Title:
SIROCCO FAN, BLOWING DEVICE, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/058573
Kind Code:
A1
Abstract:
The objective of the present invention is to fix a boss and a rotating shaft of a bladed wheel without cutting out part of a blade portion of the bladed wheel and without thinning out the blade portions. In this sirocco fan, a boss (31) formed in a bladed wheel (13a) is formed in such a way as to project outward from an air suction side end surface (13c) which sucks air when the bladed wheel (13a) is rotating, and a screw hole (31a) for fixing the rotating shaft (32) with a screw is formed in the projecting part of a side surface of the boss (31).
Inventors:
KAWAMURA MASAKI
Application Number:
PCT/JP2018/000442
Publication Date:
March 28, 2019
Filing Date:
January 11, 2018
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F04D29/28; F04D29/62; F24F1/00
Foreign References:
JPS568897U | 1981-01-26 | |||
JPS485848Y1 | 1973-02-14 | |||
JPH04164195A | 1992-06-09 | |||
JPH09126186A | 1997-05-13 | |||
JPS6279995U | 1987-05-22 | |||
JPS5749075Y2 | 1982-10-27 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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