| 摘要 |
<p>A pump/injector for supplying fuel to a compression ignition engine includes a fluid pressure controlled spill valve (23) in the housing (10) which carries the injection nozzle (11) and the engine cam operated pumping plunger (16). The spill valve includes a piston (27) slidable in a cylinder and movable to one end of the cylinder to prevent spillage of fuel by fluid pressure in the other end of the cylinder. The fluid pressure in the other end of the cylinder is controlled by an externally mounted control valve (33).</p> |
