发明名称 |
Fuel supply pump and tappet structure body |
摘要 |
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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申请公布号 |
US7513756(B2) |
申请公布日期 |
2009.04.07 |
申请号 |
US20040018220 |
申请日期 |
2004.12.21 |
申请人 |
BOSCH AUTOMOTIVE SYSTEMS CORPORATION |
发明人 |
AOKI NOBUO;KUBOTA KAZUYA;TERADA TAKESHI;KOBAYASHI NORIYUKI |
分类号 |
F04B19/00;F01B31/10;F02M47/02;F02M57/02;F02M59/10;F02M59/36;F02M59/46;F02M63/02 |
主分类号 |
F04B19/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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