Document Type
Patent
Publication Date
6-10-2003
Patent Number
patent number 6574973
Abstract
Refrigerant compositions include mixtures of at least three different components, including a fluorinated ether with at least one of a second fluorinated ether, an ether and a fluorinated hydrocarbon. Also, methods for cooling a body include compressing such a refrigerant composition and bringing the body into heat transfer relation to it. The disclosed refrigerant compounds have refrigerant-significant properties similar to those of R-22, and they can be employed in place of or as drop-in substitutes in refrigeration apparatus designed for R-22 application.
Application Number
09/574827
Assignees
Electric Power Research Institute, Inc. (Palo Alto, CA)
Filing Date
2000-05-19
Primary/U.S. Class
62/114
Other/U.S. Class
252/67, 252/68
COinS