CN202090994U - 无甲醛环保型阻抗复合式消声器 - Google Patents
无甲醛环保型阻抗复合式消声器 Download PDFInfo
- Publication number
- CN202090994U CN202090994U CN2009202169485U CN200920216948U CN202090994U CN 202090994 U CN202090994 U CN 202090994U CN 2009202169485 U CN2009202169485 U CN 2009202169485U CN 200920216948 U CN200920216948 U CN 200920216948U CN 202090994 U CN202090994 U CN 202090994U
- Authority
- CN
- China
- Prior art keywords
- formaldehydeless
- formaldehyde
- protection type
- environment protection
- glass wool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202169485U CN202090994U (zh) | 2009-09-27 | 2009-09-27 | 无甲醛环保型阻抗复合式消声器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202169485U CN202090994U (zh) | 2009-09-27 | 2009-09-27 | 无甲醛环保型阻抗复合式消声器 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202090994U true CN202090994U (zh) | 2011-12-28 |
Family
ID=45366067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009202169485U Expired - Fee Related CN202090994U (zh) | 2009-09-27 | 2009-09-27 | 无甲醛环保型阻抗复合式消声器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202090994U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104538021A (zh) * | 2014-11-21 | 2015-04-22 | 世纪良基投资集团有限公司 | 无甲醛环保型消声器 |
-
2009
- 2009-09-27 CN CN2009202169485U patent/CN202090994U/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104538021A (zh) * | 2014-11-21 | 2015-04-22 | 世纪良基投资集团有限公司 | 无甲醛环保型消声器 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201650452U (zh) | 一种柴油发电机组的静音装置 | |
CN201778881U (zh) | 无甲醛环保型管式消声器 | |
CN201779367U (zh) | 无甲醛环保型保温消音玻璃棉内管 | |
CN201606994U (zh) | 一种消声风管 | |
CN201778880U (zh) | 无甲醛环保型片式消声器 | |
CN205075423U (zh) | 一种微穿孔板-活性碳纤维复合吸声结构 | |
CN202090994U (zh) | 无甲醛环保型阻抗复合式消声器 | |
CN106653286B (zh) | 一种美式箱变用降噪壳体 | |
CN104047447B (zh) | 干冰清洗模具房 | |
CN200943774Y (zh) | 无甲醛环保型消音风管 | |
CN205331629U (zh) | 一种降噪节能风管 | |
CN201724361U (zh) | 无甲醛环保型消音静压箱 | |
CN202327404U (zh) | 一种降噪风管 | |
CN201724360U (zh) | 无甲醛环保型消音弯头 | |
CN206888873U (zh) | 新风隔声窗系统 | |
CN203743646U (zh) | 复合保温空调通风管道 | |
CN201892293U (zh) | 无甲醛环保节能型消音盒 | |
CN210638251U (zh) | 一种中央空调通风管道 | |
CN204332355U (zh) | 无甲醛环保型消声器 | |
CN209116518U (zh) | 一种空调机组用具有消音功能的保温面板 | |
CN202733310U (zh) | 消音高憎水环保型风管 | |
CN203363441U (zh) | 吸音全封闭风管 | |
CN201723907U (zh) | 一种弯管消声器 | |
CN202733219U (zh) | 消声隔音高憎水环保型风管 | |
CN201353898Y (zh) | 风管板和风管 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHIJI LIANGJI INVESTMENT GROUP CO., LTD. Free format text: FORMER NAME: CENTURY LIANGJI (BEIJING) TECHNOLOGY DEVELOPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 100083, Haidian District, Beijing, Fu Cheng Road, No. 28 excellent building, block C, floor 12 Patentee after: SHIJILIANGJI INVESTMENT GROUP CO., LTD. Address before: 100083, Haidian District, Beijing, Fu Cheng Road, No. 28 excellent building, block C, floor 12 Patentee before: Century Liangji (Beijing) Technology Development Co., Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Century base group environmental protection materials Research Co Ltd Assignor: SHIJILIANGJI INVESTMENT GROUP CO., LTD. Contract record no.: 2013110000057 Denomination of utility model: Formaldehyde-free environmentally-friendly impedance compound silencer Granted publication date: 20111228 License type: Exclusive License Record date: 20131118 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170517 Address after: 100084 B901-01 room, school building, Tsinghua University, Tsinghua University, Beijing, Haidian District Patentee after: Century base group environmental protection materials Research Co Ltd Address before: 100083, Haidian District, Beijing, Fu Cheng Road, No. 28 excellent building, block C, floor 12 Patentee before: SHIJILIANGJI INVESTMENT GROUP CO., LTD. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20170927 |
|
DD01 | Delivery of document by public notice | ||
DD01 | Delivery of document by public notice |
Addressee: SHIJILIANGJI INVESTMENT GROUP CO., LTD. Document name: Notification of Passing Examination on Formalities |