FR2572519B1 - LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER - Google Patents

LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER

Info

Publication number
FR2572519B1
FR2572519B1 FR8416342A FR8416342A FR2572519B1 FR 2572519 B1 FR2572519 B1 FR 2572519B1 FR 8416342 A FR8416342 A FR 8416342A FR 8416342 A FR8416342 A FR 8416342A FR 2572519 B1 FR2572519 B1 FR 2572519B1
Authority
FR
France
Prior art keywords
electro
level detector
mechanical transducer
transducer
mechanical
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
Application number
FR8416342A
Other languages
French (fr)
Other versions
FR2572519A1 (en
Inventor
Philippe Andre Reymond
Georges Bouveret
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.)
Jaeger SA
Original Assignee
Jaeger SA
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 Jaeger SA filed Critical Jaeger SA
Priority to FR8416342A priority Critical patent/FR2572519B1/en
Publication of FR2572519A1 publication Critical patent/FR2572519A1/en
Application granted granted Critical
Publication of FR2572519B1 publication Critical patent/FR2572519B1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves
    • G01F23/2967—Acoustic waves making use of acoustical resonance or standing waves for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
FR8416342A 1984-10-25 1984-10-25 LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER Expired FR2572519B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8416342A FR2572519B1 (en) 1984-10-25 1984-10-25 LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416342A FR2572519B1 (en) 1984-10-25 1984-10-25 LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER

Publications (2)

Publication Number Publication Date
FR2572519A1 FR2572519A1 (en) 1986-05-02
FR2572519B1 true FR2572519B1 (en) 1989-09-22

Family

ID=9308997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8416342A Expired FR2572519B1 (en) 1984-10-25 1984-10-25 LEVEL DETECTOR WITH ELECTRO-MECHANICAL TRANSDUCER

Country Status (1)

Country Link
FR (1) FR2572519B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102177421B (en) * 2008-10-07 2013-03-06 恩德莱斯和豪瑟尔两合公司 Device for determining and/or monitoring a process parameter of a medium

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538740A1 (en) * 1985-10-31 1987-05-07 Vdo Schindling DEVICE FOR DETECTING THE LEVEL IN A CONTAINER
DE3543529A1 (en) * 1985-12-10 1987-06-11 Vdo Schindling DEVICE FOR DETECTING THE LEVEL, IN PARTICULAR, OF A LIQUID IN A CONTAINER
CH683375A5 (en) * 1991-10-01 1994-02-28 Vibro Meter Ag Detecting presence, level or condition of fluid - using evaluation circuit to register frequency of diaphragm inserted flush into wall of vessel
DE4402234C1 (en) * 1994-01-26 1995-04-20 Endress Hauser Gmbh Co Process and arrangement for determining and/or monitoring a predetermined filling level in a container
US7383727B2 (en) 1999-05-20 2008-06-10 Seiko Epson Corporation Liquid cotainer having a liquid consumption detecting device therein
WO2001087627A1 (en) 2000-05-18 2001-11-22 Seiko Epson Corporation Ink consumption detecting method, and ink jet recording apparatus
US6793305B2 (en) 2000-05-18 2004-09-21 Seiko Epson Corporation Method and apparatus for detecting consumption of ink
MY131891A (en) 2000-05-18 2007-09-28 Seiko Epson Corp Mounting structure, module, and liquid container
ES2306298T3 (en) 2000-06-15 2008-11-01 Seiko Epson Corporation LIQUID LOAD PROCEDURE, LIQUID CONTAINER AND MANUFACTURING PROCEDURE OF THE SAME.
EP1176403A3 (en) * 2000-07-28 2003-03-19 Seiko Epson Corporation Detector of liquid consumption condition

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050720A (en) * 1958-12-17 1962-08-21 Gen Ultrasonics Company System for sensing a change in an ambient condition
DE1673972B2 (en) * 1968-03-16 1973-05-24 Lehmann, Walter, 1000 Berlin DEVICE FOR DISPLAYING THE LEVEL OF STORED GOODS IN CONTAINERS
GB1406146A (en) * 1973-05-21 1975-09-17 Mullard Ltd Level sensor
FR2436372A1 (en) * 1978-09-13 1980-04-11 Cit Alcatel Level monitoring device for fluid and powder hoppers - uses current drawn by ultrasonic transducers to control indicator lights
US4540981A (en) * 1981-10-29 1985-09-10 Edo Western Corporation Method and apparatus for detecting the presence of liquid
DE3304223A1 (en) * 1983-02-08 1984-08-16 VEGA Grieshaber GmbH & Co, 7620 Wolfach Method and device for detecting the presence or absence of a substance at a detector or the distance between substance and detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102177421B (en) * 2008-10-07 2013-03-06 恩德莱斯和豪瑟尔两合公司 Device for determining and/or monitoring a process parameter of a medium

Also Published As

Publication number Publication date
FR2572519A1 (en) 1986-05-02

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Legal Events

Date Code Title Description
ST Notification of lapse