Invention Grant

Fuel pump
Abstract:
A fuel pump includes a first plunger that reciprocates in a first cylinder. The fuel pump further includes a first mover connected to the first plunger; a second mover that serves as a counterweight for suppressing vibration that occurs due to reciprocating movement of the first mover; an electromagnet and a magnetic member that are provided between the first mover and the second mover; a plate disposed between the first mover and the second mover; and a third spring and a fourth spring being a pair of springs sandwiching the plate between the third spring and the fourth spring, the third spring and the fourth spring having end portions connected to a housing.
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