遠心送風機のブレード構造 - Shinko Industry Co., Ltd.

Title:

遠心送風機のブレード構造

Document Type and Number:

Japanese Patent JP7217176

Kind Code:

B2

Abstract:

To provide a blade structure for a centrifugal blower capable of obtaining blowing efficiency or a noise reduction effect.SOLUTION: The present invention relates to a structure for a centrifugal blower in which multiple blades 3 are erected between a back plate 1 and a shroud 2 disposed at a predetermined interval. In the blade structure for the centrifugal blower, the vicinity of a front edge part in a blade rotation direction at a back plate side and a shroud side is formed in a twisted shape, and the twisted shape is bent in an outer peripheral direction in the vicinity of the back plate and the shroud in the blade. A following subsequent part of the blade is the same columnar plane, and a shape of an edge in the front edge part is formed in a bent shape of which the central part is recessed. A central part of the blade in a width direction is also formed in the same columnar plane from the front edge part to the subsequent part.SELECTED DRAWING: Figure 5

Inventors:

Ueda Kazunari
Tatsuya Hioki

Application Number:

JP2019038382A

Publication Date:

February 02, 2023

Filing Date:

March 04, 2019

Export Citation:

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