CA1103052A - Thermistor device for identifying an unknown fluid - Google Patents
Thermistor device for identifying an unknown fluidInfo
- Publication number
- CA1103052A CA1103052A CA293,360A CA293360A CA1103052A CA 1103052 A CA1103052 A CA 1103052A CA 293360 A CA293360 A CA 293360A CA 1103052 A CA1103052 A CA 1103052A
- Authority
- CA
- Canada
- Prior art keywords
- monitoring device
- detector
- resistance
- monitoring
- bridge
- 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
- 239000012530 fluid Substances 0.000 title description 16
- 238000012806 monitoring device Methods 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 230000001419 dependent effect Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 101150058765 BACE1 gene Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- -1 e.g. Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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
- G01N27/02—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/752,199 US4116045A (en) | 1976-12-20 | 1976-12-20 | Oil detector |
| US752,199 | 1976-12-20 | ||
| US78534777A | 1977-04-07 | 1977-04-07 | |
| US785,347 | 1977-04-07 | ||
| US05/825,670 US4159638A (en) | 1976-12-20 | 1977-08-18 | Thermistor detector circuit and discriminating network for heat absorptive media |
| US825,670 | 1977-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1103052A true CA1103052A (en) | 1981-06-16 |
Family
ID=27419425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA293,360A Expired CA1103052A (en) | 1976-12-20 | 1977-12-19 | Thermistor device for identifying an unknown fluid |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5928256B2 (ja) |
| AU (1) | AU513588B2 (ja) |
| CA (1) | CA1103052A (ja) |
| DE (1) | DE2756859A1 (ja) |
| DK (1) | DK566377A (ja) |
| FR (1) | FR2374639A1 (ja) |
| GB (1) | GB1596648A (ja) |
| IT (1) | IT1091381B (ja) |
| NO (1) | NO148689C (ja) |
| SE (1) | SE433007B (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419888A (en) * | 1979-06-14 | 1983-12-13 | Kabushikikaisha Shibaura Denshi Seisakusho | Humidity measuring method |
| DE3639435A1 (de) * | 1986-11-18 | 1988-05-26 | Hoelter Heinz | Volumenstromueberwachung fuer filternde geraete |
| FR2611907B1 (fr) * | 1987-03-05 | 1989-06-16 | Tolectromed Sarl | Identificateur de fluides medicaux |
| JPH053947Y2 (ja) * | 1988-02-02 | 1993-01-29 | ||
| JPH02290205A (ja) * | 1989-02-23 | 1990-11-30 | Kurita Water Ind Ltd | 凝集処理装置 |
| DE69109236T2 (de) * | 1990-11-09 | 1996-01-11 | Hewlett Packard Co | Verfahren und Systeme zur Identifizierung von Flüssigkeiten und Bestimmung der Strömung. |
| US5265459A (en) * | 1991-08-22 | 1993-11-30 | The Perkin Elmer Corporation | Single-element thermal conductivity detector |
| IT1312311B1 (it) | 1999-05-07 | 2002-04-15 | Thermoquest Italia Spa | Dispositivo per la misurazione della conducibilita' termica di unfluido |
| US7003418B2 (en) | 2003-08-28 | 2006-02-21 | Honeywell International Inc. | Methods and systems for temperature compensation of physical property sensors |
| DE102018130890A1 (de) * | 2018-12-04 | 2020-06-04 | Bcs Automotive Interface Solutions Gmbh | Flüssigkeitssensor, Herstellungsverfahren für einen Flüssigkeitssensor sowie Messverfahren zur Ermittlung eines Flüssigkeitskontakts |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1249566B (ja) * | 1967-09-07 | |||
| US2650496A (en) * | 1948-05-17 | 1953-09-01 | Phillips Petroleum Co | Fluid flowmeter with heated resistance bridge circuit |
| US3429178A (en) * | 1965-01-07 | 1969-02-25 | Enoch J Durbin | Measuring system |
