EP 0641978 A1 19950308 - Improvements in and relating to refrigeration method and apparatus.
Title (en)
Improvements in and relating to refrigeration method and apparatus.
Title (de)
Verfahren und Vorrichtung zur Kühlung.
Title (fr)
Procédé et appareil de réfrigération.
Publication
Application
Priority
GB 9318385 A 19930904
Abstract (en)
Refrigeration apparatus is capable of operating in i) vapour compression mode or ii) thermosyphon mode. The apparatus defines a refrigerant path includes a compressor (12), a condenser (14), an expansion valve (16) and a chiller (18) where the refrigerant absorbs heat from fluid to be cooled. The refrigeration circuit includes valves (26, 28) configurable for selectively directing refrigerant i) to pass through the compressor (12) and expansion valve (16) or ii) to bypass the compressor and expansion valve. A thermal store (20) is provided and is i) cooled while the apparatus operates in the vapour compression mode and ii) provides a chilling effect during changeover to thermosyphon mode. <IMAGE>
IPC 1-7
IPC 8 full level
F25B 25/00 (2006.01); F25D 16/00 (2006.01)
CPC (source: EP)
F25B 25/00 (2013.01); F25D 16/00 (2013.01); F25B 2400/0401 (2013.01); F25B 2400/0411 (2013.01)
Citation (search report)
- [A] US 4565069 A 19860121 - MACCRACKEN CALVIN D [US]
- [A] US 2512576 A 19500620 - CROSS JOSEPH A
- [A] US 5211029 A 19930518 - USELTON ROBERT B [US], et al
- [A] US 3744264 A 19730710 - WARE C
- [A] US 4295342 A 19811020 - PARRO JAMES
- [A] US 2244312 A 19410603 - NEWTON ALWIN B
- [A] US 4518514 A 19850521 - KAMOHARA HIDEAKI [JP], et al
- [PA] WO 9402257 A2 19940203 - BUCKLEY THERESA M [US]
- [A] US 4720984 A 19880126 - AMES DOUGLAS A [US]
- [A] US 4283925 A 19810818 - WILDFEUER ROBERT
- [A] GB 440306 A 19351224 - J & E HALL LTD, et al
- [A] GB 615037 A 19481231 - GEORGES JEAN HENRI TREPAUD
Designated contracting state (EPC)
DE DK FR GB NL
DOCDB simple family (publication)
EP 0641978 A1 19950308; EP 0641978 B1 19980107; DE 641978 T1 19951012; DE 69407699 D1 19980212; DE 69407699 T2 19980827; DK 0641978 T3 19980907; GB 9318385 D0 19931020
DOCDB simple family (application)
EP 94306390 A 19940831; DE 69407699 T 19940831; DE 94306390 T 19940831; DK 94306390 T 19940831; GB 9318385 A 19930904