Heat shield for radial gas turbine

Details Heat shield for radial gas turbine Heat shield for radial gas turbine

1982-03-17

1984-07-17

Marcus, Stephen

Rotary kinetic fluid motors or pumps

Including heat insulation or exchange means

Working fluid on at least one side of heat exchange wall

415177, 415180, 415175, F01D 2512

Patent

active

044603134

ABSTRACT:
Two concentric, partially overlapping annular plates mounted on a parallel support plate are provided for partly defining the gas flow path and for shielding bearings, etc. from hot combustion gases in a radial flow gas turbine. The radially outer plate is cooled by compressed air channeled past the plate surface opposite the combustion gases. The compressed air is metered to achieve a temperature distribution decreasing in the radially inward direction for providing sealing contact between the outer edge and the support plate. The radially inner plate is cooled by film cooling using the compressed air exiting the outer plate channel in the vicinity of the overlap.

REFERENCES:
patent: 2440069 (1948-04-01), Bloomberg
patent: 3167301 (1965-01-01), Whitaker
patent: 3849022 (1974-11-01), Amann et al.
patent: 3893786 (1975-07-01), Rahnke et al.
patent: 4017207 (1977-04-01), Bell et al.
patent: 4053254 (1977-10-01), Chaplin et al.
patent: 4083649 (1978-04-01), Miller et al.
patent: 4101241 (1978-07-01), Kasuya
patent: 4157881 (1979-06-01), Kasuya

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