Title:
AIR FLOW DEVICE AND HANDHELD HAIR DRYER
Document Type and Number:
WIPO Patent Application WO/2024/032375
Kind Code:
A1
Abstract:
An air flow device and a handheld hair dryer. The air flow device comprises: a holding portion (150) for a user to hold; a pipe assembly (260) capable of allowing air to pass through; fan blades (252) capable of rotating about the axis of a fan; a motor (230) used for driving a fan assembly to rotate; and a guide vane (282) used for guiding the flow direction of air. The inner diameter of the pipe assembly (260) is greater than or equal to 90 mm; the flow rate of the air flow device is greater than or equal to 1000 CFM; and the maximum rotational speed of the motor (230) is less than 35,000 rpm. The air flow device reduces the vibration and noise, and improves the use experience of users.
Inventors:
GUO JIANPENG (CN)
ZHANG RUI (CN)
LI JINGWEI (CN)
ZHAN RUI (CN)
ZHANG WENHAO (CN)
ZHANG RUI (CN)
LI JINGWEI (CN)
ZHAN RUI (CN)
ZHANG WENHAO (CN)
Application Number:
PCT/CN2023/109482
Publication Date:
February 15, 2024
Filing Date:
July 27, 2023
Export Citation:
Assignee:
NANJING CHERVON IND CO LTD (CN)
International Classes:
F04D25/08; E01H1/08; F04D29/54; F04D29/66
Foreign References:
| CN105442478A | 2016-03-30 | |||
| DE202017106572U1 | 2018-01-31 | |||
| CN106192837A | 2016-12-07 | |||
| CN106714642A | 2017-05-24 | |||
| CN104074157A | 2014-10-01 | |||
| CN215256988U | 2021-12-21 | |||
| CN113719478A | 2021-11-30 | |||
| CN106714642A | 2017-05-24 | |||
| CN205277933U | 2016-06-01 | |||
| US20180291930A1 | 2018-10-11 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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