| 摘要 |
A variable intake valve for internal combustion engine comprising: A cam shaft, a valve with a valve head, a valve spring and a valve stem. A valve tappet is slidably extended into a sleeve guide between the cam shaft and the top of the upper end of the valve stem. The upper end of the valve stem is slidably extended into the valve tappet and a valve tappet spring is mounted on the top of the upper end of the valve stem. Also the upper end of the valve stem has a socket suitable to receive a locking pin. A locking mechanism mounted on the valve tappet comprises a locking pin controlled by a spring. The locking pin is slidably extended into the socket of the upper end of the valve stem when the locking mechanism is activated.
|
