F - Mech Eng,Light,Heat,Weapons – 02 – C
Patent
F - Mech Eng,Light,Heat,Weapons
02
C
60/81
F02C 7/32 (2006.01) B64D 35/00 (2006.01) F02C 6/20 (2006.01) F02C 7/36 (2006.01) F02C 9/56 (2006.01) F02K 3/00 (2006.01) F02K 3/072 (2006.01) F16H 1/28 (2006.01)
Patent
CA 1310194
13DV-8751 AUXILIARY POWER SOURCE IN AN UNDUCTED FAN GAS TURBINE ENGINE ABSTRACT OF THE DISCLOSURE A power takeoff for an unducted fan gas turbine engine having first and second counterrotating coaxial rotors coupled respectively to first and second propellers. The rotors and propellers are oriented for rotation about a longitudinal axis of the engine. A gear is coupled to each of the rotors for rotation therewith and arranged to provide rotational motion about an axis transverse to the engine axis. A shaft is coupled to the gear for rotation about the transverse axis. Each of the propellers includes a plurality of propeller blades, each of the blades is rotatable about a corresponding blade axis, and a control is coupled to the blades for varying the pitch thereof whereby power is selectively distributed between the propellers and the power takeoff. The power takeoff may include a propeller coupled to the shaft for developing thrust substantially transverse to the engine axis and/or a pump, compressor, or generator to supply fluids or electric power to other apparatus.
611426
Adamson Arthur P.
Butler Lawrence
Adamson Arthur P.
Butler Lawrence
Company General Electric
Oldham And Wilson
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