Electromagnetically actuatable valve

Details Electromagnetically actuatable valve Electromagnetically actuatable valve

1985-04-15

1986-07-01

Scott, Samuel

Valves and valve actuation

Electrically actuated valve

Including solenoid

251 86, 25112905, 239585, F16K 3106

Patent

active

045975582

ABSTRACT:
An electromagnetically actuatable valve is proposed, which serves in particular to inject fuel into the intake tube of internal combustion engines having fuel injection systems. The fuel injection valve includes a valve housing, a core having a magnetic coil and an armature, which is guided by a guide diaphragm and is firmly connected to a bearing tube. Protruding into the bearing tube is a spherical pivot segment of a valve member, which is on the one hand partially surrounded and engaged by a pan-shaped segment of the bearing tube and on the other hand is axially fixed by means of a retainer ring. Joined to the pivot segment is an elongation segment, on the other end of which a spherical sealing segment is secured, and which is further radially guided by means of a guide ring and thereby cooperates with a valve seat in a nozzle body. Since the pivot segment is pivotably supported in the bearing tube, shear forces at the armature have no effect on the sealing segment.

REFERENCES:
patent: 1273304 (1918-07-01), Yates
patent: 1832341 (1931-11-01), Williamson
patent: 3231144 (1966-01-01), Rouanet et al.
patent: 4142683 (1979-03-01), Casey et al.
patent: 4477027 (1984-10-01), Knapp et al.

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