| 摘要 |
A fan assembly for a heat exchanger assembly associated with a vehicle having an internal combustion engine, which comprises: a hydraulic motor (20) including a drive shaft (46) mounted proximate said heat exchanger assembly (10), a fan (56) mounted on said drive shaft (46) ; a hydraulic pump (18) including a shaft (26) and an electrically operated magnetic clutch assembly (36) disposed on said shaft for driving said hydraulic pump by said internal combustion engine ; and a switch means (64) responsive to a preselect condition to assume an operative mode to activate said electrically operated magnetic clutch assembly (36). |
