| 摘要 |
The present invention relates to a fan and shroud assembly, and more specifically, to a fan and shroud assembly which is arranged by keeping a certain distance with an end part of a fan blade or an end part of a fan band along a certain area of an inner circumference of an air blowing unit, is formed by including swirl prevention saw-teeth which are formed in a saw-tooth shape, generate swirl of air blown as the amount of pressure fluctuation gets decreased by forming a first area which is an area where the swirl prevention saw-teeth are formed, and a second area which is an area where the swirl prevention saw-teeth are removed, and accordingly reduces noise effectively. |
