Power plants – Combustion products used as motive fluid – Multiple fluid-operated motors
Patent
1989-01-09
1990-02-20
Casaregola, Louis J.
Power plants
Combustion products used as motive fluid
Multiple fluid-operated motors
60 3975, 416198A, F02C 300, F02C 700
Patent
active
049015230
ABSTRACT:
A gas turbine engine rotor having a turbine on a tubular shaft of the rotor and a compressor rotating group adapted for attachment to the shaft. The shaft has a radial flange at one end with an annular face in a plane perpendicular to the axis of the shaft and interrupted by a symmetrical array of bolt holes. The compressor rotating group has an annular face juxtaposed the annular face on the shaft and interrupted by a corresponding symmetrical array of bolt holes. An adjustable annular shim pack consisting of a pair of identical wedge-shaped annular shims is disposed between the juxtaposed annular faces and is adjusted by relatively rotating the shims until the wedge angle of the shim pack equals the angle between the planes of the annular faces when the longitudinal axes of the shaft and compressor rotating group are collinear. The compressor rotating group is bolted to the shaft with the shim pack captured between the juxtaposed annular faces.
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Casaregola Louis J.
General Motors Corporation
Schwartz Saul
Thorpe Timothy S.
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