Title:
FAN FOR REDUCING HIGH-FREQUENCY NOISE AND SECURING PRODUCTIVITY
Document Type and Number:
WIPO Patent Application WO/2023/128278
Kind Code:
A1
Abstract:
The present invention relates to a fan capable of preventing degradation in productivity while reducing high-frequency noise generated during the operation of the fan, the fan comprising: a fan hub having one open side; a rotor inserted and bolted in the fan hub; and a damping portion which is disposed between the inner surface of the fan hub and the outer surface of the rotor and reduces vibration and high-frequency noise during operation by coming into contact with the fan hub and the rotor.
Inventors:
PARK CHEOLUN (KR)
KIM JUN HO (KR)
MIN OK RYUL (KR)
AHN DALHYUN (KR)
CHOI MOON-SEOK (KR)
KIM JUN HO (KR)
MIN OK RYUL (KR)
AHN DALHYUN (KR)
CHOI MOON-SEOK (KR)
Application Number:
PCT/KR2022/018291
Publication Date:
July 06, 2023
Filing Date:
November 18, 2022
Export Citation:
Assignee:
HANON SYSTEMS (KR)
International Classes:
F04D25/08; F04D25/06; F04D29/32; F04D29/38; F04D29/66
Foreign References:
| KR20120022928A | 2012-03-12 | |||
| US20060022529A1 | 2006-02-02 | |||
| KR20120136537A | 2012-12-20 | |||
| US20170047812A1 | 2017-02-16 | |||
| KR20040029068A | 2004-04-03 |
Attorney, Agent or Firm:
PLUS INTERNATIONAL IP LAW FIRM (KR)
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