Refrigeration – Automatic control – Refrigeration producer
Patent
1982-05-10
1984-07-31
Tapolcai, William E.
Refrigeration
Automatic control
Refrigeration producer
62DIG17, F25B 4104, F25B 4106
Patent
active
044622198
ABSTRACT:
A refrigeration system comprises a main circuit including a compressor, a condenser, a main capillary tube, and an evaporator whereby a coolant is circulated through the main circuit to effect a refrigerating cycle, a bypass circuit including an auxiliary capillary tube the inlet side of which is connected to the high pressure side of the compressor, and an electromagnetic valve the inlet side of which is connected to the outlet side of the auxiliary capillary tube and the outlet side of which is connected to the low pressure side of the compressor, a circuit breaker switch acting to disconnect the main circuit when the pressure of the coolant reaches a first preset pressure, and a bypass switch acting to open the electromagnetic valve to cause part of the coolant from the outlet side of the condenser to flow through the auxiliary capillary tube and electromagnetic valve to the low pressure side of the compressor when the pressure of the coolant reaches a second preset pressure lower than the first preset pressure.
REFERENCES:
patent: 2258458 (1941-10-01), Lange
patent: 2936595 (1960-05-01), Dillman et al.
patent: 3014352 (1961-12-01), Leimbach
patent: 3243970 (1966-04-01), Lippincott
patent: 4238932 (1980-12-01), Schrader
Tapolcai William E.
Tokyo Shibaura Denki Kabushiki Kaisha
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