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:
Sep. 30, 2008
Filed:
Jul. 16, 2004
Rajiv R Singh, Getzville, NY (US);
David P Wilson, East Amherst, NY (US);
Gary J Zyhowski, Lancaster, NY (US);
Ryan Hulse, Getzville, NY (US);
Rajiv R Singh, Getzville, NY (US);
David P Wilson, East Amherst, NY (US);
Gary J Zyhowski, Lancaster, NY (US);
Ryan Hulse, Getzville, NY (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A process for recovering waste heat which comprises: (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which produces the waste heat; (b) removing a vapor phase working fluid from the heat exchanger; (c) passing the vapor phase working fluid to an expander, wherein the waste heat is converted into mechanical energy; and (d) passing the vapor phase working fluid from the expander to a condenser, wherein the vapor phase working fluid is condensed to the liquid phase working fluid. The preferred working fluid is an organic Rankine cycle system working fluid comprising compounds having the following general structure: where x, y, z, and m are each selected from the group consisting of: fluorine, hydrogen, R, and R, wherein R and Rare each an alkyl, aryl, or alkylaryl of 1 to 6 carbon atoms, and wherein Ris partially or fully fluorinated.