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Architecture for Absorption Based Heaters

United States Patent

April 24, 2018
View the Complete Patent at the US Patent & Trademark Office
An absorption based heater is constructed on a fluid barrier heat exchanging plate such that it requires little space in a structure. The absorption based heater has a desorber, heat exchanger, and absorber sequentially placed on the fluid barrier heat exchanging plate. The vapor exchange faces of the desorber and the absorber are covered by a vapor permeable membrane that is permeable to a refrigerant vapor but impermeable to an absorbent. A process fluid flows on the side of the fluid barrier heat exchanging plate opposite the vapor exchange face through the absorber and subsequently through the heat exchanger. The absorption based heater can include a second plate with a condenser situated parallel to the fluid barrier heat exchanging plate and opposing the desorber for condensation of the refrigerant for additional heating of the process fluid.
Moghaddam; Saeed (Gainesville, FL), Chugh; Devesh (Gainesville, FL)
15/ 316,246
June 2, 2015
This invention was made with government support under DE-AC08-00OR22725 awarded by the Department of Energy. The government has certain rights in the invention.