초록 ▼

A protecting device for protecting a refrigerant compressor from overheating or seizure caused by a shortage of refrigerant by any chance such as leakage thereof. The device includes a temperature sensor disposed on the outer wall of the compressor casing in the vicinity of a refrigerant intake suct

A protecting device for protecting a refrigerant compressor from overheating or seizure caused by a shortage of refrigerant by any chance such as leakage thereof. The device includes a temperature sensor disposed on the outer wall of the compressor casing in the vicinity of a refrigerant intake suction suction port for sensing the temperature of the outer wall to output the sensed or measured data and a discriminator for discriminating an occurrence of refrigerant shortage by an excess of the data over a predetermined condition for comparison. The signals from the discriminator cause a warning issuance of the refrigerant shortage or an automatic stoppage of the compressor operation.

대표청구항 ▼

A protecting device for protecting a refrigerant compressor which is connected to a refrigeration circuit containing a refrigerant enclosed therein from overheating problems resulting from a shortage of the refrigerant in the refrigeration circuit, said protecting device comprising; a temperature se

A protecting device for protecting a refrigerant compressor which is connected to a refrigeration circuit containing a refrigerant enclosed therein from overheating problems resulting from a shortage of the refrigerant in the refrigeration circuit, said protecting device comprising; a temperature sensor for sensing the temperature of an outer wall of said compressor in the vicinity of a refrigerant intake suction port and providing an output signal representative of the sensed temperature value; a discriminator for detecting a shortage of the refrigerant by detecting a temperature value in the output from said temperature sensor which is greater than a set value, and emitting a refrigerant shortage signal when such a shortage is detected; and protection means for taking action necessary to protect said compressor against such overheating problems resulting from such refrigerant shortage, in response to the signal emitted from said discriminator.