| 摘要 |
A fan has a casing (1) having walls defining a flow duct which accommodates a multiple-disc rotor (1) mounted for rotation about the axis (3) thereof. The flow duct also accommodates baffles provided on opposite sides of the rotor (1) to extend along its axis (3). According to the invention, the casing (7) is mounted for rotation about the axis (3) of the rotor (1). The fan is useful for controlling air-exchange in living space or industrial production space.
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