DE179078C - - Google Patents
Info
- Publication number
- DE179078C DE179078C DENDAT179078D DE179078DA DE179078C DE 179078 C DE179078 C DE 179078C DE NDAT179078 D DENDAT179078 D DE NDAT179078D DE 179078D A DE179078D A DE 179078DA DE 179078 C DE179078 C DE 179078C
- Authority
- DE
- Germany
- Prior art keywords
- piston
- cylinder
- cover
- air
- sound
- 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.)
- Active
Links
- 230000011664 signaling Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 2
- 241000269400 Sirenidae Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
Classifications
-
- 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
- G10K7/00—Sirens
- G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Fluid-Damping Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE179078C true DE179078C (cg-RX-API-DMAC7.html) |
Family
ID=443420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT179078D Active DE179078C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE179078C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT179078D patent/DE179078C/de active Active
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