FR32877E - Improvements to electrical circuit breakers - Google Patents

Improvements to electrical circuit breakers

Info

Publication number: FR32877E
Authority: FR; France
Prior art keywords: electrical circuit; circuit breakers; breakers; electrical; circuit
Prior art date: 1918-02-01
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

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.)

Compagnie Francaise Thomson Houston SA

Original Assignee

Compagnie Francaise Thomson Houston SA

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.)

1918-02-01

Filing date

1926-05-15

Publication date

1928-03-06

1926-05-15 Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA

1928-03-06 Application granted granted Critical

1928-03-06 Publication of FR32877E publication Critical patent/FR32877E/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/10—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
- H01H50/305—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature damping vibration due to functional movement of armature
- 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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/2472—Electromagnetic mechanisms with rotatable armatures
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H77/00—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting
- H01H77/02—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism
- H01H77/06—Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electromagnetic opening
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/08—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by reversal of DC

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Electromagnets (AREA)
Breakers (AREA)

FR32877D 1918-02-01 1926-05-15 Improvements to electrical circuit breakers Expired FR32877E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US21480518A US1323798A (en)	1918-02-01	1918-02-01	Circuit-interrupter.

Publications (1)

Publication Number	Publication Date
FR32877E true FR32877E (en)	1928-03-06

Family

ID=21985022

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
FR535470D Expired FR535470A (en)	1918-02-01	1920-06-09	Improvements to electrical circuit breakers
FR30400D Expired FR30400E (en)	1918-02-01	1924-12-29	Improvements to electrical circuit breakers
FR30754D Expired FR30754E (en)	1918-02-01	1924-12-31	Improvements to electrical circuit breakers
FR31376D Expired FR31376E (en)	1918-02-01	1925-01-15	Improvements to electrical circuit breakers
FR32877D Expired FR32877E (en)	1918-02-01	1926-05-15	Improvements to electrical circuit breakers

Family Applications Before (4)

Application Number	Title	Priority Date	Filing Date
FR535470D Expired FR535470A (en)	1918-02-01	1920-06-09	Improvements to electrical circuit breakers
FR30400D Expired FR30400E (en)	1918-02-01	1924-12-29	Improvements to electrical circuit breakers
FR30754D Expired FR30754E (en)	1918-02-01	1924-12-31	Improvements to electrical circuit breakers
FR31376D Expired FR31376E (en)	1918-02-01	1925-01-15	Improvements to electrical circuit breakers

Country Status (5)

Country	Link
US (2)	US1323798A (en)
BE (1)	BE334350A (en)
DE (1)	DE375318C (en)
FR (5)	FR535470A (en)
NL (1)	NL9104C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2755355A (en) *	1951-05-11	1956-07-17	Gen Electric	High speed circuit breakers
US2673263A (en) *	1951-05-18	1954-03-23	Gen Electric	Thermomagnetic electric relay
FR1557850A (en) *	1968-01-02	1969-02-21

0
- BE BE334350D patent/BE334350A/xx unknown
- US US15441D patent/USRE15441E/en not_active Expired
1918
- 1918-02-01 US US21480518A patent/US1323798A/en not_active Expired - Lifetime
1920
- 1920-06-09 FR FR535470D patent/FR535470A/en not_active Expired
- 1920-07-11 DE DEI20565D patent/DE375318C/en not_active Expired
1921
- 1921-03-26 NL NL18735A patent/NL9104C/xx active
1924
- 1924-12-29 FR FR30400D patent/FR30400E/en not_active Expired
- 1924-12-31 FR FR30754D patent/FR30754E/en not_active Expired
1925
- 1925-01-15 FR FR31376D patent/FR31376E/en not_active Expired
1926
- 1926-05-15 FR FR32877D patent/FR32877E/en not_active Expired

Also Published As

Publication number	Publication date
FR30400E (en)	1926-05-07
FR535470A (en)	1922-04-15
FR30754E (en)	1926-08-23
NL9104C (en)	1921-10-15
US1323798A (en)	1919-12-02
BE334350A (en)
USRE15441E (en)	1922-08-29
FR31376E (en)	1927-01-28
DE375318C (en)	1923-05-12

Publication	Publication Date	Title
FR527864A (en)	1921-11-03	Improvements to electrical switches
FR537053A (en)	1922-05-15	Improvements to electrical switches and circuit breakers
FR30400E (en)	1926-05-07	Improvements to electrical circuit breakers
FR494908A (en)	1919-09-24	Improvements to electrical switches
FR496488A (en)	1919-11-07	Improvements to electrical switches
FR495857A (en)	1919-10-21	Improvements made to electrical switches
FR506382A (en)	1920-08-20	Improvements to electrical switch mechanisms
FR503366A (en)	1920-06-09	Improvements to electrical insulators
FR499373A (en)	1920-02-10	Improvements to electrical installations
FR494069A (en)	1919-08-29	Improvements to rotary electrical switches
FR533587A (en)	1922-03-06	Improvements to electrical windings
FR511947A (en)	1921-01-07	Improvements to insulated electrical conductors
FR486173A (en)	1918-03-14	Improvements to electrical breakers
FR511644A (en)	1920-12-30	Improvements to electrical indicating devices
FR493725A (en)	1919-08-20	Safety circuit breaker
FR504590A (en)	1920-07-08	Improvements to electromagnetic switches
FR523994A (en)	1921-08-27	Improvements to electrical devices called circuit breakers
FR518815A (en)	1921-05-31	Improvements to circuit breakers or electrical circuit breakers
FR492725A (en)	1919-07-17	Improvements to electrical controllers
FR495239A (en)	1919-10-02	Improvements to electrical connections
FR517682A (en)	1921-05-10	Improvements to electrical resistances
FR497399A (en)	1919-12-04	Improvements to electrical resistances
FR521460A (en)	1921-07-15	Improvements to magnetos contacts
FR520978A (en)	1921-07-05	Improvements to electric clocks
FR511643A (en)	1920-12-30	Improvements to electrical indicating devices