FR56223E - Commande thermomagnétique automatique - Google Patents

Commande thermomagnétique automatique

Info

Publication number
FR56223E
FR56223E FR56223DA FR56223E FR 56223 E FR56223 E FR 56223E FR 56223D A FR56223D A FR 56223DA FR 56223 E FR56223 E FR 56223E
Authority
FR
France
Prior art keywords
automatic
thermomagnetic
control
thermomagnetic control
automatic thermomagnetic
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
Georges Valensi
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 FR56223E publication Critical patent/FR56223E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
    • G01K7/38—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils the variations of temperature influencing the magnetic permeability
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/74—Interface circuits for coupling substations to external telephone lines with means for reducing interference; with means for reducing effects due to line faults
    • H04M1/745—Protection devices or circuits for voltages surges on the line

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Signal Processing (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
FR56223D 1944-09-08 1946-06-20 Commande thermomagnétique automatique Expired FR56223E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993963T 1944-09-08

Publications (1)

Publication Number Publication Date
FR56223E true FR56223E (fr) 1952-09-19

Family

ID=9556016

Family Applications (3)

Application Number Title Priority Date Filing Date
FR993963D Expired FR993963A (fr) 1944-09-08 1944-09-08 Commande thermomagnétique automatique
FR56224D Expired FR56224E (fr) 1944-09-08 1946-06-20 Commande thermomagnétique automatique
FR56223D Expired FR56223E (fr) 1944-09-08 1946-06-20 Commande thermomagnétique automatique

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR993963D Expired FR993963A (fr) 1944-09-08 1944-09-08 Commande thermomagnétique automatique
FR56224D Expired FR56224E (fr) 1944-09-08 1946-06-20 Commande thermomagnétique automatique

Country Status (2)

Country Link
FR (3) FR993963A (fr)
GB (1) GB623707A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926343A (en) * 1956-10-11 1960-02-23 Mc Graw Edison Co Curie point fire detector cable
DE1294704B (de) * 1961-01-20 1969-05-08 Electronique Appliquee Anordnung zur temperaturabhaengigen Ausloesung von elektrischen Vorgaengen

Also Published As

Publication number Publication date
FR56224E (fr) 1952-09-19
GB623707A (en) 1949-05-20
FR993963A (fr) 1951-11-09

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