Method for cooling a product, particularly, for liquefying a...

Details Method for cooling a product, particularly, for liquefying a... Method for cooling a product, particularly, for liquefying a...

2007-11-13

2007-11-13

Jones, Melvin (Department: 3744)

Refrigeration

Processes

Evaporation induced by sorption

C062S475000

Reexamination Certificate

active

10558645

ABSTRACT:
A method for cooling a product (P) including N ordered adsorption/desorption cycles (100, 200, 300), each cycle having the following steps: expanding a refrigerant in liquid phase from a condenser (101, 201, 301) inside an evaporator (103, 203, 303) for evaporating at least one portion of the refrigerant, and; adsorbing this refrigerant in vapor phase inside at least one adsorption/desorption chamber (120, 220, 320) containing a zeolite adsorbent (Z) whereby cooling a remaining portion of the refrigerant in the evaporator to a predetermined low temperature, the low temperature decreasing from one cycle to the next. The method also includes the following steps: effecting N-1 heat exchanges each time the refrigerant enters the evaporator (103, 203) of a cycle and each time the refrigerant enters the condenser (201, 301) of the following cycle for condensing the refrigerant in the condenser.

REFERENCES:
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patent: 5729988 (1998-03-01), Tchernev
patent: 5761925 (1998-06-01), Maeda
patent: 5813248 (1998-09-01), Zornes et al.
patent: 1 111 315 (2001-06-01), None

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