Nozzles for fuel injections

Details Nozzles for fuel injections Nozzles for fuel injections

1995-03-10

1997-01-14

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

23953312, F02M 6108, F02M 6118, F02M 6712, F02M 6904

Patent

active

055930956

ABSTRACT:
An internal combustion engine fuel injector having a selectively openable nozzle (10) through which fuel is delivered to a combustion chamber of the engine. The nozzle (10) comprises a port (12) having an internal annular surface (13) and a valve member (20) having an external annular surface co-axial with respect to the internal annular surface. The annular surfaces being shaped so that when the internal and external annular surfaces are in sealing contact closing the nozzle the maximum width (17) of the passage between the surfaces is not substantially more than 40 microns, preferably not more than 20 microns, in the direction normal to the surfaces.

REFERENCES:
patent: 4394970 (1983-07-01), Hofmann et al.
patent: 4408722 (1983-10-01), Frelund
patent: 4523719 (1985-06-01), Hofmann
patent: 5090625 (1992-02-01), Davis

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