Control device for hybrid vehicle and control method for hybrid vehicle
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United States of America Patent
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Sep 16, 2014
Grant Date -
Nov 10, 2011
app pub date -
Jan 14, 2009
filing date -
Jan 14, 2009
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Abstract
A control device for a hybrid vehicle causes the hybrid vehicle to travel in limp-home mode with motive power from an engine when either a motor or a battery for travel cannot be used. The engine incorporated in the hybrid vehicle includes an EGR device for recirculating part of exhaust gas to an intake system of the engine again. Even if an operation state of the engine satisfies a prescribed EGR permission condition for operating the EGR device, during the travel in limp-home mode with an abnormality detection flag being set to 1, the control device prohibits operation of the EGR device.
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