| US3719936A (en) * | 1971-06-01 | 1973-03-06 | Durham Ass Inc | Oil spillage detection system |
| GB1372695A (en) * | 1971-12-07 | 1974-11-06 | Pye Ltd | Thermal conductivity detector apparatus |
| US3864959A (en) * | 1971-12-16 | 1975-02-11 | Pye Ltd | Thermal conductivity detector apparatus |
| US3780565A (en) * | 1972-10-19 | 1973-12-25 | Gen Motors Corp | Fluid vaporization tester |
| AT326753B (de) * | 1972-11-16 | 1975-12-29 | Danfoss As | Messwertumformer mit einem kompensationsbrückenkreis |
| US3913379A (en) * | 1973-10-18 | 1975-10-21 | Tibor Rusz | Dynamic gas analyzer |
| AT350299B (de) * | 1975-06-26 | 1979-05-25 | Uher Ag | Schaltung mit linear temperaturabhaengigem gesamtwiderstand |
-
1977
- 1977-12-07 NO NO774182A patent/NO148689C/no unknown
- 1977-12-14 AU AU31522/77A patent/AU513588B2/en not_active Expired
- 1977-12-14 GB GB52032/77A patent/GB1596648A/en not_active Expired
- 1977-12-19 CA CA293,360A patent/CA1103052A/en not_active Expired
- 1977-12-19 DK DK566377A patent/DK566377A/da not_active Application Discontinuation
- 1977-12-19 SE SE7714459A patent/SE433007B/sv unknown
- 1977-12-19 IT IT69842/77A patent/IT1091381B/it active
- 1977-12-20 JP JP52153494A patent/JPS5928256B2/ja not_active Expired
- 1977-12-20 FR FR7738513A patent/FR2374639A1/fr active Granted
- 1977-12-20 DE DE19772756859 patent/DE2756859A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK566377A (da) | 1978-06-21 |
| SE7714459L (sv) | 1978-06-21 |
| SE433007B (sv) | 1984-04-30 |
| NO774182L (no) | 1978-06-21 |
| FR2374639A1 (fr) | 1978-07-13 |
| NO148689B (no) | 1983-08-15 |
| IT1091381B (it) | 1985-07-06 |
| FR2374639B1 (ja) | 1984-10-26 |
| AU513588B2 (en) | 1980-12-11 |
| GB1596648A (en) | 1981-08-26 |
| NO148689C (no) | 1983-11-30 |
| JPS5383795A (en) | 1978-07-24 |
| JPS5928256B2 (ja) | 1984-07-11 |
| AU3152277A (en) | 1979-06-21 |
| DE2756859A1 (de) | 1978-07-06 |
| DE2756859C2 (ja) | 1991-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4159638A (en) | Thermistor detector circuit and discriminating network for heat absorptive media | |
| US4255968A (en) | Flow indicator | |
| EP0364982B1 (en) | Frost and dew sensor | |
| US7607823B2 (en) | Leak detector comprising a self-heated thermistor control circuit | |
| US4609913A (en) | Fluid level sensor | |
| US4487063A (en) | Solid state mass air flow sensor | |
| CA1103052A (en) | Thermistor device for identifying an unknown fluid | |
| KR0184673B1 (ko) | 열식 유량계(熱式流量計) | |
| JPS589057A (ja) | 流体漏れ検出装置 | |
| US3580074A (en) | Temperature-compensated liquid quantity gage | |
| Ferreira et al. | Hot-wire anemometer with temperature compensation using only one sensor | |
| US3216249A (en) | Differential pressure responsive signal circuit | |
| US4781065A (en) | Solid-state anemometers and temperature gauges | |
| CA1284038C (en) | Fluid flow sensor | |
| US4845984A (en) | Temperature compensation for a thermal mass flow meter | |
| US4563098A (en) | Gradient compensated temperature probe and gradient compensation method | |
| US4220041A (en) | Alien liquid detector and control | |
| US6132083A (en) | Real-time measuring method | |
| US5159318A (en) | Universal single point liquid level sensor | |
| US2982908A (en) | Sensing apparatus | |
| US5421202A (en) | Liquid sensor having thermistors | |
| US4596140A (en) | Constant overheat anemometer with sensor lead wire impedance compensation | |
| US4223552A (en) | Apparatus and method for sensing a substance on a liquid surface | |
| AU736573B2 (en) | Liquid level sensor | |
| US2738678A (en) | Liquid manometers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |