Refrigeration – Automatic control – Refrigeration producer
Patent
1987-08-10
1989-01-03
Wayner, William E.
Refrigeration
Automatic control
Refrigeration producer
62509, 137392, F16K 2118, F25B 100
Patent
active
047947632
ABSTRACT:
A protection device for the compressor of an air conditioning system. The protection device comprises a refrigerant level detector positioned in a receiver dryer to detect the level of refrigerant. A control device is coupled to the level detector and prevents the operation of the compressor if the level of refrigerant is below a predetermined amount.
REFERENCES:
patent: 2692923 (1954-10-01), Ash
patent: 3233625 (1966-02-01), Pase
patent: 3744267 (1973-07-01), Norbeck
patent: 4285207 (1981-08-01), Sugiura et al.
patent: 4447743 (1984-05-01), Bean et al.
Sanden Corporation
Wayner William E.
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