| 摘要 |
<p>In a vehicle heat-exchange module in which a fan unit (4) is provided at the downstream side of a rectangular heat exchanger, and the fan unit (4) is provided with a shroud (5) having a bell-mouth (9) and an annular opening (10), a propeller fan (8) that is disposed in the annular opening (10), and a fan motor that rotationally drives the propeller fan (8), the fan unit (4) is a unit having a single-fan configuration in which motor input power is at a predetermined level or less, and the propeller fan (8) is provided with two sets of winglets (26 and 27) that are respectively constructed upright, with a prescribed gap therebetween in the radial direction, along the circumferential direction on both a pressure surface and a suction surface of the root side of the blades (16).</p> |
