Invention Grant
- Patent Title: Fuel control systems and methods for cold starts
- Patent Title (中): 燃油控制系统和冷启动方法
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Application No.: US14457391Application Date: 2014-08-12
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Publication No.: US09482173B2Publication Date: 2016-11-01
- Inventor: Kenneth J. Buslepp , Julian R. Verdejo , Bruce F. Hunter , Daniel G. Brennan
- Applicant: GM Global Technology Operations LLC
- 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: F02D41/26
- IPC: F02D41/26 ; F02D41/30 ; F02D35/00 ; F02D41/00 ; F02D41/06 ; F02D35/02 ; F02D41/14

Abstract:
An indicated mean effective pressure (IMEP) module determines IMEPs for combustion cycles of cylinders of an engine, respectively. A coldstart indication module indicates whether the engine is in a cold state after a startup of the engine. A fueling correction module, when the engine is in the cold state, selectively increases a fueling correction for one of the cylinders based on the IMEP of the one of the cylinders. An equivalence ratio (EQR) module selectively increases an EQR of the one of the cylinders based on the fueling correction for the one of the cylinders.
Public/Granted literature
- US20160047328A1 FUEL CONTROL SYSTEMS AND METHODS FOR COLD STARTS Public/Granted day:2016-02-18
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