Patent ID: 7340897
Filing Date: 2008-03-11
Classification: F01K,Y02E

Abstract:
1. A method for producing power from a heat source comprising the steps of: (a) extracting heat from a heat source using an organic working fluid and producing organic working fluid vapor; (b) expanding said organic working fluid vapor in a vapor turbine for producing power and from which expanded organic working fluid is extracted; (c) transferring heat from said expanded organic working fluid to further organic working fluid condensate for producing superheated further organic working fluid; (d) expanding said superheated further organic working fluid vapor for producing power and expanded further organic working fluid vapor; (e) transferring heat from said expanded further organic working fluid to further organic working fluid condensate so that heat depleted expanded further organic working fluid is produced; (f) condensing said heat depleted expanded further organic working fluid and producing said further organic working fluid condensate; and (g) supplying said further organic working fluid condensate to a heat exchanger for receiving heat contained in said expanded further organic working fluid.