| 摘要 |
<p>A fuel injection pump plunger (1) which enables the timing of the fuel injection to be controlled in accordance with the engine load, and can be used to prevent the emission of exhaust smoke and to achieve quieter engine operation, and under full-load conditions enables the engine to regain speed rapidly, comprising a plunger head (2) provided with a sloping lower lead (8), a longitudinal groove (7) which connects the lower lead (8) to the plunger chamber (4), an upper lead (9) sloping down from the upper face (1A) of the plunger (1) and an orifice (10) constituted by a cut portion which extends between the end of the upper lead (9) and the plunger chamber (4). <IMAGE></p> |
