The engine fan is usually mounted on the water pump shaft and is driven by the same belt that drives the pump and the generator.
发动机风扇通常安装在水泵轴上，由驱动水泵和发电机的同一条皮带驱动。
However, when the pump reaches higher speeds the cracks expand due to centrifugal force and the vane slips on the water pump shaft.
但是，如果水阀滑动较快，裂纹由于离心力会变宽，泵片会从水阀主轴上脱落。
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。
Pump shaft seals use mechanical seal, pump top and bottom, respectively, equipped with water injection plug and the drain plug.
泵的轴封采用机械密封，泵体顶部和底部分别装有注水、放泄的螺塞。
When pumping water, the head, shaft power and efficiency of the pump decrease with the reducing in impeller diameter.
输送水时，叶轮切割后，泵的扬程、轴功率、效率都下降。
If the transport of liquid viscosity and density difference between the larger and water, shall account for the pump parameters: flow, pressure head and shaft power.
若被输送液体的粘度和密度与水相差较大时，应核算泵的特性参数：流量、压头和轴功率。
The results show that for the common pump control methods, the third power relation between the pump rotate speed(water volume) ratio and the shaft power ratio is not true;
分析结果表明，对于常用的水系统控制方式而言，水泵转速（流量）比与轴功率比的三次幂关系不成立；
Main failure modes of automobile water pump bearings are: breakage of shaft, wear and fatigue flaking of rolling contact surfaces.
水泵轴连轴承失效形式主要为：心轴断裂，心轴滚动表面、外圈沟(滚)道表面、滚动体表面的磨损和疲劳剥落及密封失效。
The pump can start water drainage task once the motor connected with the shaft coupling is started up.
启动与联轴器相接的电动机，水泵运转即可进行排水作业。
The pump can start water drainage task once the motor connected with the shaft coupling is started up.
启动与联轴器相接的电动机，水泵运转即可进行排水作业。
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