Title:
FILTER SILENCER AND AIR-CONDITIONING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/139490
Kind Code:
A1
Abstract:
Provided is a filter silencer (100). The filter silencer comprising a first cylinder (10), a second cylinder (20), and a filter screen (30) installed between the first cylinder (10) and the second cylinder (20). The filter screen (30) comprises a screen body (31) and a prefabricated outer flanging (32) connected to the screen body (31), wherein the prefabricated outer flanging (32) is formed by extending outwards from the end of the screen body (31); a flanging angle of the prefabricated outer flanging (32) is greater than 90°; the filter screen (30) is sheathed on an end part of the second cylinder (20) by means of the prefabricated outer flanging (32); and the first cylinder (10) is sheathed on the filter screen (30).
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Inventors:
WANG WENJIE (CN)
SHAN YUKUAN (CN)
JIN YE (CN)
SHAN YUKUAN (CN)
JIN YE (CN)
Application Number:
PCT/CN2020/136110
Publication Date:
July 15, 2021
Filing Date:
December 14, 2020
Export Citation:
Assignee:
ZHEJIANG DUNAN ARTIFICIAL ENV CO LTD (CN)
International Classes:
F24F13/28; F24F13/24; F25B43/00
Foreign References:
| CN108731317A | 2018-11-02 | |||
| CN102778016A | 2012-11-14 | |||
| CN203837228U | 2014-09-17 | |||
| CN206281260U | 2017-06-27 | |||
| CN104889567A | 2015-09-09 | |||
| CN110630832A | 2019-12-31 | |||
| CN105299976A | 2016-02-03 | |||
| JPH02140571A | 1990-05-30 | |||
| US5551253A | 1996-09-03 | |||
| KR20060081840A | 2006-07-13 |
Attorney, Agent or Firm:
HANGZHOU HUAJIN LIANZHE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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