Patent ID: 9322343
Filing Date: 2016-04-26
CPC Classification: F01L,F02D,F02N,F16H,Y02T

Claim Text:
1. A method for automatically shutting off and starting an internal combustion engine in a motor vehicle comprising an automatic transmission or automated transmission by way of a start-stop device, wherein the method comprises: initiating, during a coasting operation phase of the internal combustion engine, an automatic shut-off process of the internal combustion engine; and initiating an automatic start process of the internal combustion engine when at least one activation command occurs, and wherein, for the automatic shut-off process of the internal combustion engine during the coasting operation phase, a gas exchange in cylinders of the internal combustion engine is at least almost completely suppressed and, at the same time, a torque converter lock-up clutch, disposed between the internal combustion engine and a transmission for power transmission purposes, is actuated so that the torque converter lock-up clutch remains or is closed at least almost completely.