Invention Grant
US4594989A Fuel injection pump 失效
燃油喷射泵

Fuel injection pump
Abstract:
A fuel injection pump is provided with an injection start adjustor, in accordance with which an injection adjusting piston is loaded by a pump number of revolutions-dependent fuel pressure of a feed pump against a spring force provided by two pressure springs, of which a first stronger spring in the region of lower number of revolutions acts against a second weaker spring and from a predetermined adjusting path and higher number of revolutions it acts alone.
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