FR830656A - Perfectionnements aux interrupteurs - Google Patents

Perfectionnements aux interrupteurs

Info

Publication number: FR830656A
Authority: FR; France
Prior art keywords: refinements; switch; switch refinements
Prior art date: 1937-05-28
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.)

CBS Corp

Original Assignee

Westinghouse Electric and Manufacturing Co

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.)

1937-05-28

Filing date

1937-12-10

Publication date

1938-08-05

1937-12-10 Application filed by Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric and Manufacturing Co

1938-08-05 Application granted granted Critical

1938-08-05 Publication of FR830656A publication Critical patent/FR830656A/fr

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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/92—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being liquid, e.g. oil

Landscapes

Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Circuit Breakers (AREA)
Arc-Extinguishing Devices That Are Switches (AREA)

FR830656D 1937-05-28 1937-12-10 Perfectionnements aux interrupteurs Expired FR830656A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US145273A US2138382A (en)	1937-05-28	1937-05-28	Circuit breaker

Publications (1)

Publication Number	Publication Date
FR830656A true FR830656A (fr)	1938-08-05

Family

ID=22512352

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR830656D Expired FR830656A (fr)	1937-05-28	1937-12-10	Perfectionnements aux interrupteurs

Country Status (5)

Country	Link
US (1)	US2138382A (fr)
CH (1)	CH207591A (fr)
DE (1)	DE713419C (fr)
FR (1)	FR830656A (fr)
GB (1)	GB495540A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE758604C (de) *	1939-02-01	1953-04-09	Sachsenwerk Licht Und Kraft A	Leistungsschalter
US2507210A (en) *	1944-11-28	1950-05-09	Westinghouse Electric Corp	Gas blast circuit breaker
US2580291A (en) *	1947-02-21	1951-12-25	Westinghouse Electric Corp	Circuit interrupter
US2667556A (en) *	1950-06-14	1954-01-26	Westinghouse Electric Corp	Circuit interrupter

1937
- 1937-05-28 US US145273A patent/US2138382A/en not_active Expired - Lifetime
- 1937-12-10 FR FR830656D patent/FR830656A/fr not_active Expired
1938
- 1938-03-17 GB GB8230/38A patent/GB495540A/en not_active Expired
- 1938-03-30 DE DEM141177D patent/DE713419C/de not_active Expired
- 1938-04-11 CH CH207591D patent/CH207591A/fr unknown

Also Published As

Publication number	Publication date
DE713419C (de)	1941-11-10
CH207591A (fr)	1939-11-15
US2138382A (en)	1938-11-29
GB495540A (en)	1938-11-15

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