Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koichi Hoshi0
Takashi Watanabe0
Yoshihisa Shinoda0
Date of Patent
June 16, 2015
0Patent Application Number
134984940
Date Filed
March 12, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A control device for an internal combustion engine is mounted on a vehicle, and includes an engine, a catalyst and a control unit. The engine is a bifuel engine using gas fuel and liquid fuel as its fuel source. The control unit makes an air fuel ratio rich and increases a proportion of the gas fuel if a temperature of the catalyst is higher than a predetermined upper limit value at a time when the liquid fuel is used.
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