发明名称 |
Fuel injection valve |
摘要 |
The fuel injection valve according to the present invention is a fuel injection valve adapted to inject a swirl flow of a high-pressure fuel from an injection port thereof. The injection port includes a fuel inlet portion and a fuel outlet portion. The fuel inlet portion has a cylindrical bore. In the fuel outlet portion, a circumference of an inlet thereof is joined to that of an outlet of the cylindrical bore, and the fuel outlet portion has a cross-sectionally elliptic chamfered part diverging from the inlet thereof to the outlet thereof. A depth of the chamfered part is set ¼ to 2 times as large as a diameter of the fuel inlet portion.
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申请公布号 |
US6578778(B2) |
申请公布日期 |
2003.06.17 |
申请号 |
US20010758319 |
申请日期 |
2001.01.12 |
申请人 |
AISAN KOGYO KABUSHIKI KAISHA;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
KOIZUMI MASAHIRO;TAKAKU YASUNORI;TAKEDA KEISO;KOSEKI YUKIO;SUGIMOTO TOMOJIRO |
分类号 |
F02B75/12;F02M51/06;F02M61/04;F02M61/16;F02M61/18;(IPC1-7):F02M61/00;B05B1/00 |
主分类号 |
F02B75/12 |
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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