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
Application number
FR7223473A
Other languages
French (fr)
Other versions
FR2146224B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TRIST CONTROLS Ltd RONALD
Original Assignee
TRIST CONTROLS Ltd RONALD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TRIST CONTROLS Ltd RONALD filed Critical TRIST CONTROLS Ltd RONALD
Publication of FR2146224A1 publication Critical patent/FR2146224A1/fr
Application granted granted Critical
Publication of FR2146224B1 publication Critical patent/FR2146224B1/fr
Expired legal-status Critical Current

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)
FR7223473A 1971-07-21 1972-06-29 Expired FR2146224B1 (en)

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 (en) 1973-03-02
FR2146224B1 FR2146224B1 (en) 1976-01-16

Family

ID=10363297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7223473A Expired FR2146224B1 (en) 1971-07-21 1972-06-29

Country Status (6)

Country Link
US (1) US3751616A (en)
DE (2) DE2234861A1 (en)
FR (1) FR2146224B1 (en)
GB (1) GB1388845A (en)
IT (1) IT961473B (en)
NL (1) NL7209248A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744901C2 (en) * 1977-10-06 1985-06-13 Turbo-Werk Messtechnik GmbH, 5000 Köln Monitor for the flow or level of media
DE2838723C3 (en) * 1978-09-06 1982-03-04 Sunvic Regler Gmbh, 5650 Solingen Liquid level signal transmitter
JPS601569B2 (en) * 1979-06-07 1985-01-16 日産自動車株式会社 Liquid level alarm device
JPS601568B2 (en) * 1979-06-07 1985-01-16 日産自動車株式会社 Liquid level alarm device
US4513185A (en) * 1982-01-19 1985-04-23 Lucas Industries Float operated electrical switch assembly
DE3203110A1 (en) * 1982-01-30 1983-08-18 Sunvic Regler Gmbh, 5650 Solingen ELECTRICAL TRANSMITTER FOR LEVEL
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3751616A (en) 1973-08-07
DE7226377U (en) 1975-09-04
GB1388845A (en) 1975-03-26
FR2146224B1 (en) 1976-01-16
DE2234861A1 (en) 1973-02-01
NL7209248A (en) 1973-01-23
IT961473B (en) 1973-12-10

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse