| 摘要 |
PROBLEM TO BE SOLVED: To simplify the design by preventing the spool rotation without performing the special constitution to prevent the spool rotation. SOLUTION: A supply channel P to supply the fluid to the inner circumference face of the first enlarged diameter part 5A of the engaged hole 5 that inserts the spool 6 to the axial sliding movement free is opened, the annular opening 7 is formed between the inner circumference face of the first enlarged diameter part 5A and the outer circumference face of the spool 6 and the flow control member 8 that penetrates and forms a throttle hole 9 is provided on the supply channel P. The flow control member 8 sets up the opening area and the axial measure of the throttle hole 9 so that the relation with the flow Q1 flowing into the annular space 7 from the side of the supply channel P to one direction of a circumference direction without passing the throttle hole 9, the flow Q2 flowing into the annular space 7 from the side of the supply channel P to other direction of the circumference direction without passing the throttle hole 9 and flowing and the flow Q3 passing the throttle hole 9 and flowing into the annular space 7 from the top of the supply channel P and flowing into the circumference direction is to be Q3=Q1-Q2. COPYRIGHT: (C)2006,JPO&NCIPI
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