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3几种非典型结构的活塞泵简介3.1带预滤器(滤杯)的活塞泵带预滤器活塞泵的结构及其工作过程如图5所示。在进油阀2下有预滤器4,燃油经沉淀水分并滤掉较大机械杂质后再进入活塞泵,用以保护活塞泵并减轻滤清器污染。
3 Introduction to Several Atypical Piston Pumps 3.1 Piston Pump with Pre-Filter (Filter Cup) The structure of the pre-filter piston pump and its working process are shown in Fig.5. Under the inlet valve 2 prefilter 4, the fuel precipitated water and filtered out large mechanical impurities before entering the piston pump to protect the piston pump and reduce filter pollution.