Assertion: pilot light | /r/CapableOf | say burner
Facets:
value: for injecting metered quantities of fuel
type: PURPOSE
Source sentences:
text: A pilot burner for a ram jet engine having a main combustion pipe, said pilot burner supported in said pipe and comprising a venturi type structure having an upstream inlet and a downstream outlet, means acting on a portion of the air stream in said pipe flowing into said venturi to slow same down in passing therethrough, a fuel metering and injection device associated with said burner and having fuel metering means operable in response to the velocity and pressures of the air entering said burner for injecting metered quantities of fuel into the slower moving air in said burner to provide a combustible mixture of an optimum fuel-air ratio regardless of conditions in the main combustion pipe, and a flame holder and associated igniter in said burner venturi adjacent the outlet.