Fuel injector with a narrow annular space fuel chamber

Details Fuel injector with a narrow annular space fuel chamber Fuel injector with a narrow annular space fuel chamber

1992-12-18

1993-12-21

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

F02M 5106, B05B 134

Patent

active

052715639

ABSTRACT:
An improved fuel injector for an internal combustion engine generating very fine atomization of fuel even at the initiation of a valve opening event and including a cylindrical valve element terminating in a semi-spherical end portion which engages a valve seat to close the injector. The fuel quantity is controlled by maintaining the valve in an opened operative positions for a predetermined variable period of time. Fuel atomization in the form of very small particles is generated by providing an annular chamber upstream of the valve seat, this annular chamber being very narrow and short as to form an insignificant volume of fuel even when the valve is closed and the fuel motionless.

REFERENCES:
patent: 1252254 (1918-01-01), Fisher
patent: 4292947 (1981-10-01), Tanasawa et al.
patent: 4869429 (1989-09-01), Brooks et al.
patent: 4877187 (1989-10-01), Daly
patent: 4971254 (1990-11-01), Daly et al.
patent: 5170945 (1992-12-01), Daly et al.
patent: 5207384 (1993-05-01), Horsting

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