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Summary:PCT No. PCT/GB97/01709 Sec. 371 Date Jan. 29, 1999 Sec. 102(e) Date Jan. 29, 1999 PCT Filed Jun. 24, 1997 PCT Pub. No. WO97/49958 PCT Pub. Date Dec. 31, 1997In a heat pump, e.g. comprising two adsorbers (1, 2), the adsorbers are monoliths having a multiplicity of open cells capable of flow-through of gas or vapor, and having a coating of an adsorbent, e.g. zeolite, for a fluid such as water vapor. Waste heat, e.g. from a vehicle engine, is supplied to heater (3), which heats up a heat transfer fluid pumped around the system by a reversible pump (11). Heat is lost to the ambient air by a cooler (4), and air from ambient, or recirculated air, is cooled by passing over an evaporator (6) for adsorbate fluid such as water, before entering a vehicle passenger compartment.
Bibliography:Application Number: EP19970927309