FR2146224A1 - - Google Patents
Info
- Publication number
- FR2146224A1 FR2146224A1 FR7223473A FR7223473A FR2146224A1 FR 2146224 A1 FR2146224 A1 FR 2146224A1 FR 7223473 A FR7223473 A FR 7223473A FR 7223473 A FR7223473 A FR 7223473A FR 2146224 A1 FR2146224 A1 FR 2146224A1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
- H01H36/02—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding actuated by movement of a float carrying a magnet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/32—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements
- G01F23/38—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using rotatable arms or other pivotable transmission elements using magnetically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3425071A GB1388845A (en) | 1971-07-21 | 1971-07-21 | Magnet switch for liquid containers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2146224A1 true FR2146224A1 (it) | 1973-03-02 |
| FR2146224B1 FR2146224B1 (it) | 1976-01-16 |
Family
ID=10363297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7223473A Expired FR2146224B1 (it) | 1971-07-21 | 1972-06-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3751616A (it) |
| DE (2) | DE7226377U (it) |
| FR (1) | FR2146224B1 (it) |
| GB (1) | GB1388845A (it) |
| IT (1) | IT961473B (it) |
| NL (1) | NL7209248A (it) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2744901C2 (de) * | 1977-10-06 | 1985-06-13 | Turbo-Werk Messtechnik GmbH, 5000 Köln | Wächter für den Durchfluß oder Füllstand von Medien |
| DE2838723C3 (de) * | 1978-09-06 | 1982-03-04 | Sunvic Regler Gmbh, 5650 Solingen | Flüssigkeitsstand-Signalgeber |
| JPS601569B2 (ja) * | 1979-06-07 | 1985-01-16 | 日産自動車株式会社 | 液面警報装置 |
| JPS601568B2 (ja) * | 1979-06-07 | 1985-01-16 | 日産自動車株式会社 | 液面警報装置 |
| US4513185A (en) * | 1982-01-19 | 1985-04-23 | Lucas Industries | Float operated electrical switch assembly |
| DE3203110A1 (de) * | 1982-01-30 | 1983-08-18 | Sunvic Regler Gmbh, 5650 Solingen | Elektrischer messumformer fuer fuellstand |
| US5374790A (en) * | 1993-02-05 | 1994-12-20 | Rochester Gauges, Inc. | Liquid level switch assembly |
| GB9603489D0 (en) * | 1996-02-20 | 1996-04-17 | Elfab Ltd | Fluid flow detection device |
| GB2350233B (en) | 1999-05-21 | 2001-07-18 | Breed Automotive Tech | Float sensor employing reed switch |
| US6892573B2 (en) * | 2003-04-10 | 2005-05-17 | Key Safety Systems, Inc. | Side-mountable fluid level sensor |
| US20150083557A1 (en) * | 2013-09-26 | 2015-03-26 | New Widetech Industries Co., Ltd. | Water tank with a magnetic reed switch |
| US10141141B2 (en) * | 2016-02-26 | 2018-11-27 | S. J. Electro Systems, Inc. | Magnetically actuated switch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2927176A (en) * | 1955-01-06 | 1960-03-01 | Phillips Aviat Co | Magnetic switch mechanism |
| US2857492A (en) * | 1956-02-01 | 1958-10-21 | Edmund A Kathe | Liquid level control switch |
| US2887546A (en) * | 1957-06-26 | 1959-05-19 | W E Anderson Inc | High pressure, explosion proof, fluid flow controlled electrical switch |
| US3322917A (en) * | 1966-01-25 | 1967-05-30 | Black Sivalls & Bryson Inc | Float switch |
| US3359385A (en) * | 1966-06-09 | 1967-12-19 | Caterpillar Tractor Co | Flow sensing device |
| US3421124A (en) * | 1967-03-17 | 1969-01-07 | Joseph V Kidd | Detector switch |
-
1971
- 1971-07-21 GB GB3425071A patent/GB1388845A/en not_active Expired
-
1972
- 1972-06-28 US US00267221A patent/US3751616A/en not_active Expired - Lifetime
- 1972-06-29 FR FR7223473A patent/FR2146224B1/fr not_active Expired
- 1972-06-30 NL NL7209248A patent/NL7209248A/xx unknown
- 1972-07-15 DE DE7226377U patent/DE7226377U/de not_active Expired
- 1972-07-15 DE DE2234861A patent/DE2234861A1/de active Pending
- 1972-07-19 IT IT51623/72A patent/IT961473B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| NL7209248A (it) | 1973-01-23 |
| IT961473B (it) | 1973-12-10 |
| FR2146224B1 (it) | 1976-01-16 |
| DE7226377U (de) | 1975-09-04 |
| GB1388845A (en) | 1975-03-26 |
| US3751616A (en) | 1973-08-07 |
| DE2234861A1 (de) | 1973-02-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| TP | Transmission of property | ||
| ST | Notification of lapse |