AIRCRAFT GAS TURBINE ENGINE COMBUSTION CHAMBER IGNITION UNIT Russian patent published in 2012 - IPC H01T13/00 

FIELD: engines and pumps.

SUBSTANCE: proposed ignition unit comprises ignition plug and jacket enveloping plug case to make cooling space furnished with inlet and outlet holes. Said inlet in jacket case to communicate jacket outer surface with cooling space made between jacket inner and outer surfaces to be located between combustion chamber outer casing and engine flame tube casing arranged on engine compressor side in fitting ignition unit on engine. Jacket face is jointed with ignition plug working end. Arched outlet hole is made in jacket parallel with plug axis arranged opposite outlet hole to overlap half the circle of plug working face, at most.

EFFECT: improved starting characteristics of low-emission combustion chambers, decreased weight.

3 dwg