Global Patent Index - EP 0867660 B1

EP 0867660 B1 2003-06-04 - Monitoring device of a burner

Title (en)

Monitoring device of a burner

Title (de)

Vorrichtung zum Überwachen eines Brenners

Title (fr)

Dispositif de surveillance d'un brûleur

Publication

EP 0867660 B1 (DE)

Application

EP 98104241 A

Priority

DE 19712373 A

Abstract (en)

[origin: EP0867660A1] The flame monitor has at least one sensor (10) for detecting the burner flame, which is supplied via an AC voltage source (16), its output signal fed to an amplifier circuit (14), also supplied by the AC voltage source. An ohmic resistance and/or a capacitor can be used as the impedance (20) inserted between the AC voltage source and the sensor, the amplifier circuit containing at least one transistor.

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

F23N 5/12

IPC 8 full level (invention and additional information)

F23N 5/12 (2006.01)

CPC (invention and additional information)

F23N 5/123 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT NL

EPO simple patent family

EP 0867660 A1 19980930; EP 0867660 B1 20030604; DE 19712373 A1 19981001; ES 2201353 T3 20040316

INPADOC legal status


2018-04-30 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2018-03-14 [REG NL MK] PATENT EXPIRED BECAUSE OF REACHING THE MAXIMUM LIFETIME OF A PATENT

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2018-03-10 [REG DE R071] EXPIRY OF RIGHT

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2013-01-31 [REG DE R084] DECLARATION OF WILLINGNESS TO LICENCE

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2004-05-26 [26N] NO OPPOSITION FILED

- Effective date: 20040305

2004-03-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2201353 T3

2004-03-05 [ET] FR: TRANSLATION FILED

2003-10-22 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

2003-07-10 [REF] CORRESPONDS TO:

- Document: DE 59808564 P 20030710

2003-06-04 [AK] DESIGNATED CONTRACTING STATES:

- Designated State(s): DE ES FR GB IT NL

2003-06-04 [REG GB FG4D] EUROPEAN PATENT GRANTED

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2000-06-28 [17Q] FIRST EXAMINATION REPORT

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1999-06-09 [AKX] PAYMENT OF DESIGNATION FEES

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