Patent Number: 7,765,823

Title: Hybrid vapor compression-absorption cycle

Abstract: The present invention relates to a hybrid vapor compression-absorption cooling or heating system and apparatus containing a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides for the performance of a hybrid vapor compression-absorption cycle that utilizes refrigerants and absorbents such as fluorocarbon gases in fluorinated ionic liquids. The present invention also provides a method of cooling by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid. The present invention also provides a method of heating by the execution of a hybrid vapor compression-absorption cycle using a refrigerant pair comprising at least one refrigerant and at least one ionic liquid.

Inventors: Shiflett; Mark Brandon (New Castle, DE), Yokozeki; Akimichi (Wilmington, DE)

Assignee: E.I. du Pont de Nemours and Company

International Classification: F25B 27/00 (20060101); F25B 41/00 (20060101); F25B 15/00 (20060101); C09K 5/00 (20060101)

Expiration Date: 8/03/12018