FR1162312A - Dispositif détecteur perfectionné - Google Patents
Dispositif détecteur perfectionnéInfo
- 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
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)
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)
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 |
-
1956
- 1956-11-09 FR FR1162312D patent/FR1162312A/fr not_active Expired
Cited By (2)
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 |
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