Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1986-03-24
1988-01-12
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
25112921, 239585, F16K 3106, F02M 5106
Patent
active
047186356
ABSTRACT:
A fuel metering valve comprises a valving member mobile axially within a casing and operated by an electromagnet, with said valving member there being rigid an armature arranged for attraction by the core of the electromagnet, and an annular stop member being provided to act as a stop for said valving member and being interposed between a shoulder of said casing and the front surface of a nosepiece rigid with said casing and arranged to house said valving member; the stop member is provided, on that side facing said nosepiece, with at least two different flat surfaces, of which a first surface is arranged to form a stop for said valving member and a second surface is arranged to form a shoulder for said front surface of the nosepiece, said first and second surfaces being positioned each at a different distance from said casing shoulder.
REFERENCES:
patent: 3502105 (1970-03-01), Ernyei et al.
patent: 4385339 (1983-05-01), Takada et al.
patent: 4477027 (1984-10-01), Knapp et al.
Busacchi Pietro
de Concini Roberto
Rosenthal Arnold
Weber S.p.A.
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