Invention Grant
US07895827B2 Method and apparatus for controlling engine operation during regeneration of an exhaust aftertreatment system
有权
用于在排气后处理系统的再生期间控制发动机运转的方法和装置
- Patent Title: Method and apparatus for controlling engine operation during regeneration of an exhaust aftertreatment system
- Patent Title (中): 用于在排气后处理系统的再生期间控制发动机运转的方法和装置
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Application No.: US11536006Application Date: 2006-09-28
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Publication No.: US07895827B2Publication Date: 2011-03-01
- Inventor: Yue-Yun Wang , Ibrahim Haskara
- Applicant: Yue-Yun Wang , Ibrahim Haskara
- Applicant Address: US MI Detroit
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Current Assignee Address: US MI Detroit
- Main IPC: F01N3/00
- IPC: F01N3/00
Abstract:
There is provided a method and apparatus for controlling operation of an internal combustion engine, comprising controlling engine torque during regeneration of an exhaust aftertreatment system. This comprises controlling post-injection of fuel into a combustion chamber effective to regenerate an exhaust aftertreatment device. Main fuel injection into each combustion chamber and boost are selectively controlled effective to maintain engine output torque.
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