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分析了斜齿齿轮泵的流量脉动与螺旋角β、齿宽ｂ等参数的关系，得出主要参数相同的斜齿齿轮泵的流量脉动小于直齿齿轮泵的结论
The relationship between the flow pulsation and helix angle β, tooth width b and other parameters of the helical gear pump is analyzed. The conclusion is drawn that the flow pulsation of the helical gear pump with the same main parameters is smaller than that of the straight tooth gear pump