发明名称 |
NOx Emission Control Using Large Volume EGR |
摘要 |
An EGR system is disclosed for reducing NOx emissions and that may eliminate the need for a SCR system. The disclosed EGR system includes dual valves, including a hot EGR valve disposed in the exhaust manifold and a cold EGR valve disposed upstream of the intake manifold. A VGT turbine with adjustable vanes may also be employed with a low pressure turbine. Intake air may proceed through both a high pressure compressor as well as a low pressure compressor and the high pressure compressor may be substantially bypassed by way of a bypass valve disposed between the low pressure compressor and the air intake. The EGR system may be controlled by adjusting the positions of the valves and VGT turbine vanes. |
申请公布号 |
US2014053553(A1) |
申请公布日期 |
2014.02.27 |
申请号 |
US201213594085 |
申请日期 |
2012.08.24 |
申请人 |
WOLK MATTHEW THOMAS;CATERPILLAR, INC. |
发明人 |
WOLK MATTHEW THOMAS |
分类号 |
F02B37/24;F01N3/00;F02B33/40;F02B47/08 |
主分类号 |
F02B37/24 |
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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