Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1975-04-18
1977-02-01
Gordon, Clarence R.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
60 3929, 60 3966, 60 3974R, 415212R, 60 3971, F02C 904
Patent
active
040055728
ABSTRACT:
A gas turbine engine which comprises a rotary air compressor and a gas turbine, each with a rotor mounted on opposite ends of a rotor shaft, which is journalled in a housing positioned between the compressor and the turbine. The housing includes reduction gears. A combustion chamber is connected between the outlet air duct of the compressor and the hot gas inlet duct of the turbine. The power output is controlled by varying the air inlet to the compressor by means of an axially moving throttle control which limits the air passage into the compressor, either alone or in conjunction with variable angle compressor inlet pre-whirl vanes. It is also controlled by a shroud which surrounds the nozzle blades of the turbine. The shroud can be moved axially to limit the cross-section of flow of hot gas to the turbine blades. Auxiliary blades are mounted on the back of the turbine rotor which serves to draw cool outside air into the space between the housing and the hot gas inlet duct of the turbine, and up along the back surface of the turbine rotor, and through a plurality of axial holes drilled through the hub of the turbine rotor, all of which helps to cool the critical parts of the engine. Improved construction of the turbine rotor and the compressor rotor involves assembling the unit from a plurality of separate pieces which serve to provide a combined radial and axial flow of gases around the rotor blades. The fuel supply is controlled to be a function of the flow of air into the combustion chamber.
REFERENCES:
patent: 2992529 (1961-07-01), Sampietro
patent: 3034298 (1962-05-01), White
patent: 3045894 (1962-07-01), Ross
patent: 3074668 (1963-01-01), Frenzl
patent: 3162010 (1964-12-01), Mohrhauser
patent: 3199294 (1965-08-01), Hagen
patent: 3266250 (1966-08-01), Freeman
patent: 3626444 (1971-12-01), Caruel
patent: 3688605 (1972-09-01), Amann
patent: 3719042 (1973-03-01), Chamberlain
patent: 3899883 (1975-08-01), Stakic
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