Fuel injection valve

Details Fuel injection valve Fuel injection valve

1990-03-09

1992-04-28

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

2395854, 2395855, 23953312, 239900, F02M 6100, B05B 130

Patent

active

051080370

ABSTRACT:
A fuel injection valve (10) has a valve member (2) arranged to be controllably movable in an axial direction toward and away from a circular valve seat (4) so as to control fuel flow from a port (5) downstream from the valve seat. An axial fuel passage (7) extends from upstream of the valve seat (4) through a clearance between the seating portion and the seat (4) for producing a substantially non-swirling fuel flow from the port (5). A transverse fuel passage (8) is also provided and the transverse fuel passage extends transversely to the axial passage and communicates with the axial fuel passage at a location offset to a diameter of the valve seat for producing a swirling fuel flow from the port (5). A combination of swirling and non-swirling fuel flow is thus supplied by the port (5), for producing finer fuel droplets of improved distribution.

REFERENCES:
patent: 2775484 (1956-12-01), Fox
patent: 2920831 (1960-01-01), Johnsyn, Jr.
patent: 3241768 (1966-03-01), Croft
patent: 3406910 (1968-10-01), Simmons
patent: 4192466 (1980-03-01), Tanasawa et al.
patent: 4266727 (1981-05-01), Happel et al.
patent: 4403741 (1983-09-01), Moriya et al.
patent: 4564145 (1986-01-01), Takada et al.

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