The Universal Selection Source: Plastics & Elastomers

Patent

AXIAL FLOW FAN WITH UNEVENLY DISTRIBUTED BLADES AND WITH A BALANCING PROTRUSION MOULDED IN THE HUB


Application Date:
Mar 15, 2017
EPO Patent:
EP 3141762 A1
Abstract:

A blower fan preventing noise generated from blades and a peripheral interference object is provided. The blower fan includes a cylindrical hub (110), a plurality of blades (120a, 120b, 120c) disposed to be spaced a...

Inventors:
CHO, Namjoon
YANG, Dongkeun
WOO, Hyoungsuk
International Classification:
F04D 29/66 20060101AFI20170201BHEP

Claims

What is claimed is:

A blower fan comprising: a cylindrical hub (110);a plurality of blades (120a, 120b, 120c) disposed to be spaced apart an asymmetric distance from one another about the hub (110); anda balancer (130) connected to the hub (110) to balance the blades (120a, 120b, 120c).

Description

BACKGROUND

The present invention relates to a blower fan, more particularly to, a blower fan preventing noise generated between blades and a peripheral interference object, and further to a home appliance using such blower fan.

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