| 摘要 |
Driving assembly for a water pump of an internal combustion engine comprising a pulley (2) idly mounted with respect to a drive shaft (4) of the pump and provided with an annular ring (3) adapted to cooperate with a drive belt, and driving means (6) for selectively coupling the pulley to the shaft, in which the driving means (6) comprise coupling means (11; 41) housed inside the pulley (3) and hydraulic control means (7; 45) for controlling said coupling means (11, 45) using the engine lubricating oil as the operating fluid. |
