Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kazuya Kubota0
Takeshi Terada0
Noriyuki Kobayashi0
Nobuo Aoki0
Date of Patent
April 7, 2009
0Patent Application Number
110182200
Date Filed
December 21, 2004
0Patent Primary Examiner
Patent abstract
A fuel supply pump with a large fuel discharge amount and a tappet structure body, which are suitably used for an accumulated pressure-type fuel injection device that mechanically amplifies pressure, is provided. A fuel supply pump has a tappet structural body and a spring sheet, wherein a penetration portion for allowing passage of a lubricant or a fuel for lubrication therethrough by coordinating the tappet structure and the spring sheet is provided between a spring-holding chamber for holding a spring to be used for pulling up a plunger and a cam chamber for housing a cam to be used for moving the plunger up and down.
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