公开(公告)号：US10161512B2

公开(公告)日：2018-12-25

申请号：US15245909

申请日：2016-08-24

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Brian M Porto ,  Jason Jousma ,  Patrick A Lewis ,  Jason M France

IPC: F16H45/02 ,  F16H61/14 ,  F16H39/42

Abstract: A transmission includes a torque converter with an impeller, a turbine, a torque converter clutch, a hydraulic torque converter clutch control circuit and a controller that commands a first pressure into the hydraulic torque converter clutch control circuit during a transition period between a torque converter clutch OFF mode to a torque converter clutch ON mode and prior to the torque converter clutch reaching capacity and a second pressure into the hydraulic torque converter clutch control circuit after the torque converter clutch reaches capacity.