Injection valve

Details Injection valve Injection valve

1981-03-30

1983-07-26

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

239490, 239585, F02M 6116, F02M 6118, F02M 5108

Patent

active

043949738

ABSTRACT:
A fuel injection valve is proposed for fuel injection systems of internal combustion engines, which serves to supply fuel into the intake tube of the engine. The injection valve includes a movable valve element which cooperates with a fixed valve seat, downstream of which are provided horizontal fuel guidance bores which discharge tangentially into a spin chamber. The spin chamber is disposed so that it widens conically in the flow direction. The fuel guidance bores simultaneously serve as metering bores. The spin chamber causes an axial speed component to be imparted to the fuel entering via the fuel guidance bores. As a result, the dwell time of the metered fuel within the spin chamber is short, and even in the case of quite short injection pulses, the fuel is still sufficiently well prepared.

REFERENCES:
patent: 1033603 (1912-07-01), Manly
patent: 1860347 (1932-05-01), Crowe
patent: 2400702 (1946-05-01), Messinger et al.
patent: 2733960 (1956-02-01), Barfod
patent: 3450353 (1969-06-01), Eckert
patent: 3566851 (1971-03-01), Pfrommer
patent: 3614945 (1971-10-01), Schlagmuller
patent: 3949938 (1976-04-01), Goodinge
patent: 4248296 (1981-02-01), Jezek

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