To achieve air blowing reduced in unevenness in an air flow range by expanding a comfortable region of a wind receiving person and changing air flow directions of all the circumferential directions, in a ceiling line to be used for generation of a circulating air flow.
In this ceiling fan, a second impeller 7 arranged in substantially parallel with a direction of a rotary shaft of a first impeller 5 is provided, and a mounting angle in the circumferential direction in relation to a horizontal plane 8 of a vane 6 of the second impeller 7 can be changed. As a result, the ceiling fan capable of changing the air flow direction in all the circumferential directions and expanding the comfortable region of the wind receiving person without unevenness can be obtained.
| JPH02140495 | ELECTRIC BLOWER |
| WO/1999/007999 | AXIAL FAN WITH SELF-COOLED MOTOR |
KATSUMI YOSHIMASA
| JP2007198337A | 2007-08-09 | |||
| JPS2912960Y1 | ||||
| JPS59105998A | 1984-06-19 | |||
| JPS2910168Y1 |
Hiroki Naito
Daisuke Nagano
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