The fan is usually mounted on an extension of the water pump shaft and is driven by V-belt from a pulley mounted on the front end of the cramshaft.
风扇常常装在水泵轴的伸出物上，由安装在曲轴前段的滑轮上的v带驱动。
3
The new scheme is put forward to design magnetic pulley with large torsional moment by means of planar contact between end-cover and added flange fixed axially by stud bolt.