发明授权
- 专利标题: Exhaust gas recirculation apparatus for an internal combustion engine
- 专利标题(中): 用于内燃机的废气再循环装置
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申请号: US781426申请日: 1977-03-25
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公开(公告)号: US4128089A公开(公告)日: 1978-12-05
- 发明人: Masatami Takimoto , Mitsuyoshi Teramura , Masahiro Urushidani
- 申请人: Masatami Takimoto , Mitsuyoshi Teramura , Masahiro Urushidani
- 申请人地址: JPX Toyota
- 专利权人: Toyota Jidosha Kogyo Kabushiki Kaisha
- 当前专利权人: Toyota Jidosha Kogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Toyota
- 优先权: JPX52-524 19770106
- 主分类号: F02D21/08
- IPC分类号: F02D21/08 ; F02D37/00 ; F02M23/08 ; F02M25/07 ; F02M25/06
摘要:
An exhaust gas recirculation apparatus for an internal combustion engine, which has a so-called EGR (Exhaust Gas Recirculation) valve provided with a vacuum actuator for controlling the amount of exhaust gas to be recirculated. An air introducing pipe is opened to the intake system for introducing an extra amount of air into the engine. An air control valve is provided on the air introducing pipe for stopping this introduction of the extra amount of air into the engine so that a rich air-fuel mixture can be supplied into the engine when the engine is beginning to accelerate from a low rotational speed. The vacuum actuator of the EGR valve is connected to this air introducing pipe, in order to carry out an EGR operation when a rich combustible mixture is supplied to the engine.
公开/授权文献
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