Fuel injection system and purging method

Details Fuel injection system and purging method Fuel injection system and purging method

2006-02-03

2010-10-26

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

With safety device

C060S803000

Reexamination Certificate

active

07818955

ABSTRACT:
A fuel injection system has a fuel lance for supplying gaseous fuel to the burner of a gas turbine engine. The fuel lance includes a gas sensor that is used to monitor the concentration of the methane fuel inside the gas pilot channel of the fuel lance. The invention prevents overheating caused by the ignition of the methane fuel inside the fuel lance by monitoring the concentration of the methane fuel during the purge sequence and taking action if a critical fuel air mixture is reached.

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patent: 2006/0114115 (2006-06-01), Smith et al.
patent: 0 724 115 (1996-07-01), None
patent: 1 184 623 (2002-03-01), None

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