Absorption heat pump system

Details Absorption heat pump system Absorption heat pump system

1982-06-16

1984-07-10

Davis, Jr., Albert W.

Refrigeration

Disparate apparatus utilized as heat source or absorber

With sorption

62494, 62497, 62476, 16510412, F25B 1500

Patent

active

044585004

ABSTRACT:
An improvement in an absorption heat pump cycle is obtained by adding adiabatic absorption and desorption steps to the absorber and desorber of the system. The adiabatic processes make it possible to obtain the highest temperature in the absorber before any heat is removed from it and the lowest temperature in the desorber before heat is added to it, allowing for efficient utilization of the thermodynamic availability of the heat supply stream. The improved system can operate with a larger difference between high and low working fluid concentrations, less circulation losses, and more efficient heat exchange than a conventional system.

REFERENCES:
patent: 4246762 (1981-01-01), Bourne
patent: 4307577 (1981-12-01), Watanabe et al.
patent: 4337625 (1982-07-01), Wilkinson
G. Cohen et al., A New Absorption-Cycle Process for Upgrading Waste Heat, 14th Intersociety Energy Conversion Conf., Boston, Mass., 8/5-10/79, pp. 1720-1724.
D. Williams et al., A Heat Pump Powered by Natural Thermal Gradients, 9th Intersociety Energy Conversion Conf. (IECEC), 8/26-30/74, Paper #749,041, pp. 538-540.

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