| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To achieve a detent-type 3-position selector valve of an electromagnetic switching system. <P>SOLUTION: A 3-position electromagnetic selector valve 1 includes: a spool 3 that switches flow passages T, A, B, and P to a straight state, a closed state, or a crossed state and whose position is held; right and left spindles 5, 6 continuous to both ends of the spool so as to slide the spool; right and left fixed electromagnetic coils 11, 12 for sliding the right and left spindles; a closing position control means that has stoppers 16, 17, provided on the spindles, and closing electromagnetic coils 18, 19 provided on the spool side of the fixed electromagnetic coils so as to magnetically attract the stoppers; and magnetic bodies 13, 14 provided on the side, opposite to the spool, of the spindles and attracted by electromagnetic force generated by the fixed electromagnetic coils. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
