发明名称 |
HOLLOW PROFILE BLADE AND CENTRIFUGAL FAN IMPELLER |
摘要 |
The invention relates to the blades of a fan wheel. The invention particularly relates to a hollow profiled blade for a fan wheel. A hollow profiled blade according to the invention for a fan wheel is made from a planar semi-finished product and has a leading edge and a trailing edge as well as a compression side and a suction side. A hollow area is formed in the interior of the hollow profiled blade whereby the part of the planar semi-finished product forming the one side of the hollow profiled blade extends over the part of the planar semi-finished product forming the other side of the hollow profiled blade. |
申请公布号 |
EP2940313(A3) |
申请公布日期 |
2016.03.23 |
申请号 |
EP20150165146 |
申请日期 |
2015.04.27 |
申请人 |
EBM-PAPST MULFINGEN GMBH & CO. KG |
发明人 |
BAER, MARTIN;GEBERT, DANIEL;STREHLE, MICHAEL |
分类号 |
F04D29/28;B21D51/06;B21D53/78;B23P15/02;B23P15/04;F04D17/16;F04D29/30;F04D29/38;F04D29/62 |
主分类号 |
F04D29/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|