BE444934A - - Google Patents
Info
- Publication number
- BE444934A BE444934A BE444934DA BE444934A BE 444934 A BE444934 A BE 444934A BE 444934D A BE444934D A BE 444934DA BE 444934 A BE444934 A BE 444934A
- Authority
- BE
- Belgium
- Prior art keywords
- membrane
- weight
- application
- pressure
- vibrations
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 21
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
- G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE444934T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE444934A true BE444934A (enrdf_load_html_response) |
Family
ID=3869722
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE444934D BE444934A (enrdf_load_html_response) | |||
| BE449559D BE449559A (enrdf_load_html_response) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449559D BE449559A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (2) | BE449559A (enrdf_load_html_response) |
-
0
- BE BE444934D patent/BE444934A/fr unknown
- BE BE449559D patent/BE449559A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE449559A (enrdf_load_html_response) |
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