Start system for expendable gas turbine engine

Details Start system for expendable gas turbine engine Start system for expendable gas turbine engine

2005-09-13

2005-09-13

Kim, Ted (Department: 3746)

Power plants

Combustion products used as motive fluid

Process

C060S787000, C060S727000

Reexamination Certificate

active

06941760

ABSTRACT:
A start system for an expendable gas turbine engine includes a pressurized oxygen source and a pyroflare igniter. The pressure source communicates oxygen to a compressor through a first passage to spin-up a rotor and communicates oxygen to a combustor through a second passage to provide light-off oxygen for the atomized fuel within the combustor. A pressure regulator shuts off the impingement flow at a predetermined pressure and blow down of combustor flow continues for an enhancement period to assure continued operation of the gas turbine even at high altitudes.

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