| 摘要 |
A 2-position 3-way solenoid valve provided with one plunger and ports arranged in a half portion of the valve in its longitudinal direction is disclosed. The valve includes a valve body having a base with first and second ports and open and closed ends, a housing being hermetically coupled to the base and having a third port, and a cover for closing an end of the housing, the valve body having a chamber therein. The first and second ports are directly communicated with the chamber, and the third port is communicated with the chamber through a flow passage extending to the cover from the housing. A hollow cylindrical sleeve is disposed within the valve body, extending from the housing to the base. A plunger having balls each fixed at both ends thereof is movably disposed within the chamber. On the circumference of the plunger, a plurality of grooves are formed in its longitudinal direction.
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