Invention Grant
- Patent Title: System and method for diagnosing an exhaust gas sensor
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Application No.: US18168301Application Date: 2023-02-13
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Publication No.: US12169155B2Publication Date: 2024-12-17
- Inventor: Andrew Bagnasco , Jose Francisco Martinez Leyva , Tyler DeWine , Hassene Jammoussi , Adam Krach , Gladys Galicia
- Applicant: Ford Global Technologies, LLC
- Applicant Address: US MI Dearborn
- Assignee: Ford Global Technologies, LLC
- Current Assignee: Ford Global Technologies, LLC
- Current Assignee Address: US MI Dearborn
- Agency: McCoy Russell LLP
- Agent Vincent Mastrogiacomo
- Main IPC: G01M15/10
- IPC: G01M15/10 ; F02D21/04 ; F02D21/08 ; F02D35/00 ; F02D41/14

Abstract:
A method and system for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one example, the method determines an estimate of an exhaust gas oxygen sensor time constant according to a comparison of air/fuel ratios and a system time constant.
Public/Granted literature
- US20240272038A1 SYSTEM AND METHOD FOR DIAGNOSING AN EXHAUST GAS SENSOR Public/Granted day:2024-08-15
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