Fuel control system for a ram jet engine

Details Fuel control system for a ram jet engine Fuel control system for a ram jet engine

1978-10-31

1981-06-16

Garrett, Robert E.

Power plants

Reaction motor

Condition responsive thrust varying means

60270R, F02K 710

Patent

active

042729572

ABSTRACT:
A fuel control system for a ram jet engine has a metering orifice 20 controlled by a portion 18 of a stem 17 in accordance with an engine air pressure signal PR, for regulating flow to the main burners of the engine. A further metering orifice 21 downstream of the orifice 20 is controlled by a portion 19 of the stem 17 and regulates flow to the engine pilot burners. Main burner flow is additionally controlled by a valve 30 responsive to engine temperature. The arrangement is such that pilot burner flow is maintained substantially stoichiometric even when main burner flow shuts down in response to a temperature increase.

REFERENCES:
patent: 3037350 (1962-06-01), Cowles et al.
patent: 3630029 (1971-12-01), Smith
patent: 3714784 (1973-02-01), Glaze et al.
patent: 3777483 (1973-12-01), Lewis
patent: 3824786 (1974-07-01), Skinner

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