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(11) | EP 0 055 083 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Fuel injection pump |
(57) An electromagnetically actuated fuel injection pump has a primary plunger (12) operated
by a solenoid (10), and a booster plunger (14) actuated by fuel pressure to supplement
the force of the solenoid (10) and thereby permit the use of a smaller solenoid. |