KR20090084565A - 팬 타입 회절음 저감장치 - Google Patents
팬 타입 회절음 저감장치 Download PDFInfo
- Publication number
- KR20090084565A KR20090084565A KR1020080010823A KR20080010823A KR20090084565A KR 20090084565 A KR20090084565 A KR 20090084565A KR 1020080010823 A KR1020080010823 A KR 1020080010823A KR 20080010823 A KR20080010823 A KR 20080010823A KR 20090084565 A KR20090084565 A KR 20090084565A
- Authority
- KR
- South Korea
- Prior art keywords
- fan type
- sound
- reduction device
- drum
- rotating body
- Prior art date
Links
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0094—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic constructions for generation of phase shifting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (4)
- 방음벽 상단에서 회절하는 소음을 감쇠시키기 위한 회절음 저감장치에 있어서,원통형의 드럼 중심에는 회전축이 결합되고, 상기 드럼의 외면에는 다수개의 회전익이 형성된 회전체; 및상기 방음벽 상단에 안착된 상태로 고정 설치하기 위한 결합판의 전후 선단에 상기 회전체를 축 결합하기 위한 지지판이 형성된 하우징;으로 이루어진 것을 특징으로 하는 팬 타입 회절음 저감장치.
- 제 1 항에 있어서, 상기 드럼에는 각 회전익 사이에 다수개의 흡음구를 형성하고, 상기 드럼과 회전축 사이의 공간에는 흡음재를 삽입하여 이루어진 것을 특징으로 하는 팬 타입 회절음 저감장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 전후 지지판을 연결하면서 상기 회전체를 보호하기 위한 보강대를 등 간격으로 설치하여 이루어진 것을 특징으로 하는 팬 타입 회절음 저감장치.
- 제 1 항 또는 제 2 항에 있어서, 상기 전후 지지판을 연결함과 동시에 상기 회전체를 커버하면서 그 양측에는 전후 등 간격으로 통풍구가 관통 형성된 케이스 를 구성하여 이루어진 것을 특징으로 하는 팬 타입 회절음 저감장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080010823A KR100958674B1 (ko) | 2008-02-01 | 2008-02-01 | 팬 타입 회절음 저감장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080010823A KR100958674B1 (ko) | 2008-02-01 | 2008-02-01 | 팬 타입 회절음 저감장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090084565A true KR20090084565A (ko) | 2009-08-05 |
KR100958674B1 KR100958674B1 (ko) | 2010-05-20 |
Family
ID=41205092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080010823A KR100958674B1 (ko) | 2008-02-01 | 2008-02-01 | 팬 타입 회절음 저감장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100958674B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101249845B1 (ko) | 2010-09-15 | 2013-04-02 | 한국철도기술연구원 | 소음 저감용 방음장치 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20060055482A (ko) * | 2006-02-13 | 2006-05-23 | 정택수 | 도로의 방풍시설 |
KR100746972B1 (ko) * | 2006-10-11 | 2007-08-07 | 안승철 | 자동회전 흡음형 방음판 |
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2008
- 2008-02-01 KR KR1020080010823A patent/KR100958674B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR100958674B1 (ko) | 2010-05-20 |
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