发明名称 |
Sheet metal fan |
摘要 |
A sheet metal fan blade of improved performance and efficiency has a varying camber angle and chord angle along radial positions of the blade, such that the angle of attack along at least 70% of the length of the blade is not less than 2 DEG or more than 10 DEG . The fan blade construction exhibits utility in an automotive radiator cooling system.
|
申请公布号 |
US4120609(A) |
申请公布日期 |
1978.10.17 |
申请号 |
US19760695818 |
申请日期 |
1976.06.14 |
申请人 |
WALLACE MURRAY CORPORATION |
发明人 |
CHOU, CHENG-CHIEN;YEE, CLIFFORD SAU LEONG |
分类号 |
F04D29/38;(IPC1-7):F04D29/38 |
主分类号 |
F04D29/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|