Injection valve for internal combustion engines

Details Injection valve for internal combustion engines Injection valve for internal combustion engines

1976-04-16

1978-03-07

Saifer, Robert W.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

239 15, 239453, 23953312, F02M 4700, B05B 500

Patent

active

040773744

ABSTRACT:
An injection valve for internal combustion engines with a valve member forced against its valve seat opposite the injection direction by a spring force and adapted to be lifted off from the valve seat in the injection direction by the hydraulic pressure in the fuel liquid to be injected, and in which the fuel liquid is adapted to be sprayed off in the form of a spray cone; the valve seat is thereby arranged at the end of an electrically conductive tubular spacer member electrically conductively connected with the valve housing and projecting from the valve housing; the outer diameter of the tubular spacer member is thereby considerably smaller than a characteristic valve housing dimension within the area of the connecting place of the spacer member with the valve housing while an annular electrode is arranged at a spacing about the discharge place of the valve which is electrically insulated with respect to the valve housing and the spacer member; the front end edge of the annular electrode, as viewed in the injection direction, has a larger spacing from the valve housing than from the spacer member while its rear end edge lies outside of the spray cone; an electrical potential is applied to the annular electrode with respect to the valve housing.

REFERENCES:
patent: 3269446 (1966-08-01), Luther
patent: 3347470 (1967-10-01), Svoboda
patent: 3510112 (1970-05-01), Winquist et al.
patent: 3727636 (1973-04-01), Simmons
patent: 3749545 (1973-07-01), Velkoff

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