发明名称 |
Variable-pitch propeller or fan. |
摘要 |
<p>A variable-pitch propeller or fan comprises a hollow boss, a number of propeller blades fitted rotatably on the boss, and also an adjusting element which is axially slidable in the boss and has a number of grooves running essentially at right angles to the direction of sliding, each propeller or fan blade having a control pin which is placed eccentrically relative to its rotary shaft and is slidingly accommodated in a groove of the adjusting element. In order to increase the range of adjustment each groove comprises an essentially straight part and also a second part connecting to the straight part and forming an angle with the essentially straight part. <IMAGE></p> |
申请公布号 |
EP0595420(A1) |
申请公布日期 |
1994.05.04 |
申请号 |
EP19930202980 |
申请日期 |
1993.10.25 |
申请人 |
LANGENBERG, KLAAS HENDRIK |
发明人 |
LANGENBERG, KLAAS HENDRIK |
分类号 |
B63H3/04;(IPC1-7):B63H3/04 |
主分类号 |
B63H3/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|