DE3017577C2 - Detektor zur berührungsfreien, magnetischen Überwachung des Vorhandenseins oder Fehlens eines Gegenstandes - Google Patents
Detektor zur berührungsfreien, magnetischen Überwachung des Vorhandenseins oder Fehlens eines GegenstandesInfo
- Publication number
- DE3017577C2 DE3017577C2 DE19803017577 DE3017577A DE3017577C2 DE 3017577 C2 DE3017577 C2 DE 3017577C2 DE 19803017577 DE19803017577 DE 19803017577 DE 3017577 A DE3017577 A DE 3017577A DE 3017577 C2 DE3017577 C2 DE 3017577C2
- Authority
- DE
- Germany
- Prior art keywords
- housing
- core
- detector
- conductive wire
- inorganic
- 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
- 238000012544 monitoring process Methods 0.000 title claims description 3
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 239000012671 ceramic insulating material Substances 0.000 claims description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- -1 such as an inorganic Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Electronic Switches (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54061634A JPS6041815B2 (ja) | 1979-05-18 | 1979-05-18 | 近接スイツチ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3017577A1 DE3017577A1 (de) | 1980-11-20 |
| DE3017577C2 true DE3017577C2 (de) | 1987-01-02 |
Family
ID=13176816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803017577 Expired DE3017577C2 (de) | 1979-05-18 | 1980-05-08 | Detektor zur berührungsfreien, magnetischen Überwachung des Vorhandenseins oder Fehlens eines Gegenstandes |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS6041815B2 (pt-PT) |
| DE (1) | DE3017577C2 (pt-PT) |
| GB (1) | GB2054157B (pt-PT) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038017A1 (de) * | 1990-11-29 | 1992-06-04 | Ego Elektro Blanc & Fischer | Elektrokochplatte |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408159A (en) * | 1981-04-02 | 1983-10-04 | Abex Corporation | Proximity sensing head |
| JPH0677423B2 (ja) * | 1984-05-17 | 1994-09-28 | オムロン株式会社 | 近接センサ |
| IT1199159B (it) * | 1984-07-13 | 1988-12-30 | Centro Speriment Metallurg | Sonda per il controllo dei difetti superficiali di corpi metallici ad alta temperatura |
| JPH02228519A (ja) * | 1989-03-02 | 1990-09-11 | Murata Mfg Co Ltd | 振動子の支持構造 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE822169C (de) * | 1950-03-22 | 1951-11-22 | Eduard Vogel Dipl Ing | Wasser- und luftdichtes Gehaeuse fuer Uhren und andere Instrumente |
| DE1111706B (de) * | 1958-07-07 | 1961-07-27 | Elektro App Werke J W Stalin V | Elektrisches Relais oder elektrischer Schalter in gekapselter Ausfuehrung |
| GB1040693A (en) * | 1961-09-15 | 1966-09-01 | English Electric Co Ltd | Improvements in and relating to electro-magnetic proximity devices and apparatus incorporating such devices |
| US3349323A (en) * | 1964-08-19 | 1967-10-24 | Robert D Mullen | Apparatus and methods employing magnetic reed switches and static and varying bias fields for detecting magnetic phenomena |
| LU61012A1 (pt-PT) * | 1969-06-03 | 1970-07-28 | ||
| JPS4845653U (pt-PT) * | 1971-09-30 | 1973-06-14 | ||
| DE2509787C2 (de) * | 1975-03-06 | 1982-06-16 | Hans Heinrich Prof. Dr.-Ing. 3300 Braunschweig Emschermann | Temperatur-Schutzgefäß für Meßeinrichtungen oder Teile von Meßeinrichtungen |
-
1979
- 1979-05-18 JP JP54061634A patent/JPS6041815B2/ja not_active Expired
-
1980
- 1980-05-08 DE DE19803017577 patent/DE3017577C2/de not_active Expired
- 1980-05-16 GB GB8016251A patent/GB2054157B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038017A1 (de) * | 1990-11-29 | 1992-06-04 | Ego Elektro Blanc & Fischer | Elektrokochplatte |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3017577A1 (de) | 1980-11-20 |
| JPS6041815B2 (ja) | 1985-09-19 |
| GB2054157B (en) | 1983-09-21 |
| GB2054157A (en) | 1981-02-11 |
| JPS55154023A (en) | 1980-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE68915241T2 (de) | Nach dem Coriolis-Prinzip arbeitender Hochtemperatur-Massendurchflussmesser. | |
| DE69323126T2 (de) | Schutzsensor für Elektromotor | |
| DE10211034A1 (de) | Temperatursensor | |
| EP0053382B1 (de) | Kontrollsystem zur Lecküberwachung von Rohrleitungen | |
| DE2907032A1 (de) | Elektrochemischer messfuehler fuer die bestimmung des sauerstoffgehaltes in gasen, insbesondere in abgasen von verbrennungsmotoren | |
| DE2309825A1 (de) | Anschlussanordnungen | |
| DE3883613T2 (de) | Widerstandstemperaturfühler. | |
| DE102004007906B4 (de) | Keramisch isolierter Hochtemperatursensor | |
| EP0774650A1 (de) | Temperatur-Sensor | |
| DE3733693C2 (de) | Temperaturschalteinrichtung | |
| DE2413909A1 (de) | Temperaturfuehler | |
| DE3017577C2 (de) | Detektor zur berührungsfreien, magnetischen Überwachung des Vorhandenseins oder Fehlens eines Gegenstandes | |
| DE3417170A1 (de) | Sauerstoffuehler mit heizeinrichtung | |
| DE10158529A1 (de) | Temperatur sensor | |
| DE4017968C2 (pt-PT) | ||
| DE1648273A1 (de) | Messsonde | |
| DE3232333A1 (de) | Niveaufuehler fuer fluessigkeiten, insbesondere zur bestimmung des fuellstandes der bremsfluessigkeit oder des tankinhaltes in kraftfahrzeugen | |
| DE1834764U (de) | Thermoelement. | |
| DE2632249C3 (de) | Elektrochemischer Meßfühler | |
| DE2142638B2 (de) | Transformator zum erzeugen der ruecklaufspannung fuer den zeilenruecklauf in fernsehempfaengern | |
| DE19534918A1 (de) | Sensor zur Messung von Gaskonzentrationen | |
| EP0701110A2 (de) | Kapazitive Sonde zur Überwachung von Flüssigkeit in einem Behälter | |
| EP0005838A1 (de) | Induktionstiegelofen | |
| EP0133502A2 (de) | Sonde zur Feststellung von brennbaren Gasen | |
| WO1997004306A1 (de) | Sensor zur messung von gaskonzentrationen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAP | Request for examination filed | ||
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |