Electromagnetic valve

Details Electromagnetic valve Electromagnetic valve

2006-08-29

2008-12-02

Fristoe, Jr., John K. (Department: 3753)

Valves and valve actuation

Electrically actuated valve

Including solenoid

C335S299000

Reexamination Certificate

active

07458557

ABSTRACT:
A projection is provided in a flange of a resin spool, and a concave portion is provided in a yoke in a position facing the projection. The movement of the spool in the radial direction of the spool is restricted by inserting the projection into the concave portion. Because the inner circumferential surface of the concave portion and the outer circumferential surface of the projection are brought into contact, the movement of the spool in the axial direction of the spool is inhibited by frictional resistance at the points of contact.

REFERENCES:
patent: 5145149 (1992-09-01), Moehle
patent: 6390445 (2002-05-01), Fukano
patent: 6612543 (2003-09-01), Strobel
patent: 6731192 (2004-05-01), Moreno et al.
patent: 6994234 (2006-02-01), de Leeuw
patent: Y2-2539141 (1997-04-01), None

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