Title:
FAN SYSTEM, RANGE HOOD USING FAN SYSTEM, AND MOUNTING METHOD FOR RANGE HOOD
Document Type and Number:
WIPO Patent Application WO/2022/088223
Kind Code:
A1
Abstract:
Disclosed is a fan system, comprising a volute casing (21), and an impeller (22) and an electric motor (23) arranged inside the volute casing (21), wherein the volute casing (21) comprises a front cover plate (211), a rear cover plate (212) and an annular wall (213); an air inlet (215) is formed on the front cover plate (211); the air inlet (215) faces downwards when the fan system is in a mounting state; the electric motor (23) comprises an electric motor body (231) and a skirt edge (233); and the skirt edge (233) is connected and fixed to the rear cover plate (212) by means of a side of the rear cover plate (212) facing the air inlet (215). Further disclosed are a range hood using the fan system, and a mounting method for a flow guiding device of the range hood. Compared with the prior art, the present invention allows the electric motor to be mounted from the air inlet, such that when the draught fan system is horizontally arranged, disassembly and assembly of the electric motor can be conveniently completed.
Inventors:
LEI GAI (CN)
XU ZHINENG (CN)
SHI LEI (CN)
XU ZHINENG (CN)
SHI LEI (CN)
Application Number:
PCT/CN2020/126721
Publication Date:
May 05, 2022
Filing Date:
November 05, 2020
Export Citation:
Assignee:
NINGBO FOTILE KITCHEN WARE CO (CN)
International Classes:
F04D25/08; F24C15/20; F04D29/60
Foreign References:
| CN110594805A | 2019-12-20 | |||
| CN102174941A | 2011-09-07 | |||
| CN104501244A | 2015-04-08 | |||
| CN110186082A | 2019-08-30 | |||
| CN111435003A | 2020-07-21 | |||
| US20160177957A1 | 2016-06-23 |
Attorney, Agent or Firm:
NINGBO CHANNEL PATENT ATTORNEYS OFFICE (CN)
Download PDF:
Previous Patent: PARALLEL-CONNECTED DOUBLE-FAN SYSTEM, AND RANGE HOOD APPLYING SAME
Next Patent: EFFICIENT SLUDGE DISCHARGE SYSTEM FOR SEWAGE TREATMENT
Next Patent: EFFICIENT SLUDGE DISCHARGE SYSTEM FOR SEWAGE TREATMENT