Invention Grant
- Patent Title: Limp-home method for safeguarding the catalyst of an internal combustion engine in case of a defective controlled grille shutter and vehicle thereof
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Application No.: US14889646Application Date: 2014-04-17
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Publication No.: US09599050B2Publication Date: 2017-03-21
- Inventor: Hitoki Sugimoto
- Applicant: Hitoki Sugimoto
- Applicant Address: JP Toyota-Shi
- Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
- Current Assignee Address: JP Toyota-Shi
- Agency: Andrews Kurth Kenyon LLP
- Priority: JP2013-099054 20130509
- International Application: PCT/IB2014/000563 WO 20140417
- International Announcement: WO2014/181159 WO 20141113
- Main IPC: F01N3/00
- IPC: F01N3/00 ; F02D41/02 ; B60K11/08 ; F02D41/22 ; F01P7/10 ; F02D41/40 ; F01P11/14 ; F01N9/00 ; F01N3/20 ; F01P3/18 ; F01P7/14 ; F02D41/30 ; F02D41/18
Abstract:
A vehicle is disclosed which includes: an engine; a catalyst purifying exhaust gas of the engine; a grille shutter adjusting an opening area of a radiator grille; and an electronic control unit configured to: (a) control an injection quantity of fuel to be supplied to the engine, (b) detect a malfunction of the grille shutter in a state where the grille shutter is closed, and (c) increase the injection quantity when the malfunction is detected in comparison to when the malfunction is not detected.
Public/Granted literature
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