Heat pump comprising a thermally driven liquid pump and liquid p

Details Heat pump comprising a thermally driven liquid pump and liquid p Heat pump comprising a thermally driven liquid pump and liquid p

1985-01-29

1986-10-28

King, Lloyd L.

Refrigeration

Reversible, i.e., heat pump

With cooling apparatus other than gas compressor

622383, 62476, F25B 1300

Patent

active

046191194

ABSTRACT:
A heat pump, in which there is arranged in a circuit between an absorber (7) and a generator (1) a liquid pump (9) comprising a piston (35) which is displaceable in a cylinder (33) and forms the separation between a gas chamber (37) and a liquid chamber (39) in which simultaneously prevails a pressure of comparatively low level during the suction stroke and a pressure of comparatively high level during the delivery stroke. A guide member (47) secured to the cylinder (33) encloses with the piston (35) an auxiliary chamber (51) of variable volume in which liquid of comparatively low pressure at least during the delivery stroke is constantly present. The gas chamber (37) is connected to alternately a lead of low and high gas pressure (69 and 71, respectively) in the heat pump, while the liquid chamber (39) is connected synchronously therewith alternately to a lead of low and high pressure (11a and 11b, respectively) in the heat pump. The heat pump provides an attractive solution especially for domestic heating for pumping liquid solution between the generator and the absorber because of the low-noise and low-energy liquid pump driven by means of pressure differences in the heat pump itself.

REFERENCES:
patent: 3046756 (1962-07-01), Whitlow et al.
patent: 3293881 (1966-12-01), Walker

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