Invention Grant
- Patent Title: Method and systems for exhaust gas recirculation valve diagnosis based on crankcase pressure
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Application No.: US14540548Application Date: 2014-11-13
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Publication No.: US09612174B2Publication Date: 2017-04-04
- Inventor: Eric David Peters , Nicholas Eric Hansen
- Applicant: General Electric Company
- Applicant Address: US NY Schenectady
- Assignee: General Electric Corporation
- Current Assignee: General Electric Corporation
- Current Assignee Address: US NY Schenectady
- Agency: Global Patent Operation
- Agent John A. Kramer
- Main IPC: G01L11/04
- IPC: G01L11/04 ; F02D41/22 ; G01M15/08 ; F02M26/49 ; F02M26/52 ; F02D41/00 ; F02M25/06 ; F02M26/10 ; F02M26/43 ; F01M13/00 ; F02M26/08 ; F02M26/23
Abstract:
Various methods and systems are provided for diagnosing an exhaust gas recirculation valve based on crankcase pressure. In one example, a method comprises indicating a condition of a valve disposed in a first exhaust passage downstream from a cylinder exhaust valve based at least in part on a crankcase pressure.
Public/Granted literature
- US20160138526A1 METHOD AND SYSTEMS FOR EXHAUST GAS RECIRCULATION VALVE DIAGNOSIS BASED ON CRANKCASE PRESSURE Public/Granted day:2016-05-19
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