Antonelli, Terry, Stout & Kraus, LLP.
Normally-open solenoid valve including plunger formed with pressure receiving portion
A solenoid valve includes a solenoid coil, a yoke of magnetic material, an armature of magnetic material to move in an axial direction of the solenoid coil when the solenoid coil is energized, a plunger to be moved with the armature, a valve seat member including a seat portion formed with a valve hole to be closed and opened by a forward end portion of the plunger, and a coil spring which is disposed between a spring receiving portion of the plunger and the valve seat member, around the plunger. The plunger includes a pressure receiving portion (such as a flat portion) which extends in a radial direction of the plunger at a position between the forward end portion and the spring receiving portion of the plunger, and which faces to the seat portion.
Hitachi Automotive Systems, Ltd.
F B
F16K B60T
inventional inventional
Keigo Norihiro Satoshi Tadaharu
Yoshida Saita Doi Yokota