发明名称 |
System and method for controlling exhaust emissions and specific fuel consumption of an engine |
摘要 |
A method includes combusting air within a plurality of cylinders of an internal combustion engine by injecting a fuel into the plurality of cylinders. The method further includes expanding a first portion of an exhaust gas generated from the plurality of combustion cylinders via a turbine. The method further includes controlling at least one of feeding a second portion of the exhaust gas via an exhaust channel bypassing the turbine; and recirculating a third portion of the exhaust gas to the plurality of combustion cylinders via a recirculation channel, as a function of an intake manifold air temperature and pressure at which the engine is operated. |
申请公布号 |
US9140179(B2) |
申请公布日期 |
2015.09.22 |
申请号 |
US201213655764 |
申请日期 |
2012.10.19 |
申请人 |
General Electric Company |
发明人 |
Primus Roy James;Akinyemi Omowoleola Chukwuemeka;Lavertu Thomas Michael;Mischler James Robert;Gummadavelli Venu Gopal |
分类号 |
F02M25/07;F02B37/00;F02B37/18;F02D41/00;F02B37/013;F02B29/04 |
主分类号 |
F02M25/07 |
代理机构 |
|
代理人 |
Christian Joseph J. |
主权项 |
1. A method of controlling an internal combustion engine speed based on a selected map, comprising:
combusting air within a plurality of cylinders of an internal combustion engine by injecting a fuel into the plurality of cylinders; expanding a first portion of an exhaust gas generated from the plurality of combustion cylinders via a turbine; selecting the map among a plurality of maps, based on actual values of an intake manifold air temperature and pressure, wherein each map is representative of a data comprising the engine speed, an engine load based on actual values of an engine notch, a fuel injecting timing, an oxygen concentration in an intake air flow based on actual values of the engine speed and the engine load; controlling the engine speed based on the selected map; and controlling at least one of: feeding a second portion of the exhaust gas via an exhaust channel bypassing the turbine; and recirculating a third portion of the exhaust gas to the plurality of combustion cylinders via a recirculation channel, based on actual values of the intake manifold air temperature and pressure at which the engine is operated. |
地址 |
Niskayuna NY US |