CPC F02C 7/32 (2013.01) [F01D 5/026 (2013.01); F05D 2220/323 (2013.01); F05D 2220/76 (2013.01); F05D 2260/4031 (2013.01); F16D 2001/103 (2013.01); F16D 2300/08 (2013.01)] | 17 Claims |
1. A shaft assembly comprising:
a first shaft having a radial inner facing surface, wherein the radial inner facing surface includes:
a radial inner facing spline extending axially between first and second spline ends;
a radial inner facing projection, axially adjacent to one of the first and second spline ends of the radial inner facing spline, that extends to a radial inner facing projection surface; and
a radial inner facing projection seat, axially adjacent to another of the first and second spline ends of the radial inner facing spline; and
a second shaft having a radial outer facing surface, wherein the radial outer facing surface includes:
a radial outer facing spline extending axially between first and second spline ends;
a radial outer facing projection, axially adjacent to one of the first and second spline ends of the radial outer facing spline, that extends to a radial outer projection surface; and
a radial outer facing projection seat, axially adjacent to another of the first and second spline ends of the radial outer facing spline;
wherein:
the first shaft at least partially surrounds the second shaft so that the radial inner and outer facing splines mesh with each other;
the radial inner facing projection surface is disposed against the radial outer facing projection seat; and
the radial outer facing projection surface is disposed against the radial inner facing projection seat;
a mating ring assembly supported by the second shaft,
wherein the mating ring assembly defines a mating ring axial end surface; and
an input seal assembly supported by a stationary structure that at least partially surrounds the shaft assembly,
wherein the input seal assembly defines a seal assembly axial end surface;
wherein, the mating ring axial end surface and the seal assembly axial end surface are configured to face and engage each other.
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