| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fluid control valve of compound function which can show different function according to applied pressure with a small-sized simple structure. SOLUTION: A spool 32 is provided with a part 33 driven according to input, and a movable valve element 34 displaceably supported thereto, for opening/ closing changing over fluid passages 31b to 31e. A pressure sensing chamber is arranged between a housing 31 and the spool 32 for energizing a movable valve body 34 to a normal function operation position on one side of a valve element displacement, due to hydraulic pressure. A spring 38 is arranged between the movable valve body 34 and the driven part 33 for energizing the movable valve element to the other side. When the hydraulic pressure in the pressure sensing chamber 37 is reduced, the movable valve body 34 is moved to the functional operation position on the other side in the displacing direction of the valve element.</p> |
