Starting method and system for a gas turbine machine

Details Starting method and system for a gas turbine machine Starting method and system for a gas turbine machine

F - Mech Eng,Light,Heat,Weapons

02

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60/59

F02N 7/08 (2006.01) F01L 25/06 (2006.01) F02C 7/275 (2006.01) F04B 9/133 (2006.01)

Patent

CA 1049271

ABSTRACT A self-contained pneumatic starting system and method for initiating starting of a gas turbine machine includes a res- ervior of pressurized gas which delivers motive gas flow to an expansion type pneumatic motor directly coupled to the compressor of the gas turbine machine for initiating rotation of the com- pressor during start up. Upon reaching self-sustaining speeds, the compressor delivers a flow of pressurized gas to replenish the reservoir for subsequent starting operation. A pressure amplifier increases the pressure of the recharging gas being supplied to the reservoir. Embodiments for driving the pressure amplifier both hydraulically and pneumatically are disclosed.

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