Electronically controlled fuel injection pump

Details Electronically controlled fuel injection pump Electronically controlled fuel injection pump

1975-05-06

1977-07-19

Dority, Jr., Carroll B.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139AZ, 123139E, 123140A, 417289, F02M 3900

Patent

active

040361934

ABSTRACT:
A plunger is reciprocable in a barrel to force fuel to the injection nozzles. The portion of the barrel defining with the plunger the compression chamber is movable and is formed with a port leading to the unpressurized fuel reservoir in such a manner that the plunger uncovers the port at the end of its fuel injection stroke to overflow fuel from the compression chamber to the reservoir and terminate fuel injection. The position of the movable portion of the barrel and thereby the port relative to the plunger determines the fuel injection volume. A closed loop electronic servo system is provided to position the movable part of the barrel in accordance with the required fuel injection volume.

REFERENCES:
patent: 2852308 (1958-09-01), Whitson
patent: 3058455 (1962-10-01), Hoper
patent: 3407793 (1968-10-01), Lang
patent: 3630177 (1971-12-01), Engel
patent: 3630643 (1971-12-01), Eheim
patent: 3638631 (1972-01-01), Eheim
patent: 3665907 (1972-05-01), Laufer
patent: 3724436 (1973-04-01), Nagata et al.
patent: 3777731 (1973-12-01), Kobayashi et al.
patent: 3827409 (1974-08-01), O'Neill
patent: 3880131 (1975-04-01), Twaddell et al.
patent: 3897762 (1975-08-01), Jones et al.

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