Absorption refrigeration cycle

Details Absorption refrigeration cycle Absorption refrigeration cycle

1986-09-16

1987-07-14

King, Lloyd L.

Refrigeration

Refrigeration producer

Sorbent type

62483, F25B 1500

Patent

active

046794093

ABSTRACT:
An absorption heat pump system comprises an absorber, a generator, a condenser, an evaporator, and a pump assembly for pumping liquid (absorbent with absorbed refrigerant) from the absorber to the generator. The pump is driven by fluid from the generator which is then passed to the absorber and which comprises the liquid (absorbent depleted of refrigerant) which is conventionally returned to the absorber and, under certain circumstances, vapor from the generator to balance the flow of liquid between the absorber and the generator. The driving chamber of the pump assembly is separated into two parts, the lower part is connected to the liquid space of the generator for receiving liquid therefrom via solenoid valve means, and the upper part is connectable either to the liquid space of the generator or to the vapor space of the generator via solenoid valve means, both chamber parts being exhausted to the absorber via solenoid means. The solenoid valve means are controlled by a controller which is connected to a liquid level sensor sensing the level of fluid in the generator or the absorbers to alternate the supply of liquid and vapor to the second chamber part in dependence on the level of liquid in the generator or absorber.

REFERENCES:
patent: 2005258 (1935-06-01), Flukes
patent: 2929222 (1960-03-01), Lang
patent: 2930204 (1960-03-01), Lang
patent: 3046756 (1962-07-01), Whitlow et al.
patent: 3293881 (1966-12-01), Walker
patent: 4619119 (1986-10-01), Dijkstra et al.

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