| 摘要 |
A drier unit comprising a housing with an air inlet and an air outlet, a flow duct through the housing linking the air inlet to the air outlet; a fan disposed in the flow duct so as to displace air along the duct from the inlet to the outlet characterised in that the air outlet includes more than one outlet aperture, each aperture being directed to provide for the passage of air into a drying region adjacent the housing, air flow from one aperture being caused to interact with air flow from another aperture to generate swirling of air in the drying region. The invention further envisages means providing for air flow through the apertures to be coupled so that in the event of one or some of the apertures being blocked flow through the remaining unblocked aperture or apertures is increased.
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