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US 2003/0116194 A1Published application
Fuel supply pump
AssigneeBosch Automotive Systems Corporation
InventorMasayori Ishimoto
Life of this patent
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Abstract
There is provided a fuel supply pump that is capable of keeping the function of an outlet valve thereof normal over a long time period even when a low lubricity fuel is used. The fuel supply pump has an outlet valve slidably inserted in an insertion hole formed in a valve body, for opening and closing the insertion hole. The outlet valve is coated by CVD coating.
Claims8
A fuel supply pump including a valve body, and an outlet valve slidably inserted in an insertion hole formed in said valve body, for opening and closing the insertion hole,
- wherein said outlet valve is coated by CVD coating.
Dependencies are inferred from the claim text.