Patent 7398651 was granted and assigned to Kalex on July, 2008 by the United States Patent and Trademark Office.
A cascade power system and a method are disclosed for using a high temperature flue gas stream to directly or indirectly vaporize a lean and rich stream derived from an incoming, multi-component, working fluid stream, extract energy from these streams, condensing a spent stream and repeating the vaporization, extraction and condensation cycle.