Refrigeration – Automatic control – Refrigeration producer
Patent
1990-09-21
1991-10-08
Tanner, Harry B.
Refrigeration
Automatic control
Refrigeration producer
62126, 62158, F25B 4900
Patent
active
050542940
ABSTRACT:
In an air conditioning system with a variable speed compressor drive, the discharge temperature is sensed and if it is found to exceed a predetermined threshold limit for a predetermined period of time, then the compressor speed is reduced by an incremental amount. If this condition persists, the compressor speed will continue to be reduced in incremental steps until the temperature of the discharge gas is reduced to a level below the predetermined threshold limit.
REFERENCES:
patent: 4220010 (1980-09-01), Mueller et al.
patent: 4517812 (1985-05-01), Umezu
patent: 4563878 (1986-01-01), Baglione
patent: 4689967 (1987-09-01), Han et al.
patent: 4735058 (1988-04-01), Umezu et al.
Carrier Corporation
Tanner Harry B.
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