| 摘要 |
A fuel pump for supplying diesel fuel to an engine includes a pump housing, a motor mounted within the housing, a shaft extending from the motor, an impeller slidably attached to the shaft which has a prime number of vanes spaced unevenly about its circumference, a chamber body, and a chamber cover with a bleed orifice. The chamber body and cover form a chamber for the impeller and are held together by the housing. The chamber body and cover have pump channels of constant depth and are made of phenolic with fiberglass fill. The impeller is made of phenolic with fiberglass fill and granular fill.
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