GB1485152A - Systems and apparatus for gas detection - Google Patents
Systems and apparatus for gas detectionInfo
- Publication number
- GB1485152A GB1485152A GB565674A GB565674A GB1485152A GB 1485152 A GB1485152 A GB 1485152A GB 565674 A GB565674 A GB 565674A GB 565674 A GB565674 A GB 565674A GB 1485152 A GB1485152 A GB 1485152A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- duct
- probe
- ingress
- purging
- 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
- 238000001514 detection method Methods 0.000 title 1
- 239000000523 sample Substances 0.000 abstract 6
- 238000010926 purge Methods 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- 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
- G01M3/005—Investigating fluid-tightness of structures using pigs or moles
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB565674A GB1485152A (en) | 1975-04-29 | 1975-04-29 | Systems and apparatus for gas detection |
FR7514748A FR2311291A1 (fr) | 1975-04-29 | 1975-05-12 | Procede et appareil de detection de gaz |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB565674A GB1485152A (en) | 1975-04-29 | 1975-04-29 | Systems and apparatus for gas detection |
FR7514748A FR2311291A1 (fr) | 1975-04-29 | 1975-05-12 | Procede et appareil de detection de gaz |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1485152A true GB1485152A (en) | 1977-09-08 |
Family
ID=26218865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB565674A Expired GB1485152A (en) | 1975-04-29 | 1975-04-29 | Systems and apparatus for gas detection |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2311291A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
GB (1) | GB1485152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2138956A (en) * | 1983-04-27 | 1984-10-31 | Dunlop Ltd | Improvements in or relating to leak detectors |
FR2545215A1 (fr) * | 1983-04-27 | 1984-11-02 | Dunlop Ltd | Detecteur de fuite muni d'un moyen pour en verifier l'aptitude de fonctionnement |
GB2188735A (en) * | 1986-03-31 | 1987-10-07 | Emhart Ind | Hydrocarbon probe and method of installation |
CN110823480A (zh) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | 基于气体检测的地下电缆故障预警方法和装置 |
CN112377818A (zh) * | 2020-11-13 | 2021-02-19 | 江苏杰霸物联网科技有限公司 | 一种基于智慧燃气的燃气泄漏监控装置及其使用方法 |
CN115728012A (zh) * | 2022-11-21 | 2023-03-03 | 青海中利光纤技术有限公司 | 马弗管裂纹检测装置、方法、设备及存储介质 |
-
1975
- 1975-04-29 GB GB565674A patent/GB1485152A/en not_active Expired
- 1975-05-12 FR FR7514748A patent/FR2311291A1/fr active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2138956A (en) * | 1983-04-27 | 1984-10-31 | Dunlop Ltd | Improvements in or relating to leak detectors |
FR2545215A1 (fr) * | 1983-04-27 | 1984-11-02 | Dunlop Ltd | Detecteur de fuite muni d'un moyen pour en verifier l'aptitude de fonctionnement |
US4576037A (en) * | 1983-04-27 | 1986-03-18 | Dunlop Limited | Leak detectors |
GB2188735A (en) * | 1986-03-31 | 1987-10-07 | Emhart Ind | Hydrocarbon probe and method of installation |
CN110823480A (zh) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | 基于气体检测的地下电缆故障预警方法和装置 |
CN112377818A (zh) * | 2020-11-13 | 2021-02-19 | 江苏杰霸物联网科技有限公司 | 一种基于智慧燃气的燃气泄漏监控装置及其使用方法 |
CN112377818B (zh) * | 2020-11-13 | 2023-01-17 | 江苏杰霸物联网科技有限公司 | 一种基于智慧燃气的燃气泄漏监控装置及其使用方法 |
CN115728012A (zh) * | 2022-11-21 | 2023-03-03 | 青海中利光纤技术有限公司 | 马弗管裂纹检测装置、方法、设备及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
FR2311291A1 (fr) | 1976-12-10 |
FR2311291B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1194960A (en) | Fixing a geographical reference of a vehicle travelling through a pipeline | |
ATE20587T1 (de) | Verfahren und vorrichtung zum detektieren der an- oder abwesenheit eines gegenstandes an der duesenoeffnung. | |
DE59804871D1 (de) | Verfahren und Vorrichtung zum automatischen Anzeigen der voraussichtlich bis zur Ankunft des nächsten Fahrzeuges verbleibenden Zeit an Haltestellen eines Verkehrsmittel | |
SE9903905L (sv) | Förfarande och anordning för bestämning av ett objekts koordinater och orientering i ett referenskoordinatsystem | |
ATE21279T1 (de) | Verfahren und vorrichtung zur leckermittlung. | |
GB1485152A (en) | Systems and apparatus for gas detection | |
DE69118532D1 (de) | Infraakustischmagnetisches messinstrument | |
ES8303704A1 (es) | Perfeccionamientos en un aparato para medir diversos parametros asociados con su flujo gaseoso o corriente de aire. | |
CA2013244A1 (en) | Method and apparatus for detecting surface flaws in electrical cable plastic jacketing | |
GB1130870A (en) | Method and apparatus for detecting and measuring cracks in metal structures | |
ES8306255A1 (es) | Perfeccionamientos en los sistemas de medicion de coordena- das. | |
SE9003500D0 (sv) | Hoeghastighetsmaetning | |
US4527419A (en) | Sensor for underground duct probe | |
GB2133892B (en) | Detecting leaks | |
ES8303684A1 (es) | Perfeccionamientos en un sistema de medicion por coordenadas para determinar las dimensiones relativas de un objeto. | |
JPH0526400A (ja) | 管路監視装置 | |
JPS5633541A (en) | Detecting device for flaw of magnetic material | |
ES277419U (es) | Automovil para la limpieza de calles | |
EP0138370A3 (en) | Apparatus for use in leak detection | |
ES8300200A1 (es) | Localizador de emision acustica de defectos de una estructu-ra en la que las ondas acusticas recorren caminos cerrados. | |
JPH02672Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
JPH0315694B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
FR2359413A1 (fr) | Procede d'evaluation du degre de protection cathodique d'une piece metallique enterree, notamment une canalisation, et dispositifs pour la mise en oeuvre de ce procede | |
JPS5752856A (en) | Electromagnetic ultrasonic flaw detecting device | |
JPS57111864A (en) | Tape length display device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |