| 摘要 |
An oil feeding device of a variable valve lift system is provided to rotate a flow pipe on an oil flow channel in accordance with a rotation signal of a crank shaft and open an oil feeding port to the hydraulic lift adjuster for each cylinder. An oil feeding device of a variable valve lift system includes a flow pipe(21), an oil feeding block(23), a driving motor(25), and a crank shaft rotation sensor(27). The flow pipe is arranged on an oil flow channel(11 or 13) on a cylinder head(20) such that the flow pipe is rotatable. The flow pipe has slots(H1,H2,H3) having sizes decreasing in correspondence to oil feeding ports of each cylinder. The flow pipe has one end with an oil hole(29). The oil feeding block feeds oil into the flow pipe. The driving motor is connected to one end of the flow pipe, and transmits power to the flow pipe through a gear unit in accordance with the control signal output from a controller(30). The crank shaft sensor senses rotation of the crank shaft of an engine, and outputs a signal to the controller. |
