DE231085C - - Google Patents
Info
- Publication number
- DE231085C DE231085C DENDAT231085D DE231085DA DE231085C DE 231085 C DE231085 C DE 231085C DE NDAT231085 D DENDAT231085 D DE NDAT231085D DE 231085D A DE231085D A DE 231085DA DE 231085 C DE231085 C DE 231085C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- valve cover
- air
- vibrations
- cover
- 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
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005192 partition Methods 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
- G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
- G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Details Of Valves (AREA)
- Safety Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE231085C true DE231085C (enrdf_load_stackoverflow) |
Family
ID=491234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT231085D Active DE231085C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE231085C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT231085D patent/DE231085C/de active Active
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