| 摘要 |
A circular cap is slidably fitted upon an outer periphery of a tip end portion of a movable core. The movable core is biased in a direction to separate from a fixed core by means of a return spring via the cap. A tip end of a pushrod extending from a holding member for holding a valve element is allowed to be in contact with a tip end of the cap. A biasing force of the return spring is applied from the cap to the valve element via the pushrod when the movable core is separated from the fixed core by means of the return spring by demagnetization of an exciting coil, and the valve element is allowed to be in contact with a valve seat.
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