US 9,809,212 B2
Methods and system for launching a vehicle
Chen Zhang, Westland, MI (US); Rajit Johri, Canton, MI (US); Ming Lang Kuang, Canton, MI (US); Jeffrey Allen Doering, Canton, MI (US); Xiaoyong Wang, Novi, MI (US); Walter Joseph Ortmann, Saline, MI (US); Felix Nedorezov, Rochester Hills, MI (US); and Alexander O'Connor Gibson, Ann Arbor, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on Apr. 9, 2015, as Appl. No. 14/682,319.
Prior Publication US 2016/0297418 A1, Oct. 13, 2016
This patent is subject to a terminal disclaimer.
Int. Cl. B60W 10/10 (2012.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60K 6/48 (2007.10); B60W 20/00 (2016.01); B60W 30/18 (2012.01); B60W 20/19 (2016.01)
CPC B60W 10/10 (2013.01) [B60K 6/48 (2013.01); B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 20/00 (2013.01); B60W 20/19 (2016.01); B60W 30/18027 (2013.01); B60K 2006/4825 (2013.01); B60W 2540/12 (2013.01); B60W 2710/028 (2013.01); Y02T 10/6221 (2013.01); Y02T 10/6252 (2013.01); Y02T 10/6286 (2013.01); Y10S 903/93 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A driveline operating method, comprising:
accelerating a torque converter impeller to a desired speed in response to release of a brake pedal; and
maintaining a torque converter impeller speed at the desired speed in the presence of an increase in driver demand torque until a torque converter turbine speed is within a threshold speed of the torque converter impeller speed.