Power plants – Combustion products used as motive fluid
Patent
1992-05-29
1994-10-04
Bertsch, Richard A.
Power plants
Combustion products used as motive fluid
415144, F02C 618
Patent
active
053514785
ABSTRACT:
An apparatus and method for minimizing compressor casing distortion due to bleed air extraction wherein the compressor casing includes an annular outer casing having at least one outlet duct, an annular inner casing disposed co-axially with the outer casing and spaced radially inwardly therefrom to define a plenum, two radial discs extending inwardly from the outer casing defining a plenum, a plurality of small area bleed openings located in the inner casing for imparting a radial velocity to the bleed air greater than the circumferential velocity entering the plenum, an air tube located over each bleed opening, and a baffle plate located on top of the air tubes and communicating with the radial discs for supporting the casings, whereby the bleed air impinges on the outer casing and controls distortion by sufficiently reducing the circumferential temperature gradient forming at the outer casing.
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Bibler John D.
Fallon Richard J.
Rieck, Jr. Harold P.
Walker Roger C.
Bertsch Richard A.
General Electric Company
Herkamp Nathan D.
Kocharov Michael I.
Squillaro Jerome C.
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