Air-cooled condenser pressure control at low ambient temperature

Details Air-cooled condenser pressure control at low ambient temperature Air-cooled condenser pressure control at low ambient temperature

1975-01-17

1976-05-25

King, Lloyd L.

Refrigeration

Automatic control

Of external fluid or means

62DIG17, F25B 3904

Patent

active

039584291

ABSTRACT:
This invention relates to a refrigeration system having an air-cooled condenser and, more particularly, to maintaining high-side pressure in the condenser at normal levels at low outdoor ambient temperature by the provision of a reversible cooling fan, cooling air being directed across the condenser in the conventional direction when the high-side pressure is above a predetermined level and diminishing the volume of cooling air flow across the condenser when the high-side pressure is below a predetermined level.

REFERENCES:
patent: 2952991 (1960-09-01), St. Pierre
patent: 3354665 (1967-11-01), Lewis
patent: 3357199 (1967-12-01), Harnish
patent: 3390539 (1968-07-01), Miner
patent: 3402565 (1968-09-01), Maynard
patent: 3469413 (1969-09-01), Miner
patent: 3613391 (1971-10-01), Harter
patent: 3633376 (1972-01-01), Miner
patent: 3638445 (1972-02-01), Lavigne

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