| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a valve stem seal and a valve stem seal system with excellent durability and efficiency of assembling work. <P>SOLUTION: The valve stem seal system is provided with a valve stem guide 200 having an insertion hole to which a valve stem 300 is inserted and guiding the valve stem 300 by a guide face 210 constituted by part of the inner peripheral face of the insertion hole and with the valve stem seal 100 fixed to the valve stem guide 200. An annular recessed part 220 having an inside diameter larger than that of the guide face 210 is provided at the chip of the valve stem guide 200, and a female screw part 221 is formed on the inner peripheral face of the annular recessed part 220. The valve stem seal 100 is provided with a lip part 120 brought into slidable contact with the outer peripheral surface of the valve stem 300 and a male screw part 111 screwed to the female screw part 221, and includes a resin material. <P>COPYRIGHT: (C)2010,JPO&INPIT |
