EP 0250909 B1 19921028 - CONTROL APPARATUS FOR A REFRIGERATING APPLIANCE OF THE AUTOMATIC DEFROSTER TYPE
Title (en)
CONTROL APPARATUS FOR A REFRIGERATING APPLIANCE OF THE AUTOMATIC DEFROSTER TYPE
Publication
Application
Priority
IT 4573486 A 19860703
Abstract (en)
[origin: EP0250909A2] A control apparatus for a refrigerating appliance comprises a commutator controlled by a timer for cyclically commutating from a first position, in which electric power is supplied to a compressor motor, to a second position in which power is supplied to an evaporator defrosting resistance heater via a thermostat commutator when the latter is in a position corresponding to a low temperature of the evaporator. The thermostatic commutator switches to a second position in response to sensing a higher temperature of the evaporator. The timer is supplied with electric power via the controlled commutator when the latter is in its first position, and via the series-connection of the two commutators when in their second positions. The automatic defrosting operation is thus carried out in accordance with the actual condition of the evaporator.
IPC 1-7
IPC 8 full level
F25D 21/00 (2006.01)
CPC (source: EP)
F25D 21/008 (2013.01); F25B 2700/2117 (2013.01)
Designated contracting state (EPC)
CH DE ES FR GB IT LI
DOCDB simple family (publication)
EP 0250909 A2 19880107; EP 0250909 A3 19890426; EP 0250909 B1 19921028; DE 3782363 D1 19921203; DE 3782363 T2 19930311; ES 2035831 T3 19930501; IT 1201778 B 19890202; IT 8645734 A0 19860703
DOCDB simple family (application)
EP 87108043 A 19870603; DE 3782363 T 19870603; ES 87108043 T 19870603; IT 4573486 A 19860703