| 摘要 |
PROBLEM TO BE SOLVED: To make uniform a flow of air in a storage by providing a separation ring having a taper surface at a step of each blade to make uniform the suction of air from the whole suction opening of a radial fan. SOLUTION: This radial fan includes: a separation ring (21) provided on a step (4d) of each blade (4) held by a ring disc (6) and a support disc (1); and the taper surface (20) formed at the separation ring (21), wherein the suction of air (25) from the whole suction opening (6a) of the ring disc (6) is made uniform. COPYRIGHT: (C)2009,JPO&INPIT
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