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Arrangement for preventing freezing of the working

2022-06-15 来源:知库网
专利内容由知识产权出版社提供

专利名称:Arrangement for preventing freezing of the

working medium in an absorptionrefrigerating apparatus

发明人:Walfridson, Magnus Tell,Färndahl, Stig

Herman

申请号:EP88850422.2申请日:19881214公开号:EP0323820B1公开日:19920617

摘要:The invention refers to an arrangement at a refrigerator cabinet (10) having anabsorption refrigerating apparatus (16,18) operated by a heating cartridge (40) from atleast one electric current source or by a gas burner (38). The arrangement shows acontrol apparatus (74) which automatically starts the gas burner (38) when the supply ofcurrent to the heating cartridge (40) ceases. The refrigerating apparatus (18) is withexception of its evaporator (16) enclosed in a heat insulated chamber (20) through whichsurrounding air circulates for cooling of the refrigerating apparatus (18). In order toprevent the refrigerant in the refrigerating apparatus from freezing to plugs at lowtemperature of the surrounding air, which plugs put the refrigerating apparatus out offunction, means (86) are arranged to limit the air circulation through the chamber (20) anda temperature sensing means (80) is located in the chamber for breaking the current tothe heating cartridge (40) at a certain low temperature in the chamber (20) so that thegas burner (38) is put into operation.

申请人:AKTIEBOLAGET ELECTROLUX

地址:LUXBACKEN 1; S-105 45 STOCKHOLM

代理机构:Erixon, Bo

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