| 摘要 |
A fuel injection pump for internal combustion engine, of the type comprising a body, a rotary distributor mounted in the body, driven in timed relationship with the associated engine, at least one pumping member carried by the rotary distributor, an angularly movable ring surrounding the rotary distributor, means provided on the ring to move the pumping member thereby to effect injection of fuel as the rotary distributor rotates, a piston coupled to the ring and slidably mounted with respect to the body, which piston is subjected to a fluid pressure which varies with the speed of the engine, and a spring bearing on the body and arranged to oppose the movement of the piston under the action of said pressure, wherein there is a cup-shaped member interposed between the spring and the piston, a rod comprising a retaining surface for defining the end position of the cup, the rod being slidable with respect to the body, and an actuating member for defining the axial position of the rod.
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