Title:
FILTERING DEVICE, GENERATOR AND WIND TURBINE GENERATOR SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/103685
Kind Code:
A1
Abstract:
A filtering device, a generator and a wind turbine generator system. The filtering device comprises a force-bearing cover plate (10), a surrounding plate (20), a first filter screen structure (30), a second filter screen structure (40) and a filter cartridge (60); the force-bearing cover plate (10) and the surrounding plate (20) enclose an accommodation space (70) for filling the filter cartridge (60), the surrounding plate (20) forming at least a part of a side wall of the accommodation space (70); the first filter screen structure (30) is provided on an upper side of the filter cartridge (60), is located on a lower side of the force-bearing cover plate (10), and substantially covers an upper side surface of the filter cartridge (60); and the second filter screen structure (40) is provided at a lower side of the filter cartridge (60), and covers a lower side surface of the filter cartridge (60). The filtering device performs filtering at a cooling air inlet of the generator.
Inventors:
ZHAO JIANGWEI (CN)
Application Number:
PCT/CN2020/111087
Publication Date:
June 03, 2021
Filing Date:
August 25, 2020
Export Citation:
Assignee:
BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT CO LTD (CN)
International Classes:
H02K9/26; B01D46/10
Domestic Patent References:
| WO2019096360A1 | 2019-05-23 |
Foreign References:
| CN206881357U | 2018-01-16 | |||
| CN206881357U | 2018-01-16 | |||
| CN208073685U | 2018-11-09 | |||
| CN108778459A | 2018-11-09 | |||
| CN108778459A | 2018-11-09 | |||
| CN109347254A | 2019-02-15 | |||
| US8834592B1 | 2014-09-16 | |||
| US8834592B1 | 2014-09-16 | |||
| CN204099134U | 2015-01-14 | |||
| EP0350192A1 | 1990-01-10 | |||
| CN206753832U | 2017-12-15 | |||
| CN107441880A | 2017-12-08 |
Other References:
See also references of EP 4066918A4
Attorney, Agent or Firm:
LIFANG & PARTNERS (CN)
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