FR2458408A1 - Dispositif de contact electrique pour la surveillance de la pression dans le pneu d'un vehicule automobile - Google Patents
Dispositif de contact electrique pour la surveillance de la pression dans le pneu d'un vehicule automobile Download PDFInfo
- Publication number
- FR2458408A1 FR2458408A1 FR8013040A FR8013040A FR2458408A1 FR 2458408 A1 FR2458408 A1 FR 2458408A1 FR 8013040 A FR8013040 A FR 8013040A FR 8013040 A FR8013040 A FR 8013040A FR 2458408 A1 FR2458408 A1 FR 2458408A1
- Authority
- FR
- France
- Prior art keywords
- rod
- tire
- membrane
- pressure
- contact
- 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
- 238000012544 monitoring process Methods 0.000 title claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims description 18
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
- H01H35/346—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm in which the movable contact is formed or directly supported by the diaphragm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792923258 DE2923258A1 (de) | 1979-06-08 | 1979-06-08 | Elektrische kontaktvorrichtung zur ueberwachung des druckes im reifen eines kraftfahrzeugrades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2458408A1 true FR2458408A1 (fr) | 1981-01-02 |
| FR2458408B1 FR2458408B1 (ref) | 1984-06-15 |
Family
ID=6072783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8013040A Granted FR2458408A1 (fr) | 1979-06-08 | 1980-06-09 | Dispositif de contact electrique pour la surveillance de la pression dans le pneu d'un vehicule automobile |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2923258A1 (ref) |
| FR (1) | FR2458408A1 (ref) |
| GB (1) | GB2052162B (ref) |
| IT (1) | IT1131292B (ref) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2638888A1 (fr) * | 1988-11-09 | 1990-05-11 | Crouzet Sa | Dispositif perfectionne de commutation electrique |
| EP2208623B1 (de) | 2009-01-08 | 2014-11-19 | Global Dynamix AG | Ventilvorrichtung, Fahrzeugreifendruckmesseinheit und Fahrzeugreifendrucksystem |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1204132A (en) * | 1967-01-20 | 1970-09-03 | Smiths Industries Ltd | Improvements in or relating to switches operable by fluid pressure |
| US3544745A (en) * | 1968-08-20 | 1970-12-01 | Spati Ind Inc | Sensor |
| GB2019651A (en) * | 1978-04-25 | 1979-10-31 | Pruss G | Apparatus for providing an indication of a drop in pressure in a pneumatic tyre fitted to a motor vehicle |
| DE2854518A1 (de) * | 1978-12-16 | 1980-06-26 | Pruss Gunter | Vorrichtung zur ueberwachung und anzeige des kraftfahrzeugreifendruckes |
-
1979
- 1979-06-08 DE DE19792923258 patent/DE2923258A1/de not_active Withdrawn
-
1980
- 1980-05-30 GB GB8017702A patent/GB2052162B/en not_active Expired
- 1980-06-06 IT IT22621/80A patent/IT1131292B/it active
- 1980-06-09 FR FR8013040A patent/FR2458408A1/fr active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1204132A (en) * | 1967-01-20 | 1970-09-03 | Smiths Industries Ltd | Improvements in or relating to switches operable by fluid pressure |
| US3544745A (en) * | 1968-08-20 | 1970-12-01 | Spati Ind Inc | Sensor |
| GB2019651A (en) * | 1978-04-25 | 1979-10-31 | Pruss G | Apparatus for providing an indication of a drop in pressure in a pneumatic tyre fitted to a motor vehicle |
| DE2854518A1 (de) * | 1978-12-16 | 1980-06-26 | Pruss Gunter | Vorrichtung zur ueberwachung und anzeige des kraftfahrzeugreifendruckes |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2052162A (en) | 1981-01-21 |
| GB2052162B (en) | 1983-04-20 |
| IT1131292B (it) | 1986-06-18 |
| DE2923258A1 (de) | 1980-12-18 |
| FR2458408B1 (ref) | 1984-06-15 |
| IT8022621A0 (it) | 1980-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |