Patent ID: 9062641
Filing Date: 2015-06-23
Classification: F02M,Y10T

Abstract:
1. A plug assembly for a high-pressure valve forming part of a common rail injection circuit of an internal combustion engine, the valve being of the type with a tubular body extending along a longitudinal axis and in which, under the action of a piloted actuator, a needle moves longitudinally between a closed position and an open position, the plug assembly comprising: a plug having a flat part able to be fixed onto the tubular body transversally to the longitudinal axis, and a spring applying a force to the needle to bias the needle axially towards the closed position, wherein the spring is fixed to the plug forming with it an integrated assembly, and wherein the plug includes an annular protuberance which extends axially from the flat part so as to form a bearing for guiding the needle longitudinally, the spring being fixed onto the annular protuberance.