| 摘要 |
<p>An electrically operated pneumatic valve including a valve block having small diameter inlet and outlet jet ports transmitting an air jet across a cavity, a gate of smaller width than the cavity and movable into the cavity and across the air jet so as to interrupt the jet, an electric coil having a permanent magnet armature therein for moving the gate out of jet blocking position, and a return magnet positioned opposite the armature so as to move the armature into jet blocking position.</p> |
