FIELD: mechanical engineering; engine fuel systems. SUBSTANCE: delivery valve of fuel injection pump has housing accommodating spring-loaded mushroom-head valve installed for axial displacement and plate with throttling hole installed for displacement between ring seat and limiter located in delivery valve union. Spring-loaded check valve is additionally installed between valve and plate, with plate serving as seat of this valve. EFFECT: prevention of pre-injection of fuel increased injection pressure owing to building of residual pressure levels. 4 dwg
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