IT1002225B - ELECTRIC SWITCH WITH BLOWN GAS EXTINCTION - Google Patents

ELECTRIC SWITCH WITH BLOWN GAS EXTINCTION

Info

Publication number: IT1002225B
Authority: IT; Italy
Prior art keywords: electric switch; blown gas; gas extinction; extinction; blown
Prior art date: 1972-12-14

Application number

IT3207073A

Other languages

Italian (it)

Original Assignee

Fuji Electric Co Ltd

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.)

1972-12-14

Filing date

1973-12-10

Publication date

1976-05-20

1973-12-10 Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd

1976-05-20 Application granted granted Critical

1976-05-20 Publication of IT1002225B publication Critical patent/IT1002225B/en

Links

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
- H01H33/905—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 compression volume being formed by a movable cylinder and a semi-mobile piston

IT3207073A 1972-12-14 1973-12-10 ELECTRIC SWITCH WITH BLOWN GAS EXTINCTION IT1002225B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP12549472A JPS4981874A (en)	1972-12-14	1972-12-14

Publications (1)

Publication Number	Publication Date
IT1002225B true IT1002225B (en)	1976-05-20

Family

ID=14911474

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT3207073A IT1002225B (en)	1972-12-14	1973-12-10	ELECTRIC SWITCH WITH BLOWN GAS EXTINCTION

Country Status (6)

Country	Link
JP (1)	JPS4981874A (en)
DE (1)	DE2363171A1 (en)
FR (1)	FR2210814B1 (en)
GB (1)	GB1438708A (en)
IT (1)	IT1002225B (en)
NL (1)	NL7317004A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2291601A1 (en) *	1974-11-15	1976-06-11	Alsthom Cgee	Arc extinction by aurocompression in circuit breakers - involves use of cylinder type unit which has piston in centre delayed by spring
DE2529623A1 (en) *	1975-07-03	1977-01-20	Licentia Gmbh	ELECTRIC COMPRESSION SWITCH
CH590552A5 (en) *	1975-09-26	1977-08-15	Sprecher & Schuh Ag
JPS55139728A (en) *	1979-04-18	1980-10-31	Mitsubishi Electric Corp	Switching device
DE3104411A1 (en) *	1981-02-09	1982-08-26	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Electrical compression switch
DE3322597A1 (en) *	1983-05-31	1984-12-06	BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau	EXHAUST GAS SWITCH
DE4015179C2 (en) *	1990-05-11	1994-03-10	Licentia Gmbh	Gas pressure switch
SE466979B (en) *	1990-09-11	1992-05-04	Asea Brown Boveri	SELF-Blow type high voltage switch
FR2696274B1 (en) *	1992-09-29	1994-11-04	Alsthom Gec	Self-blowing high voltage circuit breaker having a reduced gas compression interrupting chamber.

1972
- 1972-12-14 JP JP12549472A patent/JPS4981874A/ja active Pending
1973
- 1973-12-10 IT IT3207073A patent/IT1002225B/en active
- 1973-12-11 FR FR7344258A patent/FR2210814B1/fr not_active Expired
- 1973-12-12 NL NL7317004A patent/NL7317004A/xx not_active Application Discontinuation
- 1973-12-14 DE DE19732363171 patent/DE2363171A1/en active Pending
- 1973-12-14 GB GB5816373A patent/GB1438708A/en not_active Expired

Also Published As

Publication number	Publication date
DE2363171A1 (en)	1974-06-20
NL7317004A (en)	1974-06-18
JPS4981874A (en)	1974-08-07
GB1438708A (en)	1976-06-09
FR2210814A1 (en)	1974-07-12
FR2210814B1 (en)	1979-01-26

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