Invention Grant
- Patent Title: Post oxygen sensor performance diagnostic with minimum air flow
- Patent Title (中): 后氧传感器性能诊断与最小的气流
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Application No.: US12414993Application Date: 2009-03-31
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Publication No.: US08086392B2Publication Date: 2011-12-27
- Inventor: Igor Anilovich , Jeffry A. Helmick , Richard B. Jess , John W. Siekkinen , Christopher E. Whitney , Robert C. Simon, Jr.
- Applicant: Igor Anilovich , Jeffry A. Helmick , Richard B. Jess , John W. Siekkinen , Christopher E. Whitney , Robert C. Simon, Jr.
- Assignee: GM Global Technology Operations LLC
- Current Assignee: GM Global Technology Operations LLC
- Main IPC: G01M15/10
- IPC: G01M15/10
Abstract:
An engine control system includes an oxygen (O2) sensor diagnostic module that diagnoses an O2 sensor and requests a minimum air per cylinder (APC). A throttle actuator module controls a throttle to adjust a mass air flow based on the minimum APC.
Public/Granted literature
- US20100242933A1 POST OXYGEN SENSOR PERFORMANCE DIAGNOSTIC WITH MINIMUM AIR FLOW Public/Granted day:2010-09-30
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