| 摘要 |
<p>A rotary distributor fuel injection pump includes a rotary distributor member 12 movable axially in a body part 10. The distributor member has a transverse bore 14 in which is mounted a pumping plunger 20. At its outer end the plunger is engaged by a cam follower including a roller 34 which is axially movable with the distributor member and which engages cam lobes formed on the internal surface of a cam ring 24 to effect inward movement to the plunger. Outward movement of the plunger is effected by supplying fuel to the bore and the extent of outward movement of the plunger is limited by stop rings 32 on the opposite sides of the cam ring. The stop rings are mounted in the body and define internal inclined surfaces 33 which are engaged by end portions 35 of the roller so that as the distributor member is moved axially the extent of outward movement of the plunger will be varied to control the amount of fuel supplied by the pump.</p> |
