EP0345098A3 - Refrigeration system - Google Patents

Refrigeration system Download PDF

Info

Publication number: EP0345098A3
Authority: EP; European Patent Office
Prior art keywords: refrigeration system; refrigeration
Prior art date: 1988-06-02
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

EP19890305704

Other versions

EP0345098A2 (en

EP0345098B1 (en

Inventor

Derrick Edward Gardner

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.)

Hussmann Manufacturing Ltd

Original Assignee

CRAIG-NICOL 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.)

1988-06-02

Filing date

1989-06-01

Publication date

1990-12-12

1989-06-01 Application filed by CRAIG-NICOL Ltd filed Critical CRAIG-NICOL Ltd

1989-12-06 Publication of EP0345098A2 publication Critical patent/EP0345098A2/en

1990-12-12 Publication of EP0345098A3 publication Critical patent/EP0345098A3/en

1994-05-11 Application granted granted Critical

1994-05-11 Publication of EP0345098B1 publication Critical patent/EP0345098B1/en

2009-06-01 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- 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
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Defrosting Systems (AREA)
Devices That Are Associated With Refrigeration Equipment (AREA)

EP19890305704 1988-06-02 1989-06-01 Refrigeration system Expired - Lifetime EP0345098B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB888813051A GB8813051D0 (en)	1988-06-02	1988-06-02	Refrigeration system
GB8813051		1988-06-02

Publications (3)

Publication Number	Publication Date
EP0345098A2 EP0345098A2 (en)	1989-12-06
EP0345098A3 true EP0345098A3 (en)	1990-12-12
EP0345098B1 EP0345098B1 (en)	1994-05-11

Family

ID=10637943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19890305704 Expired - Lifetime EP0345098B1 (en)	1988-06-02	1989-06-01	Refrigeration system

Country Status (4)

Country	Link
EP (1)	EP0345098B1 (en)
DE (1)	DE68915205D1 (en)
GB (1)	GB8813051D0 (en)
PT (1)	PT90734B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3177428B2 (en) *	1995-10-11	2001-06-18	三洋電機株式会社	Low temperature showcase
JPH09113100A (en) *	1995-10-11	1997-05-02	Sanyo Electric Co Ltd	Defrosting device for low-temperature display case
EP3587964B1 (en)	2018-06-22	2021-07-21	Danfoss A/S	A method for terminating defrosting of an evaporator
EP3587962B1 (en) *	2018-06-22	2020-12-30	Danfoss A/S	A method for terminating defrosting of an evaporator by use of air temperature measurements
EP3591316A1 (en)	2018-07-06	2020-01-08	Danfoss A/S	Apparatus for removing non-condensable gases from a refrigerant

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3343375A (en) *	1965-06-23	1967-09-26	Lester K Quick	Latent heat refrigeration defrosting system
GB1553666A (en) *	1976-09-20	1979-09-26	Smiths Industries Ltd	Sequence-control apparatus
US4689965A (en) *	1985-12-27	1987-09-01	Whirlpool Corporation	Adaptive defrost control for a refrigerator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6040774B2 (en) *	1981-05-29	1985-09-12	三洋電機株式会社	Defrosting control method for heat pump air conditioner

1988
- 1988-06-02 GB GB888813051A patent/GB8813051D0/en active Pending
1989
- 1989-06-01 DE DE68915205T patent/DE68915205D1/en not_active Expired - Lifetime
- 1989-06-01 EP EP19890305704 patent/EP0345098B1/en not_active Expired - Lifetime
- 1989-06-02 PT PT9073489A patent/PT90734B/en not_active IP Right Cessation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3343375A (en) *	1965-06-23	1967-09-26	Lester K Quick	Latent heat refrigeration defrosting system
GB1553666A (en) *	1976-09-20	1979-09-26	Smiths Industries Ltd	Sequence-control apparatus
US4689965A (en) *	1985-12-27	1987-09-01	Whirlpool Corporation	Adaptive defrost control for a refrigerator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 50 (M-197)[1195], 26th February 1983; & JP-A-57 198 939 (SANYO) 06-12-1982 *

Also Published As

Publication number	Publication date
PT90734A (en)	1989-12-29
GB8813051D0 (en)	1988-07-06
PT90734B (en)	1994-02-28
EP0345098A2 (en)	1989-12-06
DE68915205D1 (en)	1994-06-16
EP0345098B1 (en)	1994-05-11

Publication	Publication Date	Title
GB2232473B (en)	1991-04-24	Refrigeration system
GB2192735B (en)	1990-05-02	Refrigeration system
GB2198828B (en)	1990-08-15	Refrigeration system
AR240516A1 (en)	1990-04-30	Evaporator
EP0254253A3 (en)	1989-11-08	Refrigeration system
AU2762188A (en)	1989-10-26	Refrigeration system
EP0334142A3 (en)	1989-11-23	Evaporator unit evaporator unit
IL85537A0 (en)	1988-08-31	Refrigeration systems
GB8813051D0 (en)	1988-07-06	Refrigeration system
GB8912771D0 (en)	1989-07-19	Auto-bracketing system
GB2220183B (en)	1993-01-20	Car-on-track system
GB8924285D0 (en)	1989-12-13	Improved system for refrigeration
GB8704432D0 (en)	1987-04-01	Refrigeration systems
GB8715142D0 (en)	1987-08-05	Refrigeration system
SU1546808A1 (en)	1990-02-28	Evaporator
GB8805511D0 (en)	1988-04-07	Mechanical refrigeration system
GB8805734D0 (en)	1988-04-07	Refrigeration systems
GB2216642B (en)	1992-04-29	Refrigerators
GB8707724D0 (en)	1987-05-07	Refrigeration systems
SU1590881A1 (en)	1990-09-07	Magnetocalorific refrigerator
GB8801399D0 (en)	1988-02-24	Refrigerator
YU95288A (en)	1991-06-30	Refrigerator
PL276462A1 (en)	1990-06-25	Evaporator
HUT52230A (en)	1990-06-28	Evaporator
PL276461A1 (en)	1990-06-25	Evaporator

Legal Events

Date	Code	Title	Description
1989-10-21	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
1989-12-06	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE ES FR GB IT SE
1990-10-24	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-12-12	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE ES FR GB IT SE
1991-07-31	17P	Request for examination filed	Effective date: 19910607
1991-11-06	17Q	First examination report despatched	Effective date: 19910920
1992-12-23	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: HUSSMANN MANUFACTURING LIMITED
1994-03-25	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-03-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE PATENT HAS BEEN GRANTED
1994-05-11	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE ES FR GB IT SE
1994-05-11	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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;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.SCRIBED TIME-LIMIT Effective date: 19940511 Ref country code: SE Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19940511 Ref country code: FR Effective date: 19940511 Ref country code: DE Effective date: 19940511 Ref country code: ES Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY Effective date: 19940511
1994-06-16	REF	Corresponds to:	Ref document number: 68915205 Country of ref document: DE Date of ref document: 19940616
1994-10-07	EN	Fr: translation not filed
1995-03-16	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1995-05-03	26N	No opposition filed
1999-07-29	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19990729 Year of fee payment: 11
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2001-01-24	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20000601