (en)	1989-04-06	Refrigeration circuit
GB8723024D0 (en)	1987-11-04	Circuit arrangement
EP0283323A3 (en)	1989-05-17	Refrigeration circuit
GB8705309D0 (en)	1987-04-08	Circuit arrangement
GB8711299D0 (en)	1987-06-17	Circuit diagram
GB8722177D0 (en)	1987-10-28	Circuit arrangement
EP0255035A3 (en)	1989-11-15	Refrigeration circuit
GB8706310D0 (en)	1987-04-23	Circuit
GB8603113D0 (en)	1986-03-12	Reference circuit
GB8710182D0 (en)	1987-06-03	Circuit unit
GB2190795B (en)	1990-01-10	Circuit arrangement
GB8711498D0 (en)	1987-06-17	Circuit
GB8727453D0 (en)	1987-12-23	Circuit arrangement
GB8716505D0 (en)	1987-08-19	Circuit
GB8629947D0 (en)	1987-01-28	Circuit
GB8726330D0 (en)	1987-12-16	Circuit technique
GB8713521D0 (en)	1987-07-15	Circuit arrangement
GB8630407D0 (en)	1987-01-28	Circuit arrangement
GB8627479D0 (en)	1986-12-17	Refrigerators

Legal Events

Date	Code	Title	Description
1987-12-19	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
1988-02-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT SE
1989-09-26	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-11-15	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT SE
1989-11-23	RHK1	Main classification (correction)	Ipc: F25B 41/00
1989-12-20	17P	Request for examination filed	Effective date: 19891019
1990-06-27	17Q	First examination report despatched	Effective date: 19900514
1991-07-24	ITF	It: translation for a ep patent filed
1991-07-26	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-09-11	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB IT SE
1991-10-17	REF	Corresponds to:	Ref document number: 3772894 Country of ref document: DE Date of ref document: 19911017
1991-10-18	ET	Fr: translation filed
1992-07-16	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-07-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-09-02	26N	No opposition filed
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 87110619.1
1995-07-11	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19950711 Year of fee payment: 9 Ref country code: FR Payment date: 19950711 Year of fee payment: 9
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1997-03-12	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19960722
1997-03-28	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19970328
1997-04-02	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19970402
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2005-07-22	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED. Effective date: 20050722