Injection valve

Details Injection valve Injection valve

1990-08-23

1991-05-07

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239585, F02M 6120, F02M 6110, F02M 6100

Patent

active

050129813

ABSTRACT:
The invention relates to an injection valve for internal combustion engine fuel injection systems. The valve is designed to inject fuel into the intake manifold. The valve comprises a valve housing containing a core, with which an armature cooperates. A nozzle body with a valve seat is connected to the valve housing. A sealing seat of a valve needle guided in the nozzle body cooperates with the valve seat. The valve needle is guided by first and second guide parts in a guide bore of the nozzle body and the second guide part, which is adjacent to the sealing seat in the upstream direction, is provided with metering bores. These metering bores are inclined such that they produce a spinning effect when the valve is open, thereby providing for good preparation of the fuel. According to the invention, each metering bore discharges immediately proximate to and directly upstream of, the sealing seat.

REFERENCES:
patent: 2584745 (1952-02-01), Seliber
patent: 2743961 (1956-05-01), L'Orange
patent: 2769669 (1956-11-01), L'Orange
patent: 3035780 (1962-05-01), Peras
patent: 4651931 (1987-03-01), Hans et al.

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