DK161783C - Roerformet lyddaemper - Google Patents
Roerformet lyddaemperInfo
- Publication number
- DK161783C DK161783C DK522585A DK522585A DK161783C DK 161783 C DK161783 C DK 161783C DK 522585 A DK522585 A DK 522585A DK 522585 A DK522585 A DK 522585A DK 161783 C DK161783 C DK 161783C
- Authority
- DK
- Denmark
- Prior art keywords
- silence
- mirror
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/242—Sound-absorbing material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
- Duct Arrangements (AREA)
- Thermal Insulation (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO844538A NO160027C (no) | 1984-11-14 | 1984-11-14 | Anordning ved roerformet lyddemper. |
| NO844538 | 1984-11-14 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK522585D0 DK522585D0 (da) | 1985-11-13 |
| DK522585A DK522585A (da) | 1986-05-15 |
| DK161783B DK161783B (da) | 1991-08-12 |
| DK161783C true DK161783C (da) | 1992-01-20 |
Family
ID=19887940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK522585A DK161783C (da) | 1984-11-14 | 1985-11-13 | Roerformet lyddaemper |
Country Status (4)
| Country | Link |
|---|---|
| DK (1) | DK161783C (da) |
| FI (1) | FI854448A7 (da) |
| NO (1) | NO160027C (da) |
| SE (1) | SE8505350L (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE532660C2 (sv) * | 2007-05-31 | 2010-03-16 | Swegon Ab | Ljuddämpare för ventilationskanaler |
| CN105444394A (zh) * | 2015-12-10 | 2016-03-30 | 珠海格力电器股份有限公司 | 一种板式降噪结构及包括其的空气调节装置 |
| CN108344042A (zh) * | 2018-01-31 | 2018-07-31 | 武汉飞环保科技有限责任公司 | 有降噪装置的分体式新风空气净化机 |
-
1984
- 1984-11-14 NO NO844538A patent/NO160027C/no not_active IP Right Cessation
-
1985
- 1985-11-12 FI FI854448A patent/FI854448A7/fi not_active Application Discontinuation
- 1985-11-13 SE SE8505350A patent/SE8505350L/xx unknown
- 1985-11-13 DK DK522585A patent/DK161783C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK522585D0 (da) | 1985-11-13 |
| DK522585A (da) | 1986-05-15 |
| SE8505350A0 (sv) | 1986-05-15 |
| FI854448A7 (fi) | 1986-05-15 |
| SE8505350D0 (sv) | 1985-11-13 |
| DK161783B (da) | 1991-08-12 |
| NO160027B (no) | 1988-11-21 |
| SE8505350L (sv) | 1986-05-15 |
| NO844538L (no) | 1986-05-15 |
| NO160027C (no) | 1989-03-01 |
| FI854448A0 (fi) | 1985-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUP | Patent expired |