The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 1978
Filed:
Jan. 05, 1977
Alexandre Rojey, Boulogne, FR;
Georges Cohen, Le Pecq, FR;
Institut Francais du Petrole, Rueil-Malmaison, FR;
Abstract
Process for producing heat at a temperature level higher than that of an available heat source comprising vaporizing a working fluid of at least two components of different boiling points by heat exchange with said heat source within a first temperature range, compressing at least a portion of the obtained vapor and condensing at least a portion of the compressed vapor in a temperature range whose highest temperature is higher than the highest temperature of said first range while transferring condensation heat to an external medium other than said heat source, expanding the condensed liquid fraction and using it as said working fluid.