Air condenser installation

Details Air condenser installation Air condenser installation

1989-04-03

1990-03-20

Ford, John

Heat exchange

Movable heating or cooling surface

Rotary drum

165110, 165111, 165108, 165900, B60H 100, B61D 2700, F28B 100

Patent

active

049093096

ABSTRACT:
Air condensers are liable to suffer from undercooling which may entail frost damages and represents, in any case, thermo-dynamic losses. In order to prevent undercooling the working length (X) of the cooling surfaces of the air condensers (10) are controlled by shutters (28) which are associated with a drive mechanism (30) operated dependent on the temperature difference of condensates withdrawing from a first and a further row of tubes (18, 20) of the air condensers. By shutters (46) located in a gap (44) between the air condensers (10) the cooling air is enabled to recirculate whereby danger of frost and undesired risings of the temperature level of condensation may be avoided and impeded, respectively. A casing (68) encompassing the air condensers (10) and provided with shutters (64, 66) at its bottom and top permits starting without danger of frost likewise by means of recirculation. (FIG. 2)

REFERENCES:
patent: 1742449 (1930-01-01), Page et al.
patent: 3289742 (1966-12-01), Niemann
patent: 3384165 (1968-05-01), Mathews
patent: 3556204 (1971-01-01), Dehne
patent: 3565164 (1971-02-01), Kline
patent: 3716097 (1973-02-01), Kelp et al.
patent: 4450899 (1984-05-01), Jakobsson et al.

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