Power plants – Combustion products used as motive fluid – Combined with regulation of power output feature
Patent
1985-11-13
1988-01-05
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Combined with regulation of power output feature
4151994, 415219R, F02C 720, F02G 300
Patent
active
047167211
ABSTRACT:
The casings of gas turbine engines are subject to loadings which distort the casing and adversely affect the running clearance between rotating and static components contained within the casings. The invention provides an engine having inner and outer housings the inner housing containing one of the engine compressors. The inner casing is mounted on a load transmitting and isolating structure which allows thrust and torque to be transmitted to the outer casing, but isolates the inner casing from distortions of the outer casing. The load transmitting and isolating structure includes a torque reaction and mounting means at the upstream end of the inner casing, a mounting means and a thrust reacting means mounted between the ends of the inner casing. The mounting means are adjacent the bearings of the rotor shaft of the compressor and are not affected to any appreciable extent by outer casing distortion. The thrust reacting means are mounted in a horizontal plane and are not affected by bending of the outer casing in a vertical plane.
REFERENCES:
patent: 3620012 (1971-11-01), Wilde
patent: 3775975 (1973-12-01), Stenger et al.
patent: 3861139 (1975-01-01), Jones
patent: 3908361 (1975-09-01), Gardiner
patent: 4271666 (1981-06-01), Hurley et al.
patent: 4397471 (1983-08-01), Feldman et al.
patent: 4502276 (1985-03-01), Pask
Pask George
Shaw Peter A.
Casaregola Louis J.
Rolls-Royce plc
Stout Donald E.
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