Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1976-06-17
1977-07-12
Croyle, Carlton R.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
60 3966, 415115, F02C 310, F02C 718
Patent
active
040345580
ABSTRACT:
This invention relates to cooling a section of a split shaft gas turbine engine. Because combustion takes place in the region of the shaft-split, overheating may occur and care must be taken to ensure that this portion of the turbine is sufficiently cooled. This invention is concerned with bleeding a portion of the compressed air from an intermediate stage of the compressor turbine and feeding the compressed air into a manifold. Next the air is fed by means of suitable conduit members into the split-shaft region of the turbine. Provision is made to feed this air to the faces of the power disc for the compressor section and the face of the power disc for the output power section of the turbine. Various other parts of the turbine are also cooled in the split shaft region of the turbine.
REFERENCES:
patent: 2749087 (1956-06-01), Blackman et al.
patent: 3034298 (1962-05-01), White
patent: 3275294 (1966-09-01), Allen et al.
patent: 3945758 (1976-03-01), Lee
Korta John
Ward Walter R.
Casaregold L. J.
Croyle Carlton R.
Fox Robert H.
Oldham Edward H.
Westinghouse Canada Limited
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