Patent 9381910 was granted and assigned to Daimler AG on July, 2016 by the United States Patent and Trademark Office.
When a vehicle is to be started solely by a motor immediately after an engine is started or the shift position has been changed from N range to D range, a delay time for delaying pre-charge of first and second clutches is set in accordance with operating oil temperature. The pre-charge is executed after a lapse of the delay time.