초록 ▼

A refrigerator has a refrigerant circuit that is comprised of; a power-variable two-stage compressor, a variable throttler, which are computer controlled; and a first evaporator for fresh food compartments and a second evaporator for freezer compartments. Temperatures in the first and second evapora

A refrigerator has a refrigerant circuit that is comprised of; a power-variable two-stage compressor, a variable throttler, which are computer controlled; and a first evaporator for fresh food compartments and a second evaporator for freezer compartments. Temperatures in the first and second evaporators are controlled independently from each other, by controlling throttling extent of the variable throttler. Temperature in the first evaporator is kept in a range not causing frost formation on surface of the first evaporator, for example in a range from -2° C. to 2° C., by controlling the throttling extent as well as the power of the compressor. In a preferred embodiment, the variable throttler is a pulse motor valve at downstream of a condenser and at upstream of the first evaporator.

대표청구항 ▼

A refrigerator has a refrigerant circuit that is comprised of; a power-variable two-stage compressor, a variable throttler, which are computer controlled; and a first evaporator for fresh food compartments and a second evaporator for freezer compartments. Temperatures in the first and second evapora

A refrigerator has a refrigerant circuit that is comprised of; a power-variable two-stage compressor, a variable throttler, which are computer controlled; and a first evaporator for fresh food compartments and a second evaporator for freezer compartments. Temperatures in the first and second evaporators are controlled independently from each other, by controlling throttling extent of the variable throttler. Temperature in the first evaporator is kept in a range not causing frost formation on surface of the first evaporator, for example in a range from -2° C. to 2° C., by controlling the throttling extent as well as the power of the compressor. In a preferred embodiment, the variable throttler is a pulse motor valve at downstream of a condenser and at upstream of the first evaporator. the claim 1, characterized in that an evaporator (10) which has a cavity with trapezoidal cross sections is provided on a tube of the heat dispersing member (1), or an evaporating chamber (11) with a shape of a plate can also be used in the heat dispersing member. 4. An indirect thermoelectric cooling device as claimed in the claim 1, characterized in that said outside mid-frame (6) is fixed to a wall of the refrigerator which has an insulating layer (8), the ventilator (5) which is provided to be adjacent to the cooling transmitting member (3) is provided to communicate with a ventilating passage (9), the ventilating passage is provided to communicate with the refrigerating chamber of the refrigerator. 5. An indirect thermoelectric cooling device as claimed in the claim 4, characterized in that said ventilator (5) which communicates to the cooling transmitting member (3) of the refrigerator through the ventilating passage can also be provided on a refrigerating equipment located off the refrigerator body.