FR2643711B1 - Dispositif de detection de liquide - Google Patents

Dispositif de detection de liquide

Info

Publication number
FR2643711B1
FR2643711B1 FR8902487A FR8902487A FR2643711B1 FR 2643711 B1 FR2643711 B1 FR 2643711B1 FR 8902487 A FR8902487 A FR 8902487A FR 8902487 A FR8902487 A FR 8902487A FR 2643711 B1 FR2643711 B1 FR 2643711B1
Authority
FR
France
Prior art keywords
detection device
liquid detection
liquid
detection
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 - Fee Related
Application number
FR8902487A
Other languages
English (en)
Other versions
FR2643711A1 (fr
Inventor
Jose-Philippe Lefebvre
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.)
EBEL SPRL
Original Assignee
EBEL SPRL
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 EBEL SPRL filed Critical EBEL SPRL
Priority to FR8902487A priority Critical patent/FR2643711B1/fr
Publication of FR2643711A1 publication Critical patent/FR2643711A1/fr
Application granted granted Critical
Publication of FR2643711B1 publication Critical patent/FR2643711B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/20—Status alarms responsive to moisture
    • 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR8902487A 1989-02-27 1989-02-27 Dispositif de detection de liquide Expired - Fee Related FR2643711B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8902487A FR2643711B1 (fr) 1989-02-27 1989-02-27 Dispositif de detection de liquide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8902487A FR2643711B1 (fr) 1989-02-27 1989-02-27 Dispositif de detection de liquide

Publications (2)

Publication Number Publication Date
FR2643711A1 FR2643711A1 (fr) 1990-08-31
FR2643711B1 true FR2643711B1 (fr) 1992-12-31

Family

ID=9379136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8902487A Expired - Fee Related FR2643711B1 (fr) 1989-02-27 1989-02-27 Dispositif de detection de liquide

Country Status (1)

Country Link
FR (1) FR2643711B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2536697C2 (ru) * 2013-07-31 2014-12-27 Владимир Алексеевич Небольсин Антивандальный лифт

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2229049A1 (en) * 1973-05-10 1974-12-06 Chatelain Ets Electronic control of plant watering eqpt - conductivity measurements operate transistor lamp driver circuit for level control
GB2062238A (en) * 1979-10-15 1981-05-20 Ponting I M An impedance measuring system
GB2145859A (en) * 1983-08-30 1985-04-03 Kek How Ng Lift urine/wetting alarm system
DE3713031A1 (de) * 1987-04-16 1988-11-03 Kuebler Heinrich Wasserwaechter

Also Published As

Publication number Publication date
FR2643711A1 (fr) 1990-08-31

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Legal Events

Date Code Title Description
ST Notification of lapse