FR939693A - Dispositif automatique de commande d'appareil électrique - Google Patents

Dispositif automatique de commande d'appareil électrique

Info

Publication number
FR939693A
FR939693A FR939693DA FR939693A FR 939693 A FR939693 A FR 939693A FR 939693D A FR939693D A FR 939693DA FR 939693 A FR939693 A FR 939693A
Authority
FR
France
Prior art keywords
controlling
electrical appliance
automatic device
automatic
appliance
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)
French (fr)
Inventor
Georges Cowan Sutherland
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 FR939693A publication Critical patent/FR939693A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/018—Automatic controllers electric details of the transmission means using thermal amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/68—Power reset mechanisms actuated by electromagnet
    • H01H71/685—Power reset mechanisms actuated by electromagnet in which the excitation of the electromagnet is interrupted by abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Breakers (AREA)
FR939693D 1946-12-05 1947-01-13 Dispositif automatique de commande d'appareil électrique Expired FR939693A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3598346A GB619369A (en) 1946-12-05 1946-12-05 Automatic overload protective devices for electrical apparatus

Publications (1)

Publication Number Publication Date
FR939693A true FR939693A (fr) 1948-11-22

Family

ID=10383676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939693D Expired FR939693A (fr) 1946-12-05 1947-01-13 Dispositif automatique de commande d'appareil électrique

Country Status (4)

Country Link
BE (1) BE470461A (pm)
FR (1) FR939693A (pm)
GB (1) GB619369A (pm)
NL (1) NL129448C (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4906881B2 (ja) * 2009-03-27 2012-03-28 富士電機機器制御株式会社 熱動形過負荷継電器

Also Published As

Publication number Publication date
BE470461A (pm)
NL129448C (pm)
GB619369A (en) 1949-03-08

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