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Control device for hybrid vehicle

  • US 9,306,477 B2
  • Filed: 03/07/2014
  • Issued: 04/05/2016
  • Est. Priority Date: 03/08/2013
  • Status: Active Grant
First Claim
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1. A control device for a hybrid vehicle, comprising:

  • an engine included in the vehicle;

    a detection unit that detects an exhaust constituent of the engine;

    a motor generator that is driven by the engine to generate electric power, while driving the engine using electric power supplied from a driving battery included in the vehicle;

    a driving motor that drives drive wheels using the electric power supplied from the driving battery;

    a motoring performing unit that stops fuel supply to the engine and forcedly drives the engine using the motor generator to perform motoring;

    a failure determination unit that performs failure determination of the detection unit based on a detection value that is detected by the detection unit while the motoring is performed with the fuel supply stopped; and

    a throttle valve control unit that forcedly opens a throttle valve that controls an intake flow rate of the engine during performance of the motoring, whereinthe motoring performing unit continues the motoring until the failure determination is completed.

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