F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/210
F16H 1/12 (2006.01) F02C 7/32 (2006.01) F16H 1/14 (2006.01)
Patent
CA 1184790
MODULAR INLET GEARBOX FOR A GAS TURBINE ENGINE ABSTRACT OF THE DISCLOSURE In embodiment, the inlet gearbox includes a gear- box housing which is removably coupled to a fan module. The gearbox includes a horizontal gear for removably mating with gear teeth on the stub shaft of the compressor module. The gearbox includes vertical means couples to the horizontial gear means for developing a drive output of the gearbox. A single main shaft bearing is fixedly disposed in the gearbox housing. The main shaft bearing supportably receives a rearward extension of the horizontal gear. The stub shaft is inserted into the rearward extension of the horizontal gear. The main shaft bearing provides the sole rotational support for the horizontal gear of the module inlet gearbox and for the forward end of the stub shaft of the compressor module. The main shaft bearing is disposed in the inlet gearbox housing in a controlled environment prior to assembly of the inlet gearbox into the gas turbine engine. A coupling nut, including two internal locknuts, is provided for removably coupling the gearbox to the compressor stub shaft.
388661
Mccarty William V.
Thiemann Donald J.
Company General Electric
Eckersley Raymond A.
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