Lock-up clutch controlling device of vehicle driving device

摘要

A vehicle driving device includes an engine (2) installed in a vehicle, a fluid coupling (4) actuated by the engine, and a friction clutch (8) disposed between the fluid coupling and a transmission (10), the fluid coupling having a lock-up clutch (50). Controlling means for controlling actuation of the lock-up clutch controls the lock-up clutch so as to be engaged during a gear change operation.