建立了一种排气再循环变egr率控制系统。
An electronic controlled system with variable EGR ratio is built.
本发明涉及一种热排气再循环控制氢内燃机排放的装置。
The invention relates to a device for controlling hydrogen discharged by an internal combustion engine by thermal exhaust recirculation.
另外，由于采用外部排气再循环，从而实现了低nox的排放。
In addition, low NOX exhausting is realized by recirculation of external exhausting.
随着EGR比率的增加，NOX排放大幅度降低，下降幅度达90%以上，而HC排放和燃油消耗率都随着上升，但排气再循环对CO排放的影响不是很大。
With the increasing of EGR ratio, NOX emission decreased more than 90%, at the same time, HC emission and fuel consumption increased, but EGR has little impact on co emission.
推荐可变压缩比（VCR）方案、可变废气再循环率（EGR）方案、可变排气门关闭时刻方案，以及废气再循环滚流分层充气方案等。
Schemes of variable compression ratio (VCR), variable exhaust gas recirculation (EGR), variable exhaust valve timing, and EGR with stratification by tumble charge flow are recommended.
阐述了降低排放的关键技术，包括缸内控制、废气再循环、可变涡轮增压、4气阀、共轨和排气后处理技术。
The key technologies to lower the exhaust emission, included the in-cylinder control, exhaust gas recirculation, variable geometry turbo, 4-valve, common rail and after-treatment are presented.
提出了采用单向阀利用进排气压力波动的废气再循环(EGR)系统。
A check valve exhaust gas recirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.
该方法用于确定和调节再循环到发动机中的排气的质量流量。
The method of determining and regulating a mass flow rate exhaust gases recirculated into an engine is disclosed.
该方法用于确定和调节再循环到发动机中的排气的质量流量。
The method of determining and regulating a mass flow rate exhaust gases recirculated into an engine is disclosed.
应用推荐