Importance

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Abstract

A cooling machine, useful for air conditioning, refrigeration, ice production, or the like, based on the ammonia absorption thermodynamic cycle, and operated by a heat source of relatively low temperature, as for example a set of solar heat collectors, wherein the generator of said cooling machine comprises a first vessel through which said ammonia solution is circulated and is subject to separation of ammonia from water in the solution by raising its temperature through heat exchange relationship with a stream of a hot liquid, heated in the set of solar collectors; and a second vessel coaxially disposed surrounding said first vessel, whereby the walls of said first and second vessels define an annular hot water circulation chamber; said first vessel having a plurality of staggered series of heat transfer fins of predetermined dimensions so as to optimize the heat transfer from said hot liquid to the ammonia solution in said generator.

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First Claim