| 摘要 |
The invention relates to a fan, particularly for a heating or air-conditioning installation of motor vehicles. The fan includes a casing 10, provided with at least one axial intake opening 11, 12 in which is located a flywheel 13 including a ring of blades 18 supported by spokes 17; the extreme zone pointing towards the intake opening 11, 12, of the blades 18 of the fan is provided on its perimeter with an overlap 19, 20 which extends, in an axial direction, over at least 10% of the axial length of the blades 18 of the fan. <IMAGE>
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