| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel injection pump capable of generating a flow of lubricating oil capable of removing foreign matter of a sliding part in a groove, by forming the groove in the sliding part constituted between a cam ring and a movable member. Ž<P>SOLUTION: This fuel injection pump 1 includes a housing 2 forming a sliding hole 221, the movable member 3 supported by the housing 2 so as to be reciprocatable in the sliding hole 221 and pressurizing sucked fuel, a cam 6 rotating together with a driving shaft 5, and the cam ring 7 arranged on the outer peripheral side of the cam 6, constituting the sliding part between the movable member 3 and itself and reciprocating the movable member 3 in the reciprocating direction of the movable member 3 by rotation of the cam 6, A first groove having opening both ends is arranged on one sliding surface of a movable member sliding surface 31 of the movable member 3 for constituting the sliding part and a cam ring sliding surface 70 of the cam ring 7, and a jetting hole 211 is arranged in the housing 2 for jetting the lubricating oil toward one end side of the first groove. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
|
