DE289198C - - Google Patents
Info
- Publication number
- DE289198C DE289198C DENDAT289198D DE289198DA DE289198C DE 289198 C DE289198 C DE 289198C DE NDAT289198 D DENDAT289198 D DE NDAT289198D DE 289198D A DE289198D A DE 289198DA DE 289198 C DE289198 C DE 289198C
- Authority
- DE
- Germany
- Prior art keywords
- secondary air
- passages
- piston
- suction flow
- precedes
- 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
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001105 regulatory effect 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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Characterised By The Charging Evacuation (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE289198C true DE289198C (en:Method) |
Family
ID=544246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT289198D Active DE289198C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE289198C (en:Method) |
-
0
- DE DENDAT289198D patent/DE289198C/de active Active
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