F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
170/72
F02C 7/00 (2006.01) F01D 7/00 (2006.01) F01D 9/06 (2006.01) F02K 3/072 (2006.01)
Patent
CA 1226228
COUNTERROTATING POWER TURBINE ABSTRACT OF THE DISCLOSURE An improved counterrotating power turbine is disclosed. The power turbine includes a support having an annular axial cross-section and forward and aft portions. The forward portion of the support has a diameter greater than the diameter of the aft portion. Also included are a first rotor and a second rotor. The first rotor is supported on the first portion of the support by first bearing means and extends to the aft portion forming a first interface therewith. The second rotor is supported on the first rotor by second bearing means and extends to the aft portion of the support forming a second interface therewith. In this manner, it is possible to have low diameter slip rings of the first and second interfaces while maintaining relative high diameters for the rotor bearing means.
496574
Company General Electric
Eckersley Raymond A.
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