METHOD OF STARTING A GAS TURBINE HELICOPTER ENGINE, A FUEL FEED CIRCUIT FOR SUCH AN ENGINE, AND AN ENGINE HAVING SUCH A CIRCUIT
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United States of America Patent
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Issued Date -
Sep 4, 2008
app pub date -
Feb 29, 2008
filing date -
Mar 2, 2007
priority date (Note) -
Abandoned
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Abstract
At least one of the main injectors of the engine, forming a starter main injector, is fed directly by the pressurized feed pipe, while a head loss is imposed between the pressurized feed pipe and the other main injectors. Ignition is caused to take place at the starter main injector, and after ignition, said head loss imposed between the feed pipe and the other main injectors is eliminated so that all of the main injectors are fed with fuel at substantially the same pressure, without any imposed head loss.
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