Fuel Pump
AssigneeHitachi Astemo, Ltd.
InventorsAtsuji SAITO, Satoshi USUI
Life of this patent
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Abstract
A coil component of an electromagnetic valve is made compact to achieve both low cost and improvement in sound vibration performance. Therefore, a high-pressure fuel pump of the present invention includes: a coil 3g; a magnetic core 3e that is arranged on a side opposite to a pressurizing chamber 11 with respect to a movable core 3h and attracts the movable core 3h when the coil 3g is energized; a yoke 3q arranged on a radially outer side of the coil 3g; a cover portion 3r that covers the coil 3g from an axially outer side; and a molded portion 17 that covers a radially outer side of the yoke 3q and an axially outer side of the cover portion 3r.
Claims11
A fuel pump comprising:
- a coil;
- a magnetic core that is arranged on a side opposite to a pressurizing chamber with respect to a movable core and attracts the movable core when the coil is energized;
- a yoke arranged on a radially outer side of the coil;
- a cover portion that covers the coil from an axially outer side;
- and
- a molded portion that covers a radially outer side of the yoke and an axially outer side of the cover portion.
Dependencies are inferred from the claim text.