Title:
FAN BLADE STRUCTURE, FAN, AND FAN LIGHT
Document Type and Number:
WIPO Patent Application WO/2023/274198
Kind Code:
A1
Abstract:
A fan blade structure (100), a fan, and a fan light, which relate to the field of household appliances. The fan blade structure comprises an inner edge (110) located on the windward side, the inner edge at least partially protruding towards the leeward side, and the inner edge gradually tilting upwards an extending from the end of the fan blade structure close to the axis of rotation to the end thereof away from the axis of rotation; an outer edge (120) located on the leeward side, the outer edge protruding towards the leeward side, the outer edge gradually tilting upwards and extending from the end close the axis of rotation of the fan blade structure to the end thereof away from the axis of rotation, and the horizontal height of the outer edge being lower than the horizontal height of the inner edge; and an arc surface (130), the arc surface being connected between the inner edge and the outer edge, and the arc surface bending downwards and extending from the inner edge to the outer edge. The thickness of the fan blade structure decreases from the end close to the axis of rotation to the end away from the axis of rotation. The fan comprises a fan blade structure. The fan light comprises a fan. The described fan structure solves the problems that a fan or fan light has small wind force, has a short service life, and is noisy.
Inventors:
WANG XIAOLEI (CN)
ZHANG GUOBAO (CN)
LI SHANG (CN)
WANG YAOHAI (CN)
ZHANG GUOBAO (CN)
LI SHANG (CN)
WANG YAOHAI (CN)
Application Number:
PCT/CN2022/101772
Publication Date:
January 05, 2023
Filing Date:
June 28, 2022
Export Citation:
Assignee:
SUZHOU OPPLE LIGHTING CO LTD (CN)
OPPLE LIGHTING CO LTD (CN)
OPPLE LIGHTING CO LTD (CN)
International Classes:
F04D25/08; F04D27/00; F04D29/00; F04D29/36; F04D29/38; F04D29/64; F21V33/00
Foreign References:
| CN113266590A | 2021-08-17 | |||
| CN215672787U | 2022-01-28 | |||
| CN111997925A | 2020-11-27 | |||
| CN210196068U | 2020-03-27 | |||
| CN212296975U | 2021-01-05 | |||
| TWM604841U | 2020-12-01 | |||
| US20060042894A1 | 2006-03-02 | |||
| CN207634376U | 2018-07-20 | |||
| CN209324741U | 2019-08-30 | |||
| CN208348153U | 2019-01-08 | |||
| CN112555181A | 2021-03-26 |
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
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