Title:
ハイブリッド車両
Document Type and Number:
Japanese Patent JP5273170
Kind Code:
B2
Abstract:
A hybrid vehicle includes: a multi-cylinder internal combustion engine and an electric motor, a power source control unit that controls the engine and the motor, an air-fuel ratio control unit that controls the air-fuel ratio of exhaust gas of the engine to obtain a target air-fuel ratio, a battery that stores electric power that is supplied to the motor, a state-of-charge detection unit that detects a state-of-charge of the battery, a detection unit that detects an air-fuel ratio imbalance abnormality of the internal combustion engine and identifies an abnormal cylinder that has caused the imbalance abnormality, and a correction unit that corrects, in a case where the air-fuel ratio imbalance abnormality has been detected, a fuel injection amount of the abnormal cylinder based on a battery state-of-charge decrease amount from when the abnormality is detected to the time when a predetermined time interval is elapsed after the detection.
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Inventors:
Yasuyuki Irisawa
Application Number:
JP2011021063A
Publication Date:
August 28, 2013
Filing Date:
February 02, 2011
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F02D41/14; F02D29/02; F02D41/22; F02D45/00
Domestic Patent References:
| JP2006266240A | ||||
| JP2005030237A | ||||
| JP9203337A |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office
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