U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Refrigeration cycle operatable by low thermal potential energy sources

Patent 4593538 Issued on June 10, 1986. Estimated Expiration Date: Icon_subject September 21, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2184726

2241624

2354884

2543789

3247678

3257818

3264835

Direct contact heat transfer system using magnetic fluids
Patent #: 4078392
Issued on: 03/14/1978
Inventor: Kestner

Absorption pairs of 1-chloro-2,2,2-trifluoroethane and furan-derivatives
Patent #: 4251382
Issued on: 02/17/1981
Inventor: Li

Process for producing cold and/or heat by use of an absorption cycle with carbon dioxide as working fluid
Patent #: 4433554
Issued on: 02/28/1984
Inventor: Rojey ,   et al.

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Inventors

Application

No. 06/653080 filed on 09/21/1984

US Classes:

62/490, Inert gas62/112Utilizing particular refrigerant and/or sorbent materials

Examiners

Primary: King, Roy V.

Attorney, Agent or Firm

International Classes

F25B 15/02 (20060101)
F25B 15/10 (20060101)

Abstract

The invention provides an absorption-refrigeration system including:generator means in which the vapor of a volatile refrigerant, dissolved in n absorbent, is driven off the absorbent by heat exchange with a source of thermal energy;condenser means in which the refrigerant vapor is turned into liquid refrigerant;evaporator means in which the liquid refrigerant is turned into refrigerant vapor by heat exchange with the substance to be refrigerated, andabsorber means in which the refrigerant vapor is redissolved in the absorbent to be recycled,characterized in that the refrigerant is selected from the group of fluoro-and fluoro-chloro-hydrocarbons, that the absorbent is an organic polar solvent possessing a strong chemical affinity with respect to the refrigerant, and that at least one of the heat exchanges involves direct contact between the partners to the heat exchange, which partners are mutually non-reactive and non-miscible.

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