| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a shaft seal device that seals an outer periphery of a rotary shaft, capable of effectively preventing foreign matter and deteriorated lubricating oil from remaining to improve lubrication and protection performance of a seal member. <P>SOLUTION: The shaft seal device includes: a rotary shaft 3; a seal member 11; a liquid chamber 9 filled with oil; and a seal member housing chamber 10, wherein the liquid chamber 9 is separated from the seal member housing chamber 10 by a partition wall 12, a through-hole 13 is formed in the partition wall 12, a hollow member 14 is fitted in the through-hole 13, a protrusion of the hollow member protrudes toward the seal member housing chamber 10 to engage with the seal member 11, and the liquid chamber 9 and the seal member housing chamber 10 are made to communicate with each other via the hole 14a of the hollow member 14. <P>COPYRIGHT: (C)2013,JPO&INPIT |
