Pneumatic governor control apparatus for engine fuel injection s

Details Pneumatic governor control apparatus for engine fuel injection s Pneumatic governor control apparatus for engine fuel injection s

1978-01-19

1979-11-27

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

123140MC, 123140R, F02D 104

Patent

active

041755308

ABSTRACT:
An engine driven air pump produces a vacuum having a magnitude or level which increases with engine speed. The air pump is connected to a pneumatic governor which varies the volume of fuel injected into the engine by a fuel injection pump in accordance with the level of vacuum. A control valve variably communicates the inlet of the governor with the atmosphere to control the level of vacuum. A high speed valve connected in series with the control valve progressively closes when the engine speed exceeds a predetermined maximum value. A shut-off valve connected in series with the control valve closes when an engine on-off switch is turned off.

REFERENCES:
patent: 2817325 (1957-12-01), Meissner
patent: 2884918 (1959-05-01), Klug
patent: 2899952 (1959-08-01), Zechnall et al.
patent: 3142291 (1964-07-01), Bostwick
patent: 3605711 (1971-09-01), Fuso
patent: 3664319 (1972-05-01), Channing
patent: 3916861 (1975-11-01), Akashi et al.
patent: 4082066 (1978-04-01), Long
patent: 4095573 (1978-06-01), Kollmann

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