FR2496871A1 - Procede et dispositif de mesure de faibles distances entre deux pieces metalliques - Google Patents
Procede et dispositif de mesure de faibles distances entre deux pieces metalliques Download PDFInfo
- Publication number
- FR2496871A1 FR2496871A1 FR8027037A FR8027037A FR2496871A1 FR 2496871 A1 FR2496871 A1 FR 2496871A1 FR 8027037 A FR8027037 A FR 8027037A FR 8027037 A FR8027037 A FR 8027037A FR 2496871 A1 FR2496871 A1 FR 2496871A1
- Authority
- FR
- France
- Prior art keywords
- sensor
- piece
- capacitance
- support
- metallized
- 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.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title claims abstract description 17
- 238000005259 measurement Methods 0.000 title description 10
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000005297 pyrex Substances 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- 239000011819 refractory material Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims 1
- 229910052776 Thorium Inorganic materials 0.000 claims 1
- 230000003071 parasitic effect Effects 0.000 abstract description 4
- 239000000758 substrate Substances 0.000 abstract 3
- 150000002739 metals Chemical class 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000011088 calibration curve Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8027037A FR2496871A1 (fr) | 1980-12-19 | 1980-12-19 | Procede et dispositif de mesure de faibles distances entre deux pieces metalliques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8027037A FR2496871A1 (fr) | 1980-12-19 | 1980-12-19 | Procede et dispositif de mesure de faibles distances entre deux pieces metalliques |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2496871A1 true FR2496871A1 (fr) | 1982-06-25 |
| FR2496871B1 FR2496871B1 (forum.php) | 1985-05-17 |
Family
ID=9249300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8027037A Granted FR2496871A1 (fr) | 1980-12-19 | 1980-12-19 | Procede et dispositif de mesure de faibles distances entre deux pieces metalliques |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2496871A1 (forum.php) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0147294A3 (en) * | 1983-12-14 | 1986-07-16 | Hydro-Quebec | Apparatus and process for the dynamic contactless measuring of small distances |
| EP0246576A1 (de) * | 1986-05-23 | 1987-11-25 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Kapazitives Messsystem |
| US4804905A (en) * | 1984-09-11 | 1989-02-14 | Mtu Of Postfach | Capacitive measuring system for measuring the distance between two relatively movable parts |
| WO1997022846A1 (de) * | 1995-12-18 | 1997-06-26 | Forschungsinstitut Für Kfz.Wesen Und Fahrzeugmotoren | Verfahren und vorrichtung zur messung des abstandes bzw. der bewegung zwischen zwei durch eine dichtung getrennten maschinenteilen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930976A (en) * | 1956-05-31 | 1960-03-29 | Gen Mills Inc | Capacitance method and apparatus for gaging hole centers |
-
1980
- 1980-12-19 FR FR8027037A patent/FR2496871A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2930976A (en) * | 1956-05-31 | 1960-03-29 | Gen Mills Inc | Capacitance method and apparatus for gaging hole centers |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/62 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0147294A3 (en) * | 1983-12-14 | 1986-07-16 | Hydro-Quebec | Apparatus and process for the dynamic contactless measuring of small distances |
| US4675670A (en) * | 1983-12-14 | 1987-06-23 | Hydro Quebec | Apparatus for the dynamic and non-contact measurement of small distances |
| US4804905A (en) * | 1984-09-11 | 1989-02-14 | Mtu Of Postfach | Capacitive measuring system for measuring the distance between two relatively movable parts |
| EP0246576A1 (de) * | 1986-05-23 | 1987-11-25 | Mtu Motoren- Und Turbinen-Union MàNchen Gmbh | Kapazitives Messsystem |
| WO1997022846A1 (de) * | 1995-12-18 | 1997-06-26 | Forschungsinstitut Für Kfz.Wesen Und Fahrzeugmotoren | Verfahren und vorrichtung zur messung des abstandes bzw. der bewegung zwischen zwei durch eine dichtung getrennten maschinenteilen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2496871B1 (forum.php) | 1985-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |