Multi-stage fuel metering valve assembly

Details Multi-stage fuel metering valve assembly Multi-stage fuel metering valve assembly

1979-10-26

1982-08-03

Myhre, Charles J.

Valves and valve actuation

With correlated flow path

With mounting or support

123472, 251285, 239585, B05B 130, F02M 5106

Patent

active

043424430

ABSTRACT:
A fuel metering apparatus is shown as having a throttle body with induction passage means therethrough and a throttle valve for controlling flow through the induction passage means; fuel under superatmospheric pressure is metered through a multi-stage fuel metering valve assembly and such metered fuel is supplied as to the induction passage means; the multi-stage metering valve assembly is shown as having a valve member with a step-like surface reciprocatingly cooperating with a metering orifice of fixed effective flow area so that during a first range of metered fuel flow a first portion of the step-like surface is effective for cooperating with the metering orifice in determining the rate of metered fuel flow while during a second range of metered fuel flow a second portion of the step-like surface is effective for cooperating with the metering orifice in determining the rate of metered fuel flow.

REFERENCES:
patent: 1822668 (1931-09-01), Protzeller
patent: 2637407 (1953-05-01), Burk
patent: 2769943 (1956-11-01), Mathews
patent: 3079947 (1963-03-01), Hunt
patent: 3942485 (1976-03-01), Suda
patent: 4007880 (1977-02-01), Hans

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