DE213090C - - Google Patents
Info
- Publication number
- DE213090C DE213090C DENDAT213090D DE213090DA DE213090C DE 213090 C DE213090 C DE 213090C DE NDAT213090 D DENDAT213090 D DE NDAT213090D DE 213090D A DE213090D A DE 213090DA DE 213090 C DE213090 C DE 213090C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- bellows
- spring
- tension
- control valve
- 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
- 239000012528 membrane Substances 0.000 claims description 8
- 230000001105 regulatory Effects 0.000 claims description 5
- 210000000188 Diaphragm Anatomy 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 3
- 210000000056 organs Anatomy 0.000 description 3
- 241000189705 Dunedin group Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F5/00—Details or accessories
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10F—AUTOMATIC MUSICAL INSTRUMENTS
- G10F1/00—Automatic musical instruments
- G10F1/02—Pianofortes with keyboard
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Air-Flow Control Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE213090C true DE213090C (fi) |
Family
ID=474776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT213090D Active DE213090C (fi) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE213090C (fi) |
-
0
- DE DENDAT213090D patent/DE213090C/de active Active
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