Twin spool turbine engine with power take-off means on the...

Details Twin spool turbine engine with power take-off means on the... Twin spool turbine engine with power take-off means on the...

2006-02-09

2009-06-30

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

C060S802000

Reexamination Certificate

active

07552591

ABSTRACT:
The invention relates to a twin spool turbine engine comprising a high-pressure rotor and a low-pressure rotor, at least one accessory gearbox, a drive means, driving coaxial transmission shafts that transmit movement to the accessory gearbox, characterized in that the drive means comprises a high-pressure drive pinion secured to the high-pressure rotor near its upstream end, a low-pressure drive pinion secured to the low-pressure rotor upstream of the high-pressure rotor, and a power take-off module in direct mesh with the drive pinions, driving the transmission shafts.By virtue of the invention, the transmission shafts run coaxial with one another and therefore pass through a single arm. The use of a power take-off module simplifies the mechanism. The turbine engine is simpler to assemble.

REFERENCES:
patent: 4566269 (1986-01-01), Gingras
patent: 4776163 (1988-10-01), Brockmann
patent: 6058791 (2000-05-01), Brunet
patent: 6672049 (2004-01-01), Franchet et al.
patent: 7168913 (2007-01-01), Lardellier
patent: 7386983 (2008-06-01), Miller
patent: 2005/0100258 (2005-05-01), Brossier et al.
patent: 1 255 023 (2002-11-01), None
patent: 1 574 688 (2005-09-01), None
U.S. Appl. No. 11/333,506, filed Jan. 18, 2006, Beutin et al.
U.S. Appl. No. 11/276,012, filed Feb. 9, 2006, Bart et al.

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