FR79525E - Electric resistance for power switch - Google Patents

Electric resistance for power switch

Info

Publication number: FR79525E
Authority: FR; France
Prior art keywords: power switch; electric resistance; resistance; electric; switch
Prior art date: 1959-06-30
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

FR858194A

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.)

BBC BROWN BOVERI and CIE

BBC Brown Boveri AG Switzerland

Original Assignee

BBC BROWN BOVERI and CIE

BBC Brown Boveri AG Switzerland

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.)

1959-06-30

Filing date

1961-04-10

Publication date

1962-12-14

1961-04-10 Application filed by BBC BROWN BOVERI and CIE, BBC Brown Boveri AG Switzerland filed Critical BBC BROWN BOVERI and CIE

1962-12-14 Application granted granted Critical

1962-12-14 Publication of FR79525E publication Critical patent/FR79525E/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/161—Variable impedances

FR858194A 1959-06-30 1961-04-10 Electric resistance for power switch Expired FR79525E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH7509859A CH369807A (en)	1959-06-30	1959-06-30	Electrical resistance in a circuit breaker

Publications (1)

Publication Number	Publication Date
FR79525E true FR79525E (en)	1962-12-14

Family

ID=4533873

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR831456A Expired FR1261556A (en)	1959-06-30	1960-06-29	Electric resistance for power switch
FR858194A Expired FR79525E (en)	1959-06-30	1961-04-10	Electric resistance for power switch

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR831456A Expired FR1261556A (en)	1959-06-30	1960-06-29	Electric resistance for power switch

Country Status (7)

Country	Link
US (1)	US3072766A (en)
BE (1)	BE592419A (en)
CH (2)	CH369807A (en)
DE (2)	DE1076776B (en)
FR (2)	FR1261556A (en)
GB (1)	GB914467A (en)
NL (1)	NL252649A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1189607B (en) *	1961-11-27	1965-03-25	Merlin Gerin	Damping resistor for electrical switches
FR1334403A (en) *	1962-06-23	1963-08-09	Merlin Gerin	Improvements to damping resistors for circuit breakers
US3249810A (en) *	1962-11-20	1966-05-03	Westinghouse Electric Corp	Circuit interrupting apparatus
US3590186A (en) *	1968-12-19	1971-06-29	Allis Chalmers Mfg Co	Vacuum interrupter having series connected resistor and shunting means for the latter
US4035637A (en) *	1975-12-23	1977-07-12	Zot Manufacturing Company	Fluid actuated light switch
US4673928A (en) *	1984-04-03	1987-06-16	Guim R	Fuse cap warning light

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US470161A (en) *		1892-03-01		Circuit-interrupting device
US651013A (en) *		1900-06-05	Charles E Wilson	Electric telegraphy.
US1134983A (en) *	1914-07-13	1915-04-06	Richard A Engler	System of electrical transmission.
US2043099A (en) *	1933-10-26	1936-06-02	Gen Electric	Electrical protective system
BE440693A (en) *	1940-02-27

0
- NL NL252649D patent/NL252649A/xx unknown
1959
- 1959-06-30 CH CH7509859A patent/CH369807A/en unknown
- 1959-07-09 DE DEA32435A patent/DE1076776B/en active Pending
1960
- 1960-04-13 CH CH416460A patent/CH379600A/en unknown
- 1960-05-06 DE DEA34580A patent/DE1110720B/en active Pending
- 1960-06-23 US US38212A patent/US3072766A/en not_active Expired - Lifetime
- 1960-06-29 FR FR831456A patent/FR1261556A/en not_active Expired
- 1960-06-29 BE BE592419A patent/BE592419A/en unknown
- 1960-06-29 GB GB22732/60A patent/GB914467A/en not_active Expired
1961
- 1961-04-10 FR FR858194A patent/FR79525E/en not_active Expired

Also Published As

Publication number	Publication date
NL252649A (en)
CH369807A (en)	1963-06-15
BE592419A (en)	1960-10-17
CH379600A (en)	1964-07-15
GB914467A (en)	1963-01-02
DE1110720B (en)	1961-07-13
DE1076776B (en)	1960-03-03
FR1261556A (en)	1961-05-19
US3072766A (en)	1963-01-08

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