| 摘要 |
When a flywheel rotates and a first magnet comes close to and opposes a fuel pump, a plunger is moved toward a partition wall of a pump chamber against an urging force of a spring by a magnetic repulsive force generated between the first magnet and a second magnet in the fuel pump. When the first magnet separates from the fuel pump, the plunger is moved and returned toward a protective cover by the urging force of the spring. As a result, the plunger in the fuel pump reciprocates with rotation of the flywheel, and the capacity of the pump chamber increases and decreases, so that fuel is sucked and discharged.
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