BE683981A - - Google Patents
Info
- Publication number
- BE683981A BE683981A BE683981DA BE683981A BE 683981 A BE683981 A BE 683981A BE 683981D A BE683981D A BE 683981DA BE 683981 A BE683981 A BE 683981A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
-
- 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
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
- F16L55/02718—Throttle passages in the form of perforated plates placed transversely
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE914965 | 1965-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE683981A true BE683981A (en) | 1966-12-16 |
Family
ID=20275958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE683981D BE683981A (en) | 1965-07-12 | 1966-07-12 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT267984B (en) |
| BE (1) | BE683981A (en) |
| CH (1) | CH446828A (en) |
| ES (1) | ES329031A1 (en) |
| GB (1) | GB1079869A (en) |
| NL (1) | NL6609771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029043B1 (en) * | 1979-04-17 | 1984-11-21 | Industrial Acoustics Company, Inc. | Packless silencer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1188227A (en) * | 1980-11-28 | 1985-06-04 | Stephen C. Inglis | Low frequency noise and turbulence reducer |
-
1966
- 1966-07-07 AT AT653966A patent/AT267984B/en active
- 1966-07-08 CH CH995666A patent/CH446828A/en unknown
- 1966-07-08 GB GB3084966A patent/GB1079869A/en not_active Expired
- 1966-07-12 NL NL6609771A patent/NL6609771A/xx unknown
- 1966-07-12 BE BE683981D patent/BE683981A/xx unknown
- 1966-07-12 ES ES0329031A patent/ES329031A1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029043B1 (en) * | 1979-04-17 | 1984-11-21 | Industrial Acoustics Company, Inc. | Packless silencer |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1079869A (en) | 1967-08-16 |
| ES329031A1 (en) | 1967-05-01 |
| CH446828A (en) | 1967-11-15 |
| NL6609771A (en) | 1967-01-13 |
| AT267984B (en) | 1969-01-27 |