REFRIGERATING APPARATUS AND METHOD OF ITS OPERATION Russian patent published in 2009 - IPC F25D21/08 

Abstract RU 2349847 C2

FIELD: mechanics.

SUBSTANCE: invention relates to a refrigerating apparatus with a thermal insulation cabinet (1) enclosing a refrigeration chamber (2) with an evaporator (7) being set in the cabinet and with an ice layer (13) being formed on the evaporator surface. Two temperature sensors (12, 14) are fitted close to the evaporator (7) so that only one temperature sensor (12) is buried in the ice layer (13). The control circuit (10) is connected to the two temperature sensors (12, 14) so that to define difference of the temperatures measured by the temperature sensors and so that depending on the defined difference to turn or not to turn on the evaporator (7) defrostation by applying an output signal; the above definition is carried out in case the temperature alteration speed measured by at least one of the two sensors (12, 14) falls below the specified limit.

EFFECT: increasing refrigerating apparatus reliability.

7 cl, 4 dwg

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RU 2 349 847 C2

Authors

Manettas Ilias

Shtrauss Georg

Dates

2009-03-20Published

2004-04-05Filed