Title:
SILENCER
Document Type and Number:
WIPO Patent Application WO/2024/011964
Kind Code:
A1
Abstract:
A silencer (100), comprising: a waveguide tube (10), a sound absorption tube (20) and a reflection tube (30), the waveguide tube (10) being provided with a sound wave inlet. The sound absorption tube (20) and the reflection tube (30) are arranged in the length direction of the waveguide tube (10) and are communicated with the waveguide tube (10), the sound absorption tube (20) being arranged closer to the sound wave inlet of the waveguide tube (10) than the reflection tube (30), the reflection tube (30) and the sound absorption tube (20) being both quarter-wave tubes, and the cross-sectional area of the reflection tube (30) being greater than the cross-sectional area of the sound absorption tube (20).
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Inventors:
CHEN QIANYI (CN)
ZHANG JIABIN (CN)
JIANG JUN (CN)
ZHAO SHENGYU (CN)
CHEN XIN (CN)
CAO JILAI (CN)
ZHANG JIABIN (CN)
JIANG JUN (CN)
ZHAO SHENGYU (CN)
CHEN XIN (CN)
CAO JILAI (CN)
Application Number:
PCT/CN2023/086308
Publication Date:
January 18, 2024
Filing Date:
April 04, 2023
Export Citation:
Assignee:
HEFEI MIDEA REFRIGERATOR CO (CN)
HEFEI HUALING CO LTD (CN)
MIDEA GROUP CO LTD (CN)
HEFEI HUALING CO LTD (CN)
MIDEA GROUP CO LTD (CN)
International Classes:
G10K11/16
Foreign References:
| CN115050347A | 2022-09-13 | |||
| CN214370886U | 2021-10-08 | |||
| EP1548701A1 | 2005-06-29 | |||
| CN211116187U | 2020-07-28 | |||
| CN113132851A | 2021-07-16 | |||
| CN106988085A | 2017-07-28 | |||
| CN112128083A | 2020-12-25 | |||
| CN213065077U | 2021-04-27 | |||
| CN214998099U | 2021-12-03 | |||
| EP0704617A1 | 1996-04-03 |
Attorney, Agent or Firm:
BEIJING LISENG INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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