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Ventilation for an enclosure of a gas turbine and related method

United States Patent

October 29, 2002
View the Complete Patent at the US Patent & Trademark Office
A ventilation scheme for a rotary machine supported on pedestals within an enclosure having a roof, end walls and side walls with the machine arranged parallel to the side walls, includes ventilation air inlets located in a first end wall of the enclosure; a barrier wall located within the enclosure, proximate the first end wall to thereby create a plenum chamber. The barrier wall is constructed to provide a substantially annular gap between the barrier wall and a casing of the turbine to thereby direct ventilation air axially along the turbine; one or more ventilation air outlets located proximate a second, opposite end wall on the roof of the enclosure. In addition, one or more fans are provided for pulling ventilating air into said plenum chamber via the ventilation air inlets.
Schroeder; Troy Joseph (Mauldin, SC), Leach; David (Simpsonville, SC), O'Toole; Michael Anthony (Greenfield Center, NY)
General Electric Company (Schenectady, NY)
09/ 983,663
October 25, 2001
This invention was made with Government support under Contract No. DE- FC21-95MC31176 awarded by the Department of Energy. The Government has certain rights in this invention.