| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To suppress an increase in friction of a timing chain or flapping thereof caused during a transient period with valve timing controlled to be advanced or retarded, in an internal combustion engine provided with a variable valve timing mechanism. <P>SOLUTION: This tension control device includes as a component a chain tensioner 13 performing control to change pressing force pressing the timing chain 7 according to speed when a camshaft 2 is advanced or retarded with respect to a crankshaft 1. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
