| 发明名称 |
CENTRIFUGAL FAN |
| 摘要 |
A centrifugal fan includes: a casing including an upper casing, a lower casing, and struts disposed between the upper casing and the lower casing; and an impeller that is provided in the casing, the impeller having an annular shroud, a plurality of blades, and a main plate, wherein the main plate of the impeller has an inclined surface between an inner circumference side and an outer circumference side of the impeller, and wherein the inner circumference side of the impeller is located at an upward position in an axial direction of the impeller, and the outer circumference side of the impeller is located at an downward position in the axial direction of the impeller. |
| 申请公布号 |
US2017030378(A1) |
申请公布日期 |
2017.02.02 |
| 申请号 |
US201615220543 |
申请日期 |
2016.07.27 |
| 申请人 |
MINEBEA CO., LTD. |
发明人 |
FUJIMOTO Seiya;NARA Kiyohisa;SEKI Tetsuya |
| 分类号 |
F04D29/66;F04D29/42;F04D29/28;F04D25/06;F04D29/16 |
主分类号 |
F04D29/66 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A centrifugal fan comprising:
a casing including an upper casing, a lower casing, and struts disposed between the upper casing and the lower casing; and an impeller that is provided in the casing, the impeller having an annular shroud, a plurality of blades, and a main plate, wherein the main plate of the impeller has an inclined surface between an inner circumference side and an outer circumference side of the impeller, and wherein the inner circumference side of the impeller is located at an upward position in an axial direction of the impeller, and the outer circumference side of the impeller is located at an downward position in the axial direction of the impeller. |
| 地址 |
Kitasaku-gun JP |
