FR1275831A - electrical elements for detecting the presence of liquids, vapors or gases - Google Patents
electrical elements for detecting the presence of liquids, vapors or gasesInfo
- Publication number
- FR1275831A FR1275831A FR846431A FR846431A FR1275831A FR 1275831 A FR1275831 A FR 1275831A FR 846431 A FR846431 A FR 846431A FR 846431 A FR846431 A FR 846431A FR 1275831 A FR1275831 A FR 1275831A
- Authority
- FR
- France
- Prior art keywords
- vapors
- liquids
- gases
- detecting
- electrical elements
- 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
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
-
- 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
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
- G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical 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
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- 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
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/002—Inhomogeneous material in general
- H01B3/004—Inhomogeneous material in general with conductive additives or conductive layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR846431A FR1275831A (en) | 1959-12-11 | 1960-12-09 | electrical elements for detecting the presence of liquids, vapors or gases |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US859005A US3045198A (en) | 1959-12-11 | 1959-12-11 | Detection device |
FR846431A FR1275831A (en) | 1959-12-11 | 1960-12-09 | electrical elements for detecting the presence of liquids, vapors or gases |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1275831A true FR1275831A (en) | 1961-11-10 |
Family
ID=26188489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR846431A Expired FR1275831A (en) | 1959-12-11 | 1960-12-09 | electrical elements for detecting the presence of liquids, vapors or gases |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1275831A (en) |
-
1960
- 1960-12-09 FR FR846431A patent/FR1275831A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BE579767A (en) | Gas separation. | |
FR1275831A (en) | electrical elements for detecting the presence of liquids, vapors or gases | |
DK128868B (en) | Analysis apparatus for electrical gas and liquid analysis. | |
OA00919A (en) | Device for detecting the presence of non-oxidizing gases. | |
BE573563A (en) | Device for selectively detecting the presence of fission products in gases. | |
BE578708A (en) | Improvements to devices to detect and indicate the presence of gas or vapors. | |
FR1306316A (en) | Gas or vapor presence detector | |
AU224504B2 (en) | An apparatus for detecting the presence of organic gases and vapours | |
CA542036A (en) | Columns for contacting liquids with gases or vapours | |
GB1029951A (en) | Improvements in or relating to apparatus for detecting the presence of gases or vapours in the atmosphere | |
AT192936B (en) | Branch system for gases, vapors or liquids | |
DK96825C (en) | Apparatus for introducing gases into liquids. | |
AU2922457A (en) | An apparatus for detecting the presence of organic gases and vapours | |
CA565908A (en) | Contacting apparatus for gases and liquids | |
AT209875B (en) | Device for the even distribution of liquids, gases or vapors | |
FR1242866A (en) | Apparatus for detecting and revealing the presence of gas or vapor | |
CA603739A (en) | Treating liquids with gases or vapours | |
DK97177C (en) | Filter apparatus with rotary filter for separating gases and solids or liquids or for separating liquids and solids. | |
FR77634E (en) | Advanced electric detector for gases, vapors, fumes and the like | |
CH388266A (en) | Device for dewatering gases or vapors | |
FR1272219A (en) | Improvements made to devices intended to detect the presence of flammable gases | |
CA551185A (en) | Apparatus for filtering entrained liquids from gases | |
DK96939C (en) | Apparatus for the fractionation of gases. | |
DK105768C (en) | Apparatus for venting liquids. | |
FR1255988A (en) | Colorimetric vapor analyzer, portable |