Solenoid valve

Details Solenoid valve Solenoid valve

1989-07-31

1990-06-26

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

251121, F16K 3106

Patent

active

049365436

ABSTRACT:
A solenoid valve plunger 23 has a conical tip portion 25 which is insertable into a valve seat 5 to close it, a cylindrical portion 24 slidable within a magnetic plate 2, and an annular raised portion 26 for deflecting a fluid flow between the conical portion of the plunger and the valve opening away from the magnetic plate. Alternatively, the plunger may have a nonmagnetic conical tip portion 32 which is insertable into the valve opening to close it, and a partially nonmagnetic cylindrical portion slidable within the magnetic plate, the magnetic plate having a nonmagnetic guide portion 35. Both constructions avoid the impeding accumulation of magnetic particles at the plunger base.

REFERENCES:
patent: 3263959 (1966-08-01), Wisniewski
patent: 4522372 (1985-06-01), Yano et al.
patent: 4570902 (1986-02-01), Yew et al.

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