ENERGY RECOVERING UNIT Russian patent published in 2004 - IPC

FIELD: power engineering. SUBSTANCE: proposed energy recovering unit contains housing with rectangular section straight-flow channel accommodating two crankshafts installed in tandem in direction of flow, each provided with two axles with turnable vanes, those delivering atmospheric air and working ones. Heat power source is installed in said channel between delivering and working pairs of vanes. Delivering pair of vanes is installed in bypass channel of inlet hole of object which is furnished with shutter, and working pair of vanes is installed in bypass channel of outlet hole furnished with shutter. Crankshaft of pair of working vanes is connected with electric generator or mechanical energy consumer, and crankshaft of pair of vanes delivering atmospheric air into burning zone is coupled with electric motor connected with speed governor. EFFECT: improved efficiency of usage of heat in furnaces of power generating objects. 2 dwg