| 摘要 |
PROBLEM TO BE SOLVED: To increase the rotational speed of an internal combustion engine, decrease the size and volume thereof, and simplify the structure thereof. SOLUTION: This intake side valve train 48 comprises a second push rod 94 driven by a second cam 92, a valve side second rocker arm 97 connected to one end of the second push rod 94, swingably supported by a valve side rocker shaft 86, and connected to an intake valve 131, a first push rod 84 driven by a first cam 82, and a valve side first rocker arm 87 connected to one end of the first push rod 84, swingably supported by the valve side rocker shaft 86, and connected to the intake valve 131. Two push rods 84, 94 are generally coaxially disposed by arranging the second push rod 94 on the inside of the cylindrical first push rod 84. The intake valve 131 is forcibly opened and closed. COPYRIGHT: (C)2007,JPO&INPIT
|
