Control apparatus for a fuel injection pump for diesel combustio

Details Control apparatus for a fuel injection pump for diesel combustio Control apparatus for a fuel injection pump for diesel combustio

1979-10-02

1982-03-09

Lazarus, Ira S.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123198DB, F02D 700

Patent

active

043183794

ABSTRACT:
A control apparatus for a fuel injection pump of a diesel combustion engine is proposed, in which the fuel delivery adjustment element of the injection pump is moved to its zero adjustment position when the engine cuts off, is held in this position (roll-start lock), and can reach its start-position only in accordance with standard starting procedure. The control apparatus includes a hydraulically actuated correcting element, that can be placed under fuel delivery pump pressure by means of a directional control valve for displacing the fuel delivery adjustment element into its zero adjustment position. The correcting element is locked by a slide lock, likewise controlled by delivery pump pressure. The slide lock is brought into its blocking position when the delivery pump pressure drops sufficiently, and retracted only when the driver actuates the directional control valve and the delivery pump pressure increases when the engine starts.

REFERENCES:
patent: 3025843 (1962-03-01), Wagner et al.
patent: 3605711 (1971-09-01), Fuso
patent: 3614946 (1971-10-01), Staudt et al.
patent: 3782493 (1974-01-01), Lipschutz et al.
patent: 4170976 (1979-10-01), Eckert et al.
patent: 4208998 (1980-06-01), Hofmann et al.

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