Global Patent Index - EP 0665565 B1

EP 0665565 B1 2000-06-28 - Contact system for high power circuit breaker

Title (en)

Contact system for high power circuit breaker

Title (de)

Kontaktsystem für einen Hochleistungsschalter

Title (fr)

Système de contact pour disjoncteur haute puissance

Publication

EP 0665565 B1 (DE)

Application

EP 95101010 A

Priority

DE 4402935 A

Abstract (en)

[origin: EP0665565A2] The high voltage power switch has a cylindrical housing (11) with an internal metal screening (13). Projecting internally at the centre is a contact element (16). Located over this is a tubular contact carrier (17) that can move axially by displacement of a piston (18). Contact fingers (27) are positioned in the gap within a cage (26). Positioned in parallel is a burn off contact ring (24). When the main contacts open the burn-off contact remains in engagement to minimise main contact cover. The burn-off contact is of graphite and diffuses the arcing effect.

IPC 1-7 (main, further and additional classification)

H01H 33/91; H01H 33/12

IPC 8 full level (invention and additional information)

H01H 33/70 (2006.01); H01H 1/38 (2006.01); H01H 33/12 (2006.01); H01H 33/91 (2006.01); H01H 33/915 (2006.01)

CPC (invention and additional information)

H01H 1/385 (2013.01); H01H 33/12 (2013.01)

Designated contracting state (EPC)

CH DE FR IT LI

EPO simple patent family

EP 0665565 A2 19950802; EP 0665565 A3 19970917; EP 0665565 B1 20000628; DE 4402935 A1 19950803; JP H07262890 A 19951013

INPADOC legal status


2001-11-01 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20011101

2001-09-14 [REG CH PL] PATENT CEASED

2001-06-13 [26N] NO OPPOSITION FILED

2001-01-31 [PG25 CH] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: CH

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20010131

2001-01-31 [PG25 LI] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: LI

- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20010131

2000-11-24 [EN] FR: TRANSLATION NOT FILED

2000-08-03 [REF] CORRESPONDS TO:

- Document: DE 59508500 20000803

2000-06-30 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): CH DE FR IT LI

2000-06-28 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20000628

2000-06-28 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20000628

1999-12-15 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19991103

1998-01-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19971030

1997-09-17 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): CH DE FR IT LI

1995-08-02 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): CH DE FR IT LI