Rotor assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 31, 2016
Grant Date -
Mar 13, 2014
app pub date -
Sep 13, 2012
filing date -
Sep 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A rotor assembly for a gas turbine engine, with an annular sleeve having an inner member connected around the shaft to rotate together therewith and having an outer member with a first end connected to the inner member, the outer member defining an annular continuous frustoconical inner surface angled such as to extend closer to the central axis near the first end. A rotor disc includes an annular protuberance extending radially inwardly of the outer member and forced toward the first end, and having an annular continuous frustoconical outer surface complementary to the inner surface of the outer member and in torque-transmitting engagement therewith. The assembly includes means for axially pressing the sleeve and the disc against one another to maintain the complementary frustoconical surfaces in torque-transmitting engagement. A method of engaging a rotor disc to a driving shaft in a gas turbine engine is also provided.
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