(19)
(11) EP 0 845 636 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.07.1999 Bulletin 1999/27

(43) Date of publication A2:
03.06.1998 Bulletin 1998/23

(21) Application number: 97120145.4

(22) Date of filing: 18.11.1997
(51) International Patent Classification (IPC)6: F23M 11/04, F23N 5/08
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 28.11.1996 DE 19649264

(71) Applicant: BFI Automation Dipl.-Ing. Kurt-Henry Mindermann GmbH
40883 Ratingen (DE)

(72) Inventor:
  • Wintrich, Franz, Dipl.-Ing.
    45130 Essen (DE)

(74) Representative: Sparing - Röhl - Henseler Patentanwälte 
Rethelstrasse 123
40237 Düsseldorf
40237 Düsseldorf (DE)

   


(54) A flame monitoring apparatus


(57) An apparatus for monitoring a flame is disclosed. It comprises a video camera (16) looking in flame direction and a plurality of light guide fibers observing the flame surroundings. These optical elements are mounted in a lance including a double-walled pipe (26,28) through which cooling water flows.






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