Fuel injector electromagnetic metering valve

Details Fuel injector electromagnetic metering valve Fuel injector electromagnetic metering valve

1995-05-31

1996-10-01

Rivell, John

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

2395851, 25112916, 25112921, B05B 130, F16K 3140

Patent

active

055605494

ABSTRACT:
The valve comprises a shutter for the drain conduit of the control chamber of the injector; and an electromagnet having a fixed core with a seat for a coil which is energized to operate the armature controlling the shutter.
The core presents two coaxial annular pole pieces, the outer one of which is shorter than the inner one and fitted with a ring of magnetic material partially closing the seat and enabling a substantial reduction in the diameter and, hence, the hydraulic resistance and mass of the armature.

REFERENCES:
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patent: 3610529 (1971-10-01), Huber
patent: 4795098 (1989-01-01), Kirchner et al.
patent: 4923122 (1990-05-01), Morini et al.
patent: 4928888 (1990-05-01), Ricco
patent: 4946106 (1990-08-01), Turchi et al.
patent: 5054691 (1991-10-01), Huang et al.
patent: 5154350 (1992-10-01), Ausiello et al.
patent: 5169066 (1992-12-01), Ricco et al.
patent: 5238224 (1993-08-01), Horsting
patent: 5246165 (1993-09-01), De Matthaeis et al.
patent: 5395048 (1995-03-01), Ricco et al.

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