EP0412474A3 - Method of operation of a refrigeration system - Google Patents

Method of operation of a refrigeration system Download PDF

Info

Publication number: EP0412474A3
Authority: EP; European Patent Office
Prior art keywords: refrigeration system; refrigeration
Prior art date: 1989-08-08
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

EP19900115029

Other languages

German (de)

Other versions

EP0412474A2 (en

EP0412474B1 (en

Inventor

Gerd Dipl.-Ing. Boeckmann

Peter Dipl.-Ing. Fischer

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.)

Linde GmbH

Original Assignee

Linde GmbH

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.)

1989-08-08

Filing date

1990-08-04

Publication date

1991-07-03

1990-08-04 Application filed by Linde GmbH filed Critical Linde GmbH

1991-02-13 Publication of EP0412474A2 publication Critical patent/EP0412474A2/en

1991-07-03 Publication of EP0412474A3 publication Critical patent/EP0412474A3/en

1994-01-19 Application granted granted Critical

1994-01-19 Publication of EP0412474B1 publication Critical patent/EP0412474B1/en

2010-08-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity 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
- 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
- F25B49/022—Compressor control arrangements
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
- 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/22—Refrigeration systems for supermarkets

EP90115029A 1989-08-08 1990-08-04 Refrigeration system and method of operating such a system Expired - Lifetime EP0412474B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3926191		1989-08-08
DE3926191A DE3926191A1 (en)	1989-08-08	1989-08-08	METHOD FOR OPERATING A REFRIGERATION SYSTEM

Publications (3)

Publication Number	Publication Date
EP0412474A2 EP0412474A2 (en)	1991-02-13
EP0412474A3 true EP0412474A3 (en)	1991-07-03
EP0412474B1 EP0412474B1 (en)	1994-01-19

Family

ID=6386729

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP90115029A Expired - Lifetime EP0412474B1 (en)	1989-08-08	1990-08-04	Refrigeration system and method of operating such a system

Country Status (2)

Country	Link
EP (1)	EP0412474B1 (en)
DE (2)	DE3926191A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5369597A (en) *	1992-12-21	1994-11-29	Bujak, Jr.; Walter E.	System for controlling heating or cooling capacity in heating or air conditioning systems
FR2783309B1 (en) *	1998-09-16	2000-10-13	Mc International	METHOD FOR REGULATING THE RATE OF COMPRESSION OF A REFRIGERANT FLUID BY INCREASING THE EVAPORATION PRESSURE AND REFRIGERATION INSTALLATION
DE10011110B4 (en) *	2000-03-09	2004-08-26	Danfoss A/S	Process for detecting faults in a cooling system
US7127901B2 (en)	2001-07-20	2006-10-31	Brooks Automation, Inc.	Helium management control system
ATE433557T1 (en) *	2002-09-13	2009-06-15	Whirlpool Co	METHOD FOR CONTROLLING A REFRIGERATOR HAVING MULTIPLE REFRIGERATOR COMPARTMENTS AND REFRIGERATOR USING SUCH METHOD
US7231773B2 (en) *	2004-04-12	2007-06-19	York International Corporation	Startup control system and method for a multiple compressor chiller system
US7207183B2 (en)	2004-04-12	2007-04-24	York International Corp.	System and method for capacity control in a multiple compressor chiller system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2274336A (en) *	1936-04-18	1942-02-24	Westinghouse Electric & Mfg Co	Control system for refrigerating apparatus
US3948060A (en) *	1972-05-24	1976-04-06	Andre Jean Gaspard	Air conditioning system particularly for producing refrigerated air
US4084388A (en) *	1976-11-08	1978-04-18	Honeywell Inc.	Refrigeration control system for optimum demand operation
US4344293A (en) *	1980-02-25	1982-08-17	Nippon Soken, Inc.	Apparatus responsive to the amount of refrigerant flow in a refrigerant flow in a refrigerant circulating system
US4384462A (en) *	1980-11-20	1983-05-24	Friedrich Air Conditioning & Refrigeration Co.	Multiple compressor refrigeration system and controller thereof
US4487028A (en) *	1983-09-22	1984-12-11	The Trane Company	Control for a variable capacity temperature conditioning system

1989
- 1989-08-08 DE DE3926191A patent/DE3926191A1/en not_active Withdrawn
1990
- 1990-08-04 DE DE90115029T patent/DE59004297D1/en not_active Expired - Fee Related
- 1990-08-04 EP EP90115029A patent/EP0412474B1/en not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2274336A (en) *	1936-04-18	1942-02-24	Westinghouse Electric & Mfg Co	Control system for refrigerating apparatus
US3948060A (en) *	1972-05-24	1976-04-06	Andre Jean Gaspard	Air conditioning system particularly for producing refrigerated air
US4084388A (en) *	1976-11-08	1978-04-18	Honeywell Inc.	Refrigeration control system for optimum demand operation
US4344293A (en) *	1980-02-25	1982-08-17	Nippon Soken, Inc.	Apparatus responsive to the amount of refrigerant flow in a refrigerant flow in a refrigerant circulating system
US4384462A (en) *	1980-11-20	1983-05-24	Friedrich Air Conditioning & Refrigeration Co.	Multiple compressor refrigeration system and controller thereof
US4487028A (en) *	1983-09-22	1984-12-11	The Trane Company	Control for a variable capacity temperature conditioning system

Also Published As

Publication number	Publication date
EP0412474A2 (en)	1991-02-13
DE59004297D1 (en)	1994-03-03
DE3926191A1 (en)	1991-02-14
EP0412474B1 (en)	1994-01-19

Legal Events

Date	Code	Title	Description
1990-12-29	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
1991-02-13	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI NL SE
1991-05-14	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-07-03	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI NL SE
1991-09-11	17P	Request for examination filed	Effective date: 19910713
1992-02-26	17Q	First examination report despatched	Effective date: 19920114
1993-10-29	ITF	It: translation for a ep patent filed	Owner name: DE DOMINICIS & MAYER S.
1993-12-03	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-01-19	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI NL SE
1994-01-19	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19940119
1994-02-16	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19940118
1994-02-25	ET	Fr: translation filed
1994-03-03	REF	Corresponds to:	Ref document number: 59004297 Country of ref document: DE Date of ref document: 19940303
1994-07-18	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1994-11-19	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-11-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-01-11	26N	No opposition filed
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 90115029.2
1998-07-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19980727 Year of fee payment: 9
1998-08-06	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19980806 Year of fee payment: 9
1998-08-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19980814 Year of fee payment: 9
1998-08-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19980818 Year of fee payment: 9
1998-08-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19980824 Year of fee payment: 9
1999-08-04	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990804
1999-08-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19990830
1999-08-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990831 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990831
2000-03-29	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19990804
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2000-05-02	EUG	Se: european patent has lapsed	Ref document number: 90115029.2
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