Title:
エアフローメーターの故障検出装置
Document Type and Number:
Japanese Patent JP5741178
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a failure detection device for an air flow meter that can properly detect a failure of an air flow meter, in either case when ISC feedback control is performed or is not performed.SOLUTION: When the ISC feedback control is performed, engine torque is calculated from a detection value of an intake air amount of the air flow meter 3, and a failure detection of the air flow meter 3 is peformed based on a difference between the engine torque and the sum of auxiliary machine drive torque and friction torque. When the ISC feedback control is not performed, the failure detection of the air flow meter 3 is performed based on a deviation between an actual engine speed and a target engine speed of an internal combustion engine.
Inventors:
Naoya Matsunaga
Application Number:
JP2011094082A
Publication Date:
July 01, 2015
Filing Date:
April 20, 2011
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D45/00; F02D41/16; F02D41/18
Domestic Patent References:
| JP2003328826A | ||||
| JP2010052460A | ||||
| JP2005120886A | ||||
| JP2004263647A | ||||
| JP9119337A | ||||
| JP2291448A | ||||
| JP2006257939A | ||||
| JP2010242705A | ||||
| JP2010261354A | ||||
| JP9158776A | ||||
| JP9203350A | ||||
| JP2007239471A |
Foreign References:
| US5741964 | ||||
| EP0791736A1 | ||||
| US5384707 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda
Previous Patent: Ｃａ含有α型サイアロン蛍光体およびその製造方法
Next Patent: CONTROLLER FOR CLAMPING TORQUE OF POWER TYPE WRENCH
Next Patent: CONTROLLER FOR CLAMPING TORQUE OF POWER TYPE WRENCH