- 专利标题: Methods and systems for exhaust gas recirculation system diagnostics
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申请号: US16865939申请日: 2020-05-04
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公开(公告)号: US11215532B2公开(公告)日: 2022-01-04
- 发明人: Sumanth Reddy Dadam , Robert Roy Jentz , Herbert Thomas Meissner
- 申请人: Ford Global Technologies, LLC
- 申请人地址: US MI Dearborn
- 专利权人: Ford Global Technologies, LLC
- 当前专利权人: Ford Global Technologies, LLC
- 当前专利权人地址: US MI Dearborn
- 代理机构: McCoy Russell LLP
- 代理商 Geoffrey Brumbaugh
- 主分类号: G01M15/10
- IPC分类号: G01M15/10 ; F02M26/49 ; F02M26/52 ; F02D41/00 ; F02P5/14 ; F02D41/30 ; F02M26/47
摘要:
Methods and systems are provided for an EGR system reverse hose diagnostic. In one example, a method includes executing the reverse hose diagnostic in response to an EGR flowrate exceeding a threshold flow rate.
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