Outdoor fan control for variable speed heat pump

Details Outdoor fan control for variable speed heat pump Outdoor fan control for variable speed heat pump

1991-06-03

1992-09-08

Rivell, John

Refrigeration

Automatic control

Of external fluid or means

622284, F25B 4900

Patent

active

051448122

ABSTRACT:
In an outdoor unit of a heat pump having a variable speed compressor, the fan speed is controlled in response to both the speed of the compressor and the temperature of the outdoor refrigerant such that the operating efficiency of the fan and its driving motor can be optimized over a full range of compressor operating speeds.

REFERENCES:
patent: 3276220 (1966-10-01), Miner
patent: 3384801 (1968-05-01), Rodgers
patent: 4315413 (1982-02-01), Baker
patent: 4507936 (1985-04-01), Yoshino
patent: 5036676 (1991-08-01), Dudley
patent: 5050394 (1991-09-01), Dudley et al.
patent: 5052186 (1991-10-01), Dudley et al.
patent: 5054294 (1991-10-01), Dudley

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