Fuel injector swirl passages

Details Fuel injector swirl passages Fuel injector swirl passages

1993-03-12

1994-05-03

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

2395853, F02M 6112

Patent

active

053079973

ABSTRACT:
Each swirl passages of the needle guide and fuel swirl member of a fuel injector has a longer and wider entrance portion and a shorter and narrower exit portion to allow only the latter portion, not the former portion, to perform a metering function. Production of swirl passages is facilitated and more consistent metering results.

REFERENCES:
patent: 1216630 (1917-02-01), Tuthill
patent: 4805837 (1989-02-01), Brooks et al.
patent: 4887769 (1989-12-01), Okamoto et al.
patent: 4971254 (1990-11-01), Daly et al.
patent: 5012981 (1991-05-01), Holzgrefe et al.
patent: 5033716 (1991-07-01), Mesenich
patent: 5044561 (1991-09-01), Holzgrefe
patent: 5114077 (1992-05-01), Cerny
patent: 5170945 (1992-12-01), Daly et al.

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