CA1057382A - Temperature sensors with improved operating characteristics utilizing magnetic elements - Google Patents
Temperature sensors with improved operating characteristics utilizing magnetic elementsInfo
- Publication number
- CA1057382A CA1057382A CA243,312A CA243312A CA1057382A CA 1057382 A CA1057382 A CA 1057382A CA 243312 A CA243312 A CA 243312A CA 1057382 A CA1057382 A CA 1057382A
- Authority
- CA
- Canada
- Prior art keywords
- cores
- temperature
- sensor
- elements
- inductance
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 42
- 230000001939 inductive effect Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 10
- 238000009738 saturating Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 8
- 239000000696 magnetic material Substances 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 42
- 239000004020 conductor Substances 0.000 description 20
- 239000003990 capacitor Substances 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 240000004053 Rorippa indica Species 0.000 description 1
- 244000191761 Sida cordifolia Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/005—Circuits arrangements for indicating a predetermined temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
- G01K7/38—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils the variations of temperature influencing the magnetic permeability
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/564,578 US3950993A (en) | 1975-04-02 | 1975-04-02 | Temperature sensors with improved operating characteristics utilizing magnetic elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1057382A true CA1057382A (en) | 1979-06-26 |
Family
ID=24255040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA243,312A Expired CA1057382A (en) | 1975-04-02 | 1976-01-12 | Temperature sensors with improved operating characteristics utilizing magnetic elements |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3950993A (enExample) |
| JP (1) | JPS51118482A (enExample) |
| AU (1) | AU1036076A (enExample) |
| BR (1) | BR7600296A (enExample) |
| CA (1) | CA1057382A (enExample) |
| DE (1) | DE2602614A1 (enExample) |
| FR (1) | FR2306440A1 (enExample) |
| NL (1) | NL7600911A (enExample) |
| SE (1) | SE7600317L (enExample) |
| ZA (1) | ZA76192B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4095468A (en) * | 1975-10-24 | 1978-06-20 | Illinois Tool Works Inc. | Two core magnetic temperature sensor |
| US4045787A (en) * | 1976-03-18 | 1977-08-30 | Illinois Tool Works Inc. | Sensors for sensing a plurality of parameters |
| US4371272A (en) * | 1980-08-29 | 1983-02-01 | Aisin Seiki Company, Limited | Thermodetector |
| US4576781A (en) * | 1981-07-28 | 1986-03-18 | United Kingdom Atomic Energy Authority | Temperature threshold detectors |
| FR2589566A1 (fr) * | 1985-11-06 | 1987-05-07 | Cegedur | Procede de mesure au defile et sans contact de l'epaisseur et de la temperature de feuilles metalliques minces au moyen de courants de foucault |
| DE4238862C2 (de) * | 1992-01-30 | 1997-02-06 | Daimler Benz Ag | Temperatursensor |
| JP3041645B2 (ja) * | 1992-02-05 | 2000-05-15 | アーエスエム オートマショーン、ゼンゾリック、メステクニック ゲーエムベーハー | 複数回転数に亘る回転角度の絶対測定のための角度位置センサ |
| DE102012010995A1 (de) * | 2012-06-02 | 2013-12-05 | Volkswagen Aktiengesellschaft | Elektromotor sowie Verfahren zur Bestimmung der Temperatur in dem Wickelkopf eines Elektromotors |
| US9291510B2 (en) * | 2012-06-19 | 2016-03-22 | Levex Corporation | Measuring apparatus |
| US9618396B1 (en) * | 2013-03-15 | 2017-04-11 | Hrl Laboratories, Llc | Thermomagnetic resonator-based temperature sensing |
| US9719863B1 (en) | 2013-03-15 | 2017-08-01 | Hrl Laboratories, Llc | Thermomagnetic temperature sensing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3154947A (en) * | 1964-11-03 | Linear solid state temperature | ||
| US2756595A (en) * | 1951-10-04 | 1956-07-31 | Hartford Nat Bank & Trust Co | Temperature measuring device |
| US2691130A (en) * | 1952-08-11 | 1954-10-05 | Honeywell Regulator Co | Bridge control circuits |
| US3026471A (en) * | 1958-09-27 | 1962-03-20 | Westinghouse Canada Ltd | Inductive devices |
-
1975
- 1975-04-02 US US05/564,578 patent/US3950993A/en not_active Expired - Lifetime
-
1976
- 1976-01-12 CA CA243,312A patent/CA1057382A/en not_active Expired
- 1976-01-13 ZA ZA760192A patent/ZA76192B/xx unknown
- 1976-01-14 SE SE7600317A patent/SE7600317L/xx unknown
- 1976-01-16 AU AU10360/76A patent/AU1036076A/en not_active Expired
- 1976-01-19 BR BR7600296A patent/BR7600296A/pt unknown
- 1976-01-24 DE DE19762602614 patent/DE2602614A1/de active Pending
- 1976-01-26 FR FR7602018A patent/FR2306440A1/fr active Granted
- 1976-01-29 NL NL7600911A patent/NL7600911A/xx unknown
- 1976-02-12 JP JP51013311A patent/JPS51118482A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7600911A (nl) | 1976-10-05 |
| BR7600296A (pt) | 1976-10-05 |
| AU1036076A (en) | 1977-07-21 |
| JPS51118482A (en) | 1976-10-18 |
| ZA76192B (en) | 1977-08-31 |
| DE2602614A1 (de) | 1976-10-07 |
| FR2306440A1 (fr) | 1976-10-29 |
| SE7600317L (sv) | 1976-10-03 |
| FR2306440B3 (enExample) | 1978-10-13 |
| US3950993A (en) | 1976-04-20 |
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