FR938427A - Perfectionnements aux appareils indicateurs et de contrôle - Google Patents

Perfectionnements aux appareils indicateurs et de contrôle

Info

Publication number
FR938427A
FR938427A FR938427DA FR938427A FR 938427 A FR938427 A FR 938427A FR 938427D A FR938427D A FR 938427DA FR 938427 A FR938427 A FR 938427A
Authority
FR
France
Prior art keywords
indicating
control devices
devices
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
Other languages
English (en)
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.)
Liquidometer Corp
Original Assignee
Liquidometer Corp
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 Liquidometer Corp filed Critical Liquidometer Corp
Application granted granted Critical
Publication of FR938427A publication Critical patent/FR938427A/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
    • G01F23/26—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR938427D 1944-12-11 1946-10-09 Perfectionnements aux appareils indicateurs et de contrôle Expired FR938427A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938427XA 1944-12-11 1944-12-11

Publications (1)

Publication Number Publication Date
FR938427A true FR938427A (fr) 1948-09-15

Family

ID=22241123

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938427D Expired FR938427A (fr) 1944-12-11 1946-10-09 Perfectionnements aux appareils indicateurs et de contrôle

Country Status (1)

Country Link
FR (1) FR938427A (fr)

Similar Documents

Publication Publication Date Title
FR971736A (fr) Perfectionnements aux systèmes et dispositifs de contrôle
FR938427A (fr) Perfectionnements aux appareils indicateurs et de contrôle
FR909122A (fr) Perfectionnements aux appareils à tarauder
FR926035A (fr) Perfectionnements aux appareils téléimprimeurs
FR915873A (fr) Perfectionnements aux appareils de contrôle électriques
FR938240A (fr) Perfectionnements aux appareils de contrôle
FR991639A (fr) Perfectionnements aux appareils distributeurs de fluides
FR992326A (fr) Perfectionnements apportés aux appareils de sécurité
FR934385A (fr) Perfectionnements aux appareils indicateurs et enregistreurs
FR925739A (fr) Perfectionnements aux appareils de contrôle
FR938569A (fr) Perfectionnements aux appareils indicateurs
FR1016909A (fr) Perfectionnements aux appareils indicateurs
FR940158A (fr) Perfectionnements aux appareils frigorifiques
FR994103A (fr) Perfectionnements aux appareils frigorifiques
FR949675A (fr) Perfectionnements aux appareils radar
FR908915A (fr) Perfectionnement aux appareils de radio-guidage
FR908455A (fr) Appareil de contrôle médical
FR913304A (fr) Perfectionnements aux interrupteurs et commutateurs électriques
FR908565A (fr) Appareil de contrôle
FR951415A (fr) Perfectionnements aux appareils de projection
FR938662A (fr) Perfectionnements aux appareils télémétriques
FR917617A (fr) Perfectionnements aux appareils indicateurs et contrôleurs de soudure
FR944052A (fr) Perfectionnements aux dispositifs de contrôle
FR919899A (fr) Perfectionnements aux appareils de commande de fluides
FR905445A (fr) Perfectionnements apportés aux appareils radio