Global Patent Index - EP 0933975 B1

EP 0933975 B1 2002-09-18 - Arrangement of two ignition transformers

Title (en)

Arrangement of two ignition transformers

Title (de)

Anordnung von zwei Zündtransformatoren

Title (fr)

Dispositif à deux transformateurs d' amorçage

Publication

EP 0933975 B1 (DE)

Application

EP 99101907 A

Priority

DE 19803856 A

Abstract (en)

[origin: EP0933975A2] The wire wound secondary (2) is single-layered on a high-resistance, low retentivity core (3). The wire-wound primary (1) comprises a small number of close turns, insulated from the secondary. The ignition transformer is interconnected with a further ignition transformer, secondary voltages being additive.

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

H05B 41/04; H01F 38/10; H01F 38/12

IPC 8 full level (invention and additional information)

H01F 27/32 (2006.01); H01F 38/12 (2006.01); H05B 41/04 (2006.01)

CPC (invention and additional information)

H05B 41/042 (2013.01); H01F 27/324 (2013.01); H01F 38/12 (2013.01); H05B 41/04 (2013.01)

Designated contracting state (EPC)

AT DE ES FR GB IT

EPO simple patent family

EP 0933975 A2 19990804; EP 0933975 A3 20001102; EP 0933975 B1 20020918; AT 224633 T 20021015; DE 19803856 A1 19990805; ES 2184359 T3 20030401

INPADOC legal status


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2003-09-10 [26N] NO OPPOSITION FILED

- Effective date: 20030619

2003-04-18 [ET] FR: TRANSLATION FILED

2003-04-01 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2184359 T3

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2002-12-18 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20021121

2002-10-24 [REF] CORRESPONDS TO:

- Document: DE 59902708 20021024

2002-09-18 [AK] DESIGNATED CONTRACTING STATES:

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2002-09-18 [REG GB FG4D] EUROPEAN PATENT GRANTED

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2002-09-18 [REF] CORRESPONDS TO:

- Document: AT 224633 T 20021015

2002-02-06 [RTI1] TITLE (CORRECTION)

- Free text: ARRANGEMENT OF TWO IGNITION TRANSFORMERS

2001-07-25 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010611

2001-07-18 [AKX] PAYMENT OF DESIGNATION FEES

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2000-11-02 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7H 05B 41/04 A, 7H 01F 38/12 B, 7H 01F 38/10 B

1999-08-04 [AK] DESIGNATED CONTRACTING STATES:

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1999-08-04 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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