JPS5438919B1 - - Google Patents
Info
- Publication number
- JPS5438919B1 JPS5438919B1 JP3455572A JP3455572A JPS5438919B1 JP S5438919 B1 JPS5438919 B1 JP S5438919B1 JP 3455572 A JP3455572 A JP 3455572A JP 3455572 A JP3455572 A JP 3455572A JP S5438919 B1 JPS5438919 B1 JP S5438919B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
-
- 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
-
- 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
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA114373 | 1971-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5438919B1 true JPS5438919B1 (enExample) | 1979-11-24 |
Family
ID=4089848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3455572A Pending JPS5438919B1 (enExample) | 1971-05-31 | 1972-04-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3771349A (enExample) |
| JP (1) | JPS5438919B1 (enExample) |
| CA (1) | CA931633A (enExample) |
| DE (1) | DE2217625C3 (enExample) |
| FR (1) | FR2139821B1 (enExample) |
| GB (1) | GB1363571A (enExample) |
| NL (1) | NL149286B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673652A (en) * | 1982-10-12 | 1987-06-16 | Baker Oil Tools, Inc. | Method of testing and reconditioning insulating tubular conduits |
| GB2246633A (en) * | 1990-07-11 | 1992-02-05 | Brownell Limited | Improvements in or relating to leak location |
| US5417105A (en) * | 1994-02-18 | 1995-05-23 | Hughes Aircraft Company | Flow accelerator for leak detector probe |
| US5687606A (en) * | 1996-01-04 | 1997-11-18 | Boart Longyear Company | Moisture detector |
| SE518522C2 (sv) * | 2001-03-21 | 2002-10-22 | Sensistor Ab | Metod och anordning vid täthetsprovning och läcksökning |
| EP1342998A3 (de) * | 2002-03-08 | 2006-01-18 | UST Umweltsensortechnik GmbH | Verfahren und Anordnung zur Erkennung von Leckagen an einem gasgefüllten System |
| DE10315925B4 (de) * | 2003-04-08 | 2012-01-05 | Ust Umweltsensortechnik Gmbh | Verfahren und Anordnung zur Erkennung von Leckagen an einem gasgefüllten System |
| US20060266102A1 (en) * | 2005-05-25 | 2006-11-30 | Tolliver Charlie L | System, apparatus and method for detecting unknown chemical compounds |
| US8962200B2 (en) * | 2006-02-15 | 2015-02-24 | Ford Motor Company | Humidity measuring device and method |
| US8074490B2 (en) * | 2006-08-03 | 2011-12-13 | Ut-Battelle Llc | Clandestine grave detector |
| US7752890B2 (en) * | 2007-11-08 | 2010-07-13 | Battelle Memorial Institute | Method and apparatus for continuous fluid leak monitoring and detection in analytical instruments and instrument systems |
| US8726719B2 (en) | 2010-07-31 | 2014-05-20 | Ut-Battelle, Llc | Light-weight analyzer for odor recognition |
| CN103604568B (zh) * | 2013-11-18 | 2015-12-02 | 北京卫星环境工程研究所 | 航天器检漏用的氦质谱检漏仪吸枪 |
| US9975646B2 (en) * | 2015-07-28 | 2018-05-22 | Ppg Industries Ohio, Inc. | Aerospace transparency having moisture sensors |
| CN107144598B (zh) * | 2017-04-13 | 2019-10-11 | 西安交通大学 | 一种基于动态加热的流动湿蒸汽湿度传感器及测量方法 |
| FR3069639B1 (fr) * | 2017-07-26 | 2019-08-30 | Pfeiffer Vacuum | Sonde de reniflage, detecteur de fuites et procede de detection de fuites |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2681571A (en) * | 1949-03-15 | 1954-06-22 | Gen Electric | Electrical moisture indicator |
| US2947166A (en) * | 1956-11-05 | 1960-08-02 | Ca Atomic Energy Ltd | Vapour leak detector |
| US3186225A (en) * | 1959-07-29 | 1965-06-01 | Union Carbide Corp | Moisture sensing method and apparatus |
| US3522732A (en) * | 1967-10-19 | 1970-08-04 | Atmos Fritzsching & Co Gmbh | Sensing element for hygrometers |
-
1971
- 1971-05-31 CA CA931633A patent/CA931633A/en not_active Expired
-
1972
- 1972-02-21 GB GB793772A patent/GB1363571A/en not_active Expired
- 1972-03-15 US US00234842A patent/US3771349A/en not_active Expired - Lifetime
- 1972-03-21 NL NL727203737A patent/NL149286B/xx unknown
- 1972-04-05 FR FR727211950A patent/FR2139821B1/fr not_active Expired
- 1972-04-07 JP JP3455572A patent/JPS5438919B1/ja active Pending
- 1972-04-12 DE DE2217625A patent/DE2217625C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3771349A (en) | 1973-11-13 |
| DE2217625B2 (de) | 1974-09-19 |
| FR2139821B1 (enExample) | 1973-07-13 |
| NL149286B (nl) | 1976-04-15 |
| DE2217625A1 (de) | 1972-12-14 |
| FR2139821A1 (enExample) | 1973-01-12 |
| NL7203737A (enExample) | 1972-12-04 |
| CA931633A (en) | 1973-08-07 |
| GB1363571A (en) | 1974-08-14 |
| DE2217625C3 (de) | 1975-06-05 |