| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a detent structure of a tappet in a fuel system, capable of reducing the number of components, the number of processing of components and the management items in an assembling process. SOLUTION: In the fuel system comprising a casing provided with a fuel suction passage, a fuel discharge passage and a cylindrical storage recessed part, a sleeve having a circular cylinder part and a flange-shaped fixing part formed on one end of the circular cylinder part, and mounted in a state of abutting one end of a fixing part side, on a bottom part of the storage recessed part, a piston reciprocatably mounted in the circular cylinder part, and forming a fuel pressure chamber, a tappet mounted at a side opposite to the fuel pressure chamber of the piston, including a roller driven by the rotation of a cam of an engine, and a roller supporting pin rotatably supporting the roller, and transmitting the cam force to the piston, and a bracket fixed to the casing and accommodating the tappet, the bracket is provided with a groove part on its inner face to fit an end part of the roller supporting pin.</p> |
