FR1162312A - Dispositif détecteur perfectionné - Google Patents

Dispositif détecteur perfectionné

Info

Publication number
FR1162312A
FR1162312A FR1162312DA FR1162312A FR 1162312 A FR1162312 A FR 1162312A FR 1162312D A FR1162312D A FR 1162312DA FR 1162312 A FR1162312 A FR 1162312A
Authority
FR
France
Prior art keywords
detector device
advanced detector
advanced
detector
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
Other languages
English (en)
Inventor
Jean-Auguste-Henri Bidault
Jean-Francois-Alexan Brun
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 filed Critical
Application granted granted Critical
Publication of FR1162312A publication Critical patent/FR1162312A/fr
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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/0006—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances
    • G01P13/0013—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid
    • G01P13/002—Indicating or recording presence, absence, or direction, of movement of fluids or of granulous or powder-like substances by using a solid body which is shifted by the action of the fluid with electrical coupling to the indicating devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
FR1162312D 1956-11-09 1956-11-09 Dispositif détecteur perfectionné Expired FR1162312A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1162312T 1956-11-09

Publications (1)

Publication Number Publication Date
FR1162312A true FR1162312A (fr) 1958-09-11

Family

ID=9652903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1162312D Expired FR1162312A (fr) 1956-11-09 1956-11-09 Dispositif détecteur perfectionné

Country Status (1)

Country Link
FR (1) FR1162312A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933618A1 (de) * 1979-08-20 1981-03-26 Vega Grieshaber Kg, 77709 Wolfach Vorrichtung zur feststellung und/oder kontrolle eines bestimmten fuellstandes in einem behaelter
EP0079422A1 (fr) * 1981-10-29 1983-05-25 Edo Western Corporation Procédé et appareil pour la détection de la présence d'un liquide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2933618A1 (de) * 1979-08-20 1981-03-26 Vega Grieshaber Kg, 77709 Wolfach Vorrichtung zur feststellung und/oder kontrolle eines bestimmten fuellstandes in einem behaelter
EP0079422A1 (fr) * 1981-10-29 1983-05-25 Edo Western Corporation Procédé et appareil pour la détection de la présence d'un liquide

Similar Documents

Publication Publication Date Title
FR1173400A (fr) Dispositif semi-conducteur
FR1169377A (fr) Dispositif semi-conducteur
FR1164873A (fr) Dispositif de calibrage
FR1172900A (fr) Dispositif semi-conducteur
FR1153145A (fr) Dispositif de manutention
FR1180328A (fr) Dispositif photoconducteur
FR1177796A (fr) Dispositif thermostatique
FR1184655A (fr) Dispositif radioscopique
FR1162312A (fr) Dispositif détecteur perfectionné
FR1145509A (fr) Dispositif de sélection
FR1170849A (fr) Dispositif de modulation perfectionné
FR1204597A (fr) Dispositif de récupération perfectionné
FR1176512A (fr) Dispositif de boisage
FR1146253A (fr) Dispositif thermostatique
FR1182588A (fr) Dispositif de couteau
FR1158166A (fr) Dispositif perfectionné de raclage
CH363257A (de) Verschlusseinrichtung
FR69958E (fr) Dispositif de blocage
FR1171206A (fr) Dispositif vaporisateur-insufflateur perfectionné
FR1166130A (fr) Dispositif enrouleur
FR1150988A (fr) Dispositif anti-gouttes
FR1178690A (fr) Dispositif retardateur
FR1174144A (fr) Dispositif wobulateur
FR1143919A (fr) Dispositif de serrage
FR1173671A (fr) Dispositif intégrateur