Thermosyphon coil arrangement for heat pump outdoor unit

Details Thermosyphon coil arrangement for heat pump outdoor unit Thermosyphon coil arrangement for heat pump outdoor unit

1983-03-14

1984-05-22

King, Lloyd L.

Refrigeration

Reversible, i.e., heat pump

62160, 623246, 622387, F25B 1300

Patent

active

044493770

ABSTRACT:
For a heat pump, the outdoor unit is provided with a coil and a refrigerant flow arrangement therefor which is such that in the heating mode of operation of the heat pump they operate in a thermosyphon fashion. The coil 32 has a feed portion 30 and an exit portion 34 leading to a separator drum 36 from which liquid refrigerant is returned through downcomer line 42 for recirculation to the feed portion. The coil is tilted upwardly from entry to exit by the angle alpha to enhance the clearance of the two phases of refrigerant from each other in the heating mode of operation. There is no thermosyphon function in the cooling mode of operation.

REFERENCES:
patent: 2096285 (1937-10-01), Lord et al.
patent: 2374184 (1945-04-01), Erland Af Kleen
patent: 2401918 (1946-06-01), Elder et al.
patent: 2706105 (1955-04-01), Young
patent: 3052102 (1962-09-01), McMillon
patent: 3844344 (1974-10-01), Kliemann et al.
patent: 3942588 (1976-03-01), Schoonman
patent: 4098092 (1978-07-01), Singh
patent: 4262493 (1981-04-01), Lackey et al.

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