Refrigeration – Refrigeration producer – Sorbent type
Patent
1993-08-24
1994-09-20
Bennett, Henry A.
Refrigeration
Refrigeration producer
Sorbent type
62244, 16510412, F25B 914
Patent
active
053478304
ABSTRACT:
An adsorption cooling apparatus includes a hermetically sealed cylindrical capsule that contains a first thermal medium, a moisture absorber on its first side and an adsorbent on its second side. The capsule reciprocatively moves and slidably contacts with a cooling vessel containing a low temperature thermal medium on the first side and with a heating vessel containing a high temperature thermal medium on the second side. The capsule is cooled by an external airflow when it is moved to the cooling vessel, so that the first thermal medium absorbed in the moisture absorber evaporates and the low temperature thermal medium in the cooling vessel is cooled because of the latent heat of evaporation of the first thermal medium. The so cooled low temperature thermal medium is utilized for cooling the object to be cooled. The first thermal medium having evaporated from the moisture absorber is adsorbed by the adsorbent. When the capsule has moved to the heating vessel, the adsorbent is heated by the heating vessel, and the first thermal medium having been adsorbed in the adsorbent is desorbed and released from the adsorbent. The first thermal medium so released is again absorbed by the moisture absorber when the capsule has moved back to the cooling vessel, and the capsule is cooled again by the airflow to repeat the cycle.
REFERENCES:
patent: 3270512 (1966-09-01), Webb
patent: 3309896 (1967-03-01), Leonard
patent: 4135371 (1979-01-01), Kesselring et al.
patent: 4574874 (1986-03-01), Duran
patent: 4660629 (1987-04-01), Maier-Laxhuber et al.
patent: 5005371 (1991-04-01), Yonezawa et al.
"A Study of Dual Zeolite-Water Absorption System for Automotive Air Conditioning" Jun. 1, 1992 International Symposium on Automotive Technology and Automation.
Bennett Henry A.
Doerrler William C.
Hidaka Kenjiro
Sanden Corp.
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