| 摘要 |
1506999 Refrigerating STAL REFRIGERATION AB 24 Nov 1976 [28 Nov 1975] 49051/76 Heading F4H A refrigeration system comprises a compressor 1, a condenser 2, expansion valve 3 and an evaporator 4, in which system the capacity of the compressor is controlled in accordance with the cooling demand on the system and the expansion valve is controlled to maintain a constant difference between the temperature of refrigerant in a saturated state in the evaporator and the temperature of a medium in heat transfer relationship with the evaporator. |
