GB636514A - Improved means for detecting leaks in the enclosures of electric cables containing gas under pressure - Google Patents
Improved means for detecting leaks in the enclosures of electric cables containing gas under pressureInfo
- Publication number
- GB636514A GB636514A GB844648A GB844648A GB636514A GB 636514 A GB636514 A GB 636514A GB 844648 A GB844648 A GB 844648A GB 844648 A GB844648 A GB 844648A GB 636514 A GB636514 A GB 636514A
- Authority
- GB
- United Kingdom
- Prior art keywords
- chamber
- gas
- pipe
- reed
- section
- 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.)
- Expired
Links
- 235000014676 Phragmites communis Nutrition 0.000 abstract 7
- 238000012986 modification Methods 0.000 abstract 3
- 230000004048 modification Effects 0.000 abstract 3
- 244000273256 Phragmites communis Species 0.000 abstract 2
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
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/181—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for cables
-
- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2838—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR983376D FR983376A (enrdf_load_stackoverflow) | 1948-03-22 | ||
| GB844648A GB636514A (en) | 1948-03-22 | 1948-03-22 | Improved means for detecting leaks in the enclosures of electric cables containing gas under pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB844648A GB636514A (en) | 1948-03-22 | 1948-03-22 | Improved means for detecting leaks in the enclosures of electric cables containing gas under pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB636514A true GB636514A (en) | 1950-05-03 |
Family
ID=9852644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB844648A Expired GB636514A (en) | 1948-03-22 | 1948-03-22 | Improved means for detecting leaks in the enclosures of electric cables containing gas under pressure |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR983376A (enrdf_load_stackoverflow) |
| GB (1) | GB636514A (enrdf_load_stackoverflow) |
-
0
- FR FR983376D patent/FR983376A/fr not_active Expired
-
1948
- 1948-03-22 GB GB844648A patent/GB636514A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR983376A (enrdf_load_stackoverflow) | 1951-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3264864A (en) | Apparatus for pinpointing leaks in buried pipes | |
| Stewart | Acoustic wave filters | |
| US2448322A (en) | Detonation meter | |
| GB636514A (en) | Improved means for detecting leaks in the enclosures of electric cables containing gas under pressure | |
| US2530383A (en) | Microphone testing device | |
| GB707191A (en) | Apparatus for the detection of fluid leakages from pipes or containers for fluids under pressure | |
| GB574819A (en) | Apparatus for testing the density of fluids | |
| JPS527790A (en) | Stress measuring equipment | |
| FR939505A (fr) | Dispositif indicateur de fuites perfectionné pour câbles électriques remplis de gaz, tuyauteries et similaires | |
| GB632596A (en) | Improvements in and relating to pneumatic vibrator machines | |
| US3586967A (en) | Pneumatic centering device | |
| GB756514A (enrdf_load_stackoverflow) | ||
| GB640188A (en) | Improvements in and relating to the determination of electric discharge | |
| Meeker et al. | The acoustical impedance of closed rectangular loudspeaker housings | |
| SU87429A1 (ru) | Устройство дл определени местоположени течи в трубопроводе | |
| Cohen et al. | The frequency characteristics of telephone systems and audio-frequency apparatus, and their measurement | |
| GB1157009A (en) | Improvements relating to Leak Detectors | |
| GB635518A (en) | Improvements in devices for measuring the harmonics produced in electrical equipment | |
| GB849295A (en) | Apparatus for measuring the relative phase of two alternating potentials of the samefrequency | |
| SU621001A1 (ru) | Устройство дл излучени звука | |
| Morton | Torque in a bipolar induction meter | |
| US1522294A (en) | Electrical testing system | |
| KR20220052689A (ko) | 이중 보온관 누수감지선 통전량 시험 방법 및 그 장비 | |
| SU104724A1 (ru) | Способ установки и контрол люфта между керном и подп тником в электроизмерительных приборах | |
| SU630699A1 (ru) | Способ защиты электрической машины |