Method of operating a bimodal heat pump, as well as bimodal heat

Details Method of operating a bimodal heat pump, as well as bimodal heat Method of operating a bimodal heat pump, as well as bimodal heat

1983-01-07

1984-05-15

King, Lloyd L.

Refrigeration

Processes

Evaporation induced by sorption

623242, F25B 1500

Patent

active

044485964

ABSTRACT:
A method of operating a bimodal heat pump which in a first mode operates as an absorption heat pump and in a second mode operates as an evaporation-condensation device at a comparatively low ambient temperature. When switching from the first mode to the second mode, evaporator 15 and absorber 23 are uncoupled from generator 1 and condensor 7. The generator 1 and condensor 7 are operated in the second mode as an evaporation-condensation device, an extra quantity of working medium present in the condensor 7 being provided in the system. The heat pump comprises an overflow to the evaporator 15 the level 83 of which is a measure of an extra quantity of the working medium and has a closable transport pipe to the generator 1 for supplying extra working medium to the generator 1 when starting the second mode.
The heat pump is meant in particular for heating spaces and presents the possibility of choosings from various working media and solvents having different decomposition temperatures.

REFERENCES:
patent: 2212869 (1940-08-01), Tornquist
patent: 2749095 (1956-06-01), Anderson, Jr. et al.
patent: 3528491 (1970-09-01), Bell, Jr.
patent: 4178989 (1979-12-01), Takeshita et al.
patent: 4363219 (1982-12-01), Koseki et al.
patent: 4411140 (1983-10-01), Katsumata et al.

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