发明授权
- 专利标题: Method and device for detecting leaks in the intake tract of an internal combustion engine
- 专利标题(中): 用于检测内燃机进气道泄漏的方法和装置
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申请号: US13106055申请日: 2011-05-12
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公开(公告)号: US08731850B2公开(公告)日: 2014-05-20
- 发明人: Michael Ungermann , Andreas Buse , Dieter Schwarzmann
- 申请人: Michael Ungermann , Andreas Buse , Dieter Schwarzmann
- 申请人地址: DE Stuttgart
- 专利权人: Robert Bosch GmbH
- 当前专利权人: Robert Bosch GmbH
- 当前专利权人地址: DE Stuttgart
- 代理机构: Kenyon & Kenyon LLP
- 优先权: DE102010029021 20100517
- 主分类号: G01F17/00
- IPC分类号: G01F17/00
摘要:
A method for detecting a leak in an intake tract of an internal combustion engine involves operating the engine at two operating points and comparing a deviation of measured mass flows from expected mass flows at the first and at the second operating points.
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