FR1479919A - Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors - Google Patents

Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors

Info

Publication number
FR1479919A
FR1479919A FR67008601A FR67008601A FR1479919A FR 1479919 A FR1479919 A FR 1479919A FR 67008601 A FR67008601 A FR 67008601A FR 67008601 A FR67008601 A FR 67008601A FR 1479919 A FR1479919 A FR 1479919A
Authority
FR
France
Prior art keywords
regulation
indication
detection
electronic device
control
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
FR67008601A
Other languages
French (fr)
Inventor
Andre Georg
Hubert Schaub
Jean-Pierre Roussel
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
Priority to FR67008601A priority Critical patent/FR1479919A/en
Application granted granted Critical
Publication of FR1479919A publication Critical patent/FR1479919A/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
    • G01F23/24—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
    • G01F23/246—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 thermal devices
    • G01F23/247—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 thermal devices for discrete levels
FR67008601A 1966-05-12 1966-05-12 Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors Expired FR1479919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR67008601A FR1479919A (en) 1966-05-12 1966-05-12 Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67008601A FR1479919A (en) 1966-05-12 1966-05-12 Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors

Publications (1)

Publication Number Publication Date
FR1479919A true FR1479919A (en) 1967-05-05

Family

ID=1585072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67008601A Expired FR1479919A (en) 1966-05-12 1966-05-12 Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors

Country Status (1)

Country Link
FR (1) FR1479919A (en)

Similar Documents

Publication Publication Date Title
FR1510542A (en) Temperature control and alarm device
FR1479919A (en) Electronic device for the detection, indication, control and regulation of liquid levels by positive temperature coefficient thermistors
FR1459330A (en) Device for regulating the temperature of a medium or the like and its various applications
FR1506694A (en) Temperature detection device
FR1426596A (en) Temperature detection and control device
FR1510480A (en) Temperature sensitive warning device
CH486633A (en) Temperature sensitive control valve device
FR1483908A (en) High temperature gas cleaning device and applications
FR1487705A (en) Temperature sensitive operating device
FR1316982A (en) Device reducing the time constant of resistors whose value depends on the temperature
FR1407258A (en) Temperature detection and control device and its various applications
FR1452779A (en) Electronic temperature control device
FR1307048A (en) Temperature control and liquid circulation device
FR1473980A (en) Temperature control device
CH503269A (en) Temperature indicating device
FR1456419A (en) Temperature regulation device
FR1428335A (en) Temperature and pressure sensitive safety device
FR1419959A (en) Temperature sensitive device
FR1492299A (en) Pumping device for liquids with low boiling temperature
FR1389170A (en) Device for adjusting the temperature of an oven or similar device
FR1403574A (en) Temperature indicating and control device and its various applications
FR1448664A (en) Temperature sensitive device
FR1531826A (en) Electronic device for temperature determination
FR1430813A (en) Device applicable to temperature regulators of refrigerators
FR1481551A (en) Temperature sensitive device