Fridge and freezer unit, method for controlling a compressor in a fridge and freezer unit and control circuit for such a compressor

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(11)

EP 0 859 208 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	08.11.2000 Bulletin 2000/45

(43)	Date of publication A2:
	19.08.1998 Bulletin 1998/34

(21)	Application number: 98102408.6

(22)	Date of filing: 12.02.1998

(51)	International Patent Classification (IPC)⁷: F25D 29/00, F25D 11/02, F25B 49/02, G05D 23/19

(84)	Designated Contracting States:
	AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

18.02.1997 DK 17297

(71)	Applicant: GRAM A/S
	6500 Vojens (DK)

(72)	Inventor:
	Iversen, Iver Holm DK-6100 Haderslev (DK)

(74)	Representative: Nielsen, Leif et al
	Patrade A/S Aaboulevarden 21 8000 Aarhus C 8000 Aarhus C (DK)

(54)	Fridge and freezer unit, method for controlling a compressor in a fridge and freezer unit and control circuit for such a compressor

(57) A fridge and freezer unit (1) is described which comprises a freezing chamber (2) and a refrigeration chamber (3) and a cooling system with a variable-speed compressor (6) which is connected with a cooling circuit which has a cooling surface (11,12) in each storage chamber. In order to have an individual energy economic cooling which is in balance depending on the cooling demand which exists in the refrigeration chamber (3) and the freezing chamber (2), a temperature meter is arranged in the refrigeration chamber which is used to turn on and off the variable-speed compressor (6) and a temperature meter in the freezing chamber (2) which is intended for regulating the number of revolutions for the compressor (6).
With this construction it is possible to regulate the temperature balance of the cooling surfaces (11,12), and accordingly, the cooling effect in each of the chambers (2,3).

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