| 发明名称 |
AIR BLOWER AND OUTDOOR UNIT |
| 摘要 |
An air blower includes a casing having an air inlet portion and an air outlet portion, a fan, and a fan guard. The fan includes a boss portion and a plurality of blades. The fan guard includes a guide portion having a tubular outer shape, which protrudes toward the fan. A center in a distal end shape, which is defined by a contour line of a distal end portion of the guide portion, matches with a rotation axis of the boss portion. A center in a root shape, which is defined by a contour line of a root portion of the guide portion, is shifted with respect to the rotation axis of the boss portion. |
| 申请公布号 |
US2016146217(A1) |
申请公布日期 |
2016.05.26 |
| 申请号 |
US201314899384 |
申请日期 |
2013.07.05 |
| 申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
TADOKORO Takahide;KATO Yasuaki;KONO Atsushi |
| 分类号 |
F04D29/52;F04D29/70;F04D29/32;F04D19/00;F04D25/08 |
主分类号 |
F04D29/52 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An air blower, comprising:
a casing having an air inlet portion and an air outlet portion; a fan provided in the casing so as to be rotatable; and a fan guard provided at the air outlet portion of the casing, wherein: the fan comprises a boss portion, and a plurality of blades provided on an outer circumferential surface of the boss portion; the fan guard comprises a guide portion having a tubular outer shape, which protrudes toward the fan; a center in a distal end shape, which is defined by a contour line of a distal end portion of the guide portion, matches with a rotation axis of the boss portion; and a center in a root shape, which is defined by a contour line of a root portion of the guide portion, is shifted with respect to the rotation axis of the boss portion. |
| 地址 |
Tokyo JP |
