IT980613B - ELECTRICAL CO SWITCH DEVICE FOR HIGH VOLTAGES - Google Patents

ELECTRICAL CO SWITCH DEVICE FOR HIGH VOLTAGES

Info

Publication number: IT980613B
Authority: IT; Italy
Prior art keywords: electrical; switch device; high voltages; voltages; switch
Prior art date: 1972-03-16

Application number

IT67753/73A

Other languages

Italian (it)

Original Assignee

Yorkshire Switchgear & Eng 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.)

1972-03-16

Filing date

1973-03-15

Publication date

1974-10-10

1973-03-15 Application filed by Yorkshire Switchgear & Eng Co filed Critical Yorkshire Switchgear & Eng Co

1974-10-10 Application granted granted Critical

1974-10-10 Publication of IT980613B publication Critical patent/IT980613B/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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/68—Liquid-break switches, e.g. oil-break
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor

IT67753/73A 1972-03-16 1973-03-15 ELECTRICAL CO SWITCH DEVICE FOR HIGH VOLTAGES IT980613B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1248372A GB1418639A (en)	1972-03-16	1972-03-16	Electrical swtichgear

Publications (1)

Publication Number	Publication Date
IT980613B true IT980613B (en)	1974-10-10

Family

ID=10005440

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67753/73A IT980613B (en)	1972-03-16	1973-03-15	ELECTRICAL CO SWITCH DEVICE FOR HIGH VOLTAGES

Country Status (16)

Country	Link
US (1)	US3833780A (en)
JP (1)	JPS492060A (en)
AU (1)	AU470662B2 (en)
BE (1)	BE796880A (en)
CA (1)	CA978248A (en)
CH (1)	CH582417A5 (en)
DE (1)	DE2312759C3 (en)
DK (1)	DK143824C (en)
FR (1)	FR2176083B1 (en)
GB (1)	GB1418639A (en)
IT (1)	IT980613B (en)
MY (1)	MY7700296A (en)
NL (1)	NL167269C (en)
NO (1)	NO135048C (en)
SE (1)	SE377221B (en)
ZA (1)	ZA731485B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL120901C (en) *	1963-05-17
DE1254755B (en) *	1964-11-14	1967-11-23	Reinhausen Maschf Scheubeck	Permanent main contact for diverter switch of step transformers
US3469043A (en) *	1967-07-19	1969-09-23	Ite Imperial Corp	Dual mode circuit breaker withdrawal mechanism

1972
- 1972-03-16 GB GB1248372A patent/GB1418639A/en not_active Expired
1973
- 1973-03-02 ZA ZA731485A patent/ZA731485B/en unknown
- 1973-03-12 US US00340303A patent/US3833780A/en not_active Expired - Lifetime
- 1973-03-13 NO NO993/73A patent/NO135048C/no unknown
- 1973-03-13 JP JP48029335A patent/JPS492060A/ja active Pending
- 1973-03-14 DE DE2312759A patent/DE2312759C3/en not_active Expired
- 1973-03-15 FR FR7309248A patent/FR2176083B1/fr not_active Expired
- 1973-03-15 NL NL7303620.A patent/NL167269C/en not_active IP Right Cessation
- 1973-03-15 CA CA166,156A patent/CA978248A/en not_active Expired
- 1973-03-15 IT IT67753/73A patent/IT980613B/en active
- 1973-03-15 DK DK141773A patent/DK143824C/en not_active IP Right Cessation
- 1973-03-15 CH CH377073A patent/CH582417A5/xx not_active IP Right Cessation
- 1973-03-16 AU AU53407/73A patent/AU470662B2/en not_active Expired
- 1973-03-16 SE SE7303696A patent/SE377221B/xx unknown
- 1973-03-16 BE BE128881A patent/BE796880A/en not_active IP Right Cessation
1977
- 1977-12-30 MY MY296/77A patent/MY7700296A/en unknown

Also Published As

Publication number	Publication date
DE2312759B2 (en)	1978-04-06
AU5340773A (en)	1974-09-19
DE2312759A1 (en)	1973-09-27
NO135048C (en)	1977-01-26
NL7303620A (en)	1973-09-18
MY7700296A (en)	1977-12-31
JPS492060A (en)	1974-01-09
NO135048B (en)	1976-10-18
DK143824C (en)	1982-03-29
CH582417A5 (en)	1976-11-30
NL167269C (en)	1981-11-16
AU470662B2 (en)	1976-03-25
SE377221B (en)	1975-06-23
FR2176083B1 (en)	1977-09-02
DE2312759C3 (en)	1978-11-30
US3833780A (en)	1974-09-03
FR2176083A1 (en)	1973-10-26
ZA731485B (en)	1973-12-19
BE796880A (en)	1973-07-16
NL167269B (en)	1981-06-16
GB1418639A (en)	1975-12-24
CA978248A (en)	1975-11-18
DK143824B (en)	1981-10-12

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