DE3141217A1 - Vorrichtung zur feststellung einer substanz auf der oberflaeche einer fluessigkeit - Google Patents
Vorrichtung zur feststellung einer substanz auf der oberflaeche einer fluessigkeitInfo
- Publication number
- DE3141217A1 DE3141217A1 DE19813141217 DE3141217A DE3141217A1 DE 3141217 A1 DE3141217 A1 DE 3141217A1 DE 19813141217 DE19813141217 DE 19813141217 DE 3141217 A DE3141217 A DE 3141217A DE 3141217 A1 DE3141217 A1 DE 3141217A1
- Authority
- DE
- Germany
- Prior art keywords
- liquid
- sensor element
- substance
- sensor
- float device
- 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.)
- Withdrawn
Links
- 239000000126 substance Substances 0.000 title claims description 15
- 239000007788 liquid Substances 0.000 title claims description 12
- 238000005538 encapsulation Methods 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000006735 deficit Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 7
- 239000003673 groundwater Substances 0.000 description 6
- 150000002825 nitriles Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- -1 hydrocarbons Nitrile Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
-
- 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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
- G01N33/1833—Oil in water
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Level Indicators Using A Float (AREA)
- Examining Or Testing Airtightness (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/198,058 US4345459A (en) | 1980-10-17 | 1980-10-17 | Sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3141217A1 true DE3141217A1 (de) | 1982-08-26 |
Family
ID=22731829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813141217 Withdrawn DE3141217A1 (de) | 1980-10-17 | 1981-10-16 | Vorrichtung zur feststellung einer substanz auf der oberflaeche einer fluessigkeit |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4345459A (https=) |
| JP (1) | JPS5770440A (https=) |
| AU (1) | AU535868B2 (https=) |
| CA (1) | CA1196411A (https=) |
| DE (1) | DE3141217A1 (https=) |
| DK (1) | DK364781A (https=) |
| FR (1) | FR2492530A1 (https=) |
| GB (1) | GB2086052B (https=) |
| IT (2) | IT8153558V0 (https=) |
| NO (1) | NO813125L (https=) |
| SE (1) | SE8106027L (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434650A (en) | 1982-05-05 | 1984-03-06 | Emhart Industries, Inc. | Hydrocarbon sensor float |
| US4725818A (en) * | 1985-09-13 | 1988-02-16 | Simplex Time Recorder Co. | Walk through test system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1389477A (fr) * | 1963-11-09 | 1965-02-19 | Perfectionnements apportés aux pousse-suppositoires médicaux | |
| US3720797A (en) * | 1971-09-10 | 1973-03-13 | K Gunn | Gas fusing sensing device |
| US3946625A (en) * | 1973-05-11 | 1976-03-30 | Asahi Kasei Kogyo Kabushiki Kaisha | Liquid detector |
| US3918034A (en) * | 1974-02-11 | 1975-11-04 | Petrotek | Oil detection and signaling system |
| JPS5217891A (en) * | 1975-06-28 | 1977-02-10 | Nippon Sheet Glass Co Ltd | Device for detection of efflux of ligh-shielding liquid |
| DE2601410A1 (de) * | 1975-12-30 | 1977-07-21 | Robert Heidenreich Inh Frank H | Geraet zur anzeige von fluessigen, unloeslichen schichten auf leitenden fluessigkeiten |
| US4131773A (en) * | 1976-03-24 | 1978-12-26 | Texaco Inc. | Apparatus for detecting presence of oil in a body of water |
| NO147929C (no) * | 1976-12-20 | 1983-07-06 | Bronson M Potter | Deteksjonssystem for oljeforurensning. |
| DE2837920C2 (de) * | 1978-08-31 | 1987-04-16 | Münnich-Debus Meßtechnik KG, 8000 München | Flüssigkeitsmeßgeber |
| US4221125A (en) * | 1979-03-09 | 1980-09-09 | Emhart Industries, Inc. | Apparatus and method for detecting the presence of a substance on a liquid surface |
| US4223552A (en) * | 1979-03-21 | 1980-09-23 | Emhart Industries, Inc. | Apparatus and method for sensing a substance on a liquid surface |
-
1980
- 1980-10-17 US US06/198,058 patent/US4345459A/en not_active Expired - Lifetime
-
1981
- 1981-06-15 CA CA000379788A patent/CA1196411A/en not_active Expired
- 1981-06-22 AU AU72039/81A patent/AU535868B2/en not_active Ceased
- 1981-07-06 GB GB8120844A patent/GB2086052B/en not_active Expired
- 1981-08-12 FR FR8115614A patent/FR2492530A1/fr active Granted
- 1981-08-14 JP JP56127656A patent/JPS5770440A/ja active Pending
- 1981-08-17 DK DK364781A patent/DK364781A/da unknown
- 1981-08-26 IT IT8153558U patent/IT8153558V0/it unknown
- 1981-08-26 IT IT68149/81A patent/IT1144640B/it active
- 1981-09-14 NO NO813125A patent/NO813125L/no unknown
- 1981-10-12 SE SE8106027A patent/SE8106027L/ not_active Application Discontinuation
- 1981-10-16 DE DE19813141217 patent/DE3141217A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DK364781A (da) | 1982-04-18 |
| IT1144640B (it) | 1986-10-29 |
| FR2492530B1 (https=) | 1984-12-28 |
| FR2492530A1 (fr) | 1982-04-23 |
| AU7203981A (en) | 1982-04-22 |
| GB2086052B (en) | 1985-06-12 |
| US4345459A (en) | 1982-08-24 |
| SE8106027L (sv) | 1982-04-18 |
| AU535868B2 (en) | 1984-04-05 |
| IT8168149A0 (it) | 1981-08-26 |
| CA1196411A (en) | 1985-11-05 |
| JPS5770440A (en) | 1982-04-30 |
| NO813125L (no) | 1982-04-19 |
| IT8153558V0 (it) | 1981-08-26 |
| GB2086052A (en) | 1982-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OR8 | Request for search as to paragraph 43 lit. 1 sentence 1 patent law | ||
| 8139 | Disposal/non-payment of the annual fee |