| 摘要 |
The invention provides a ventilator blade ( 1 ) with a loading edge ( 2 ) curved in the shape of an S in the blade sheet plane; and an outside edge ( 4 ) that is shorter than the leading edge, in which the center of the outside edge ( 4 ) lies in the vicinity of the rotation axis (x) of the ventilator blade ( 1 ), as well as a ventilator ( 9 ) that uses at least one ventilator blade ( 1 ) according to the invention.
|
