发明公开
EP1247959A3 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type
审中-公开
Kolbenregelungsgetriebefüreine Brennkraftmaschine mit variablemVerdichtungsverhältnis
- 专利标题： Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type
- 专利标题（中）： Kolbenregelungsgetriebefüreine Brennkraftmaschine mit variablemVerdichtungsverhältnis
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申请号： EP02005860.8申请日： 2002-03-14
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公开(公告)号： EP1247959A3公开(公告)日： 2003-06-04
- 发明人: Moteki, Katsuya , Aoyama, Shunichi , Ushijima, Kenshi , Hiyoshi, Ryosuke
- 申请人： NISSAN MOTOR COMPANY, LIMITED
- 申请人地址： 2, Takara-cho, Kanagawa-ku Yokohama-shi, Kanagawa 221-0023 JP
- 专利权人： NISSAN MOTOR COMPANY, LIMITED
- 当前专利权人： NISSAN MOTOR COMPANY, LIMITED
- 当前专利权人地址： 2, Takara-cho, Kanagawa-ku Yokohama-shi, Kanagawa 221-0023 JP
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权： JP2001091742 20010328
- 主分类号： F02B75/04
- IPC分类号： F02B75/04
摘要：
In an internal combustion engine of variable compression ratio type, a piston control mechanism is employed which comprises a lower link rotatably disposed on a crank pin of a crankshaft of the engine, an upper link having one end pivotally connected to the lower link and the other end pivotally connected to a piston of the engine, a control link having one end pivotally connected to the lower link; and a position changing mechanism which changes a supporting axis about which the other end of the control link turns. When the piston comes up to a top dead center, a compression load is applied to the control link in an axial direction of the control link in accordance with an upward inertial load of the piston.
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