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Title: Architecture for Absorption Based Heaters

Patent ·
OSTI ID:1436514

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.

Research Organization:
EERE Publication and Product Library, Washington, D.C. (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC08-00OR22725
Assignee:
UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INC. (Gainesville, FL)
Patent Number(s):
9,951,976
Application Number:
15/316,246
OSTI ID:
1436514
Resource Relation:
Patent File Date: 2015 Jun 02
Country of Publication:
United States
Language:
English

References (5)

Aqua-ammonia absorption system generator utilizing structured packing patent December 2002
Gas-Fired Heat Pump Water Heater patent-application November 2010
Vapor-Liquid Heat and/or Mass Exchange Device patent-application May 2013
Absorption characteristics of lithium bromide (LiBr) solution constrained by superhydrophobic nanofibrous structures journal August 2013
Physics of lithium bromide (LiBr) solution dewatering through vapor venting membranes journal January 2014