Fuel injector calibration through directed leakage flux

Details Fuel injector calibration through directed leakage flux Fuel injector calibration through directed leakage flux

1994-03-07

1995-02-28

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including valve means in flow line

Reciprocating

2395851, 25112915, B05B 130, F02M 5106

Patent

active

053929950

ABSTRACT:
An electromagnetic fuel injector for delivering fuel to an internal combustion engine having a solenoid energizeable by an electrical signal from a controller to establish a magnetic field operable to lift a valve member from a seat. The solenoid assembly having a tubular pole piece with an area of increased reluctance adjacent the working surface of the pole piece and an adjustment rod disposed for movement within the high reluctance region to thereby vary the location at which the high reluctance region begins. Leakage flux from the high reluctance region of the magnetic circuit may be directed to operate on a particular element of the magnetic circuit based on the location of the adjustment rod thereby allowing the leakage flux to exert a force on the element to thereby vary the dynamic response characteristics of the injector.

REFERENCES:
patent: 4463332 (1984-07-01), Everett
patent: 4646975 (1987-03-01), Horn
patent: 4949904 (1990-08-01), Bata et al.
patent: 5044562 (1991-09-01), Rogers et al.
patent: 5156341 (1992-10-01), Terakado et al.
patent: 5158236 (1992-10-01), Sugiyama et al.
patent: 5232167 (1993-08-01), McCormick et al.
patent: 5295627 (1994-03-01), Wahba

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