Patent ID: 9598998
Date: 2017-03-21
CPC Classifications: B60W,F01N,F02B,F02D,F02M,Y02T

Claim:
1. A control apparatus for an internal combustion engine that is equipped with an exhaust gas treatment device that is provided in an exhaust passage, and a burner device that is provided in the exhaust passage upstream of the exhaust gas treatment device so as to raise a temperature of exhaust gas supplied to the exhaust gas treatment device, and an oxygen concentration sensor, the control apparatus comprising: an electronic control unit including a computer that performs calculation processes to control the engine, and a ROM and RAM for storing programs, data, and calculation results for the computer, and at least one port for inputting and outputting signals to and from the engine, the electronic control unit configured to: restrict operation of an auxiliary that is driven by the internal combustion engine in order to increase a concentration of oxygen in exhaust gas supplied to the burner device when the concentration of oxygen in exhaust gas supplied to the burner device is not higher than a predetermined required concentration of oxygen and there is a request to operate the burner device.