EP0089309A3 - Isolator or earthing switch comprising rotating contact knives - Google Patents

Isolator or earthing switch comprising rotating contact knives Download PDF

Info

Publication number
EP0089309A3
EP0089309A3 EP83730004A EP83730004A EP0089309A3 EP 0089309 A3 EP0089309 A3 EP 0089309A3 EP 83730004 A EP83730004 A EP 83730004A EP 83730004 A EP83730004 A EP 83730004A EP 0089309 A3 EP0089309 A3 EP 0089309A3
Authority
EP
European Patent Office
Prior art keywords
isolator
earthing switch
rotating contact
contact knives
knives
Prior art date
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.)
Granted
Application number
EP83730004A
Other languages
German (de)
Other versions
EP0089309B1 (en
EP0089309A2 (en
Inventor
Manfred Dipl.-Kfm. Meinherz
Jorg Tietze
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.)
Siemens AG
Original Assignee
Siemens AG
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.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0089309A2 publication Critical patent/EP0089309A2/en
Publication of EP0089309A3 publication Critical patent/EP0089309A3/en
Application granted granted Critical
Publication of EP0089309B1 publication Critical patent/EP0089309B1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
EP83730004A 1982-02-08 1983-01-10 Isolator or earthing switch comprising rotating contact knives Expired EP0089309B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3204438 1982-02-08
DE19823204438 DE3204438A1 (en) 1982-02-08 1982-02-08 ELECTRICAL DISCONNECTING OR EARTHING SWITCH, CONSISTING OF SWITCHING KNIVES AND KNIFE CONTACTS MOVABLE AROUND A PIVOT POINT

Publications (3)

Publication Number Publication Date
EP0089309A2 EP0089309A2 (en) 1983-09-21
EP0089309A3 true EP0089309A3 (en) 1984-07-18
EP0089309B1 EP0089309B1 (en) 1986-04-16

Family

ID=6155186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83730004A Expired EP0089309B1 (en) 1982-02-08 1983-01-10 Isolator or earthing switch comprising rotating contact knives

Country Status (3)

Country Link
US (1) US4490595A (en)
EP (1) EP0089309B1 (en)
DE (2) DE3204438A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744196A (en) * 1987-01-02 1988-05-17 Gallo Michael S Device for interlocking tongue-and-groove type bag
DE3742609A1 (en) * 1987-12-16 1989-06-29 Asea Brown Boveri Contact system for a high-voltage switch
NL1010515C2 (en) * 1998-11-09 2000-05-10 Elin Holec High Voltage Bv High voltage circuit breaker.
FR2809873B1 (en) * 2000-06-06 2002-12-13 Entrelec Sa SECTIONABLE ELECTRIC CONTACT DEVICE
FR2867603B1 (en) * 2004-03-10 2006-06-02 Areva T & D Spa DIRECT-INSERT, SWIVELD GROUND DISCONNECT SWITCH

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2217981A1 (en) * 1971-04-21 1972-10-26 Electrical fixed contact for contact
DE2502162A1 (en) * 1975-01-21 1976-07-22 Calor Emag Elektrizitaets Ag Earthing switch for short circuits - with forces in closed piston tending to close more tightly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1031031A (en) * 1909-11-30 1912-07-02 Oakley S Walker Electrical switch.
US2544788A (en) * 1948-09-08 1951-03-13 Earl L Hindman Multiple contact selector switch
US3127491A (en) * 1960-01-11 1964-03-31 Mc Graw Edison Co High voltage air switch
US3410974A (en) * 1967-01-30 1968-11-12 Kelek Company Pressure switch mechanism
FR2175619B1 (en) * 1972-03-16 1977-09-02 Acetp
US4342889A (en) * 1974-05-24 1982-08-03 G & W Electric Specialty Company Modular vault-type load break switch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2217981A1 (en) * 1971-04-21 1972-10-26 Electrical fixed contact for contact
DE2502162A1 (en) * 1975-01-21 1976-07-22 Calor Emag Elektrizitaets Ag Earthing switch for short circuits - with forces in closed piston tending to close more tightly

Also Published As

Publication number Publication date
EP0089309B1 (en) 1986-04-16
DE3362973D1 (en) 1986-05-22
EP0089309A2 (en) 1983-09-21
US4490595A (en) 1984-12-25
DE3204438A1 (en) 1983-08-18

Similar Documents

Publication Publication Date Title
DE3374153D1 (en) Electrical contact materials
GB8326634D0 (en) Electric switch
DE3377836D1 (en) Rotary switch
GB8317901D0 (en) Electrical contact material
DE3374623D1 (en) Grounding switch
GB2122421B (en) Switch assemblies
DE3463706D1 (en) High current switch contact
GB2123211B (en) Electric switches
GB2042824B (en) Electrical contact unit
GB2111306B (en) Electric switch contacts
GB2115225B (en) Electrical switch
GB8330616D0 (en) Electrical contact
DE3362973D1 (en) Isolator or earthing switch comprising rotating contact knives
EP0223968A3 (en) Rotating electrical switch
GB2128810B (en) Improved isolatable electrical switch
EP0070248A3 (en) Isolator switch
GB8332402D0 (en) Electric switch
AU545062B2 (en) Electrical contact switch
DE3362039D1 (en) Electrical switch
GB2131614B (en) Electrical switch
GB2120016B (en) Lockable electrical switch
GB2128811B (en) Snap-action electric switch
GB2125627B (en) Electric switches
GB2131618B (en) Electric switches
GB2126426B (en) Electrical switch

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Designated state(s): CH DE FR GB LI SE

17P Request for examination filed

Effective date: 19841107

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB LI SE

REF Corresponds to:

Ref document number: 3362973

Country of ref document: DE

Date of ref document: 19860522

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19930324

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19930422

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19931220

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19940121

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19940127

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19940131

Ref country code: CH

Effective date: 19940131

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19941001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19950110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19950111

EAL Se: european patent in force in sweden

Ref document number: 83730004.5

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19950110

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19950929

EUG Se: european patent has lapsed

Ref document number: 83730004.5

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST