| 摘要 |
<p>A spool valve may comprise a valve body having a plurality of ports and a body chamber connected to the ports; a valve body socket inserted into the body chamber, including a plurality of ports connected to the ports at the valve body, respectively, and a socket chamber connected to the ports. A valve spool is movably inserted into the socket chamber, and includes a plurality of lands disposed at predetermined gaps with grooves formed between the lands for selectively connecting one port to the other port at the valve body via the socket chamber.</p> |
