Injection valve

Details Injection valve Injection valve

1986-12-30

1988-03-22

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

239492, 23953312, 239585, 239600, B05B 134

Patent

active

047323272

ABSTRACT:
An injection valve for fuel injection systems in internal combustion engines which comprises a movable valve element cooperating with a valve seat disposed in a nozzle body, with a guide bore provided downstream of the valve seat. A swirl insert is partially compressed in the guide bore and disposes open swirl channels in the direction of its circumference. The swirl channels extend in an axial direction from one end of the swirl insert to the other, are slanted toward the longitudinal shaft of the injection valve and discharge in a tangential direction into a preparation bore. The swirl channels serve simultaneously as metering channels whose throttling length is adjustable by displacing the swirl insert inside the guide bore.

REFERENCES:
patent: 2719755 (1955-10-01), Stanley
patent: 4033513 (1977-07-01), Long
patent: 4248296 (1981-02-01), Jezek
patent: 4394973 (1983-07-01), Sauer et al.
patent: 4416423 (1983-11-01), Krauss et al.
patent: 4454990 (1984-06-01), Lewis
patent: 4455982 (1984-06-01), Hafner et al.

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