| 摘要 |
The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades ( 47, 48 ) extending from the latter, the fan being moulded in a plastics material on an insert ( 50 ) which is preferably of metal and which constitutes the wheel part of the fan and is arranged to provide fastening of the fan on the rotor, being configured so as to constitute a means for increasing the mechanical strenght of the fan; the insert ( 50, 65 ) includes at least a portion of a blade ( 48, 69 ) of the fan. The invention is useful in the manufacture of a high power cooling fan for a motor vehicle alternator. |
