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

Dispositif automatique de commande d'appareil électrique

Info

Publication number: FR939693A
Authority: FR; France
Prior art keywords: controlling; electrical appliance; automatic device; automatic; appliance
Prior art date: 1946-12-05
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

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.)

1946-12-05

Filing date

1947-01-13

Publication date

1948-11-22

1947-01-13 Application filed filed Critical

1948-11-22 Application granted granted Critical

1948-11-22 Publication of FR939693A publication Critical patent/FR939693A/fr

Status Expired legal-status Critical Current

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 (fr)
FR (1)	FR939693A (fr)
GB (1)	GB619369A (fr)
NL (1)	NL129448C (fr)

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

0
- NL NL129448D patent/NL129448C/xx active
- BE BE470461D patent/BE470461A/xx unknown
1946
- 1946-12-05 GB GB3598346A patent/GB619369A/en not_active Expired
1947
- 1947-01-13 FR FR939693D patent/FR939693A/fr not_active Expired

Also Published As

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

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