Global Patent Index - EP 0947769 A3

EP 0947769 A3 20000126 - Blue flame burner

Title (en)

Blue flame burner

Title (de)

Blaubrenner

Title (fr)

Brûleur à flamme bleue

Publication

EP 0947769 A3 (DE)

Application

EP 99106458 A

Priority

DE 19814768 A

Abstract (en)

[origin: EP0947769A2] The combustion air feed (1) has a deflector (5) on it end with air-passages (2) and adjacent next to a flame tube (7) open on the combustion chamber side. The flame tube has an exhaust gas return opening (6) on a level with the fuel nozzle (3) of a nozzle connection (4). The flame tube acts as a premixing and precondensing tube over most of its length. Flame stabilizers (8) are positioned at the end of the flame tube and consist of a narrowing of the cross-section of the combustion chamber side end of the flame tube.

IPC 1-7

F23D 11/40; F23C 9/00

IPC 8 full level

F23C 9/00 (2006.01); F23D 11/40 (2006.01)

CPC (source: EP)

F23C 9/006 (2013.01); F23D 11/406 (2013.01); F23D 2209/20 (2013.01); F23D 2900/11402 (2013.01); F23D 2900/11403 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

EP 0947769 A2 19991006; EP 0947769 A3 20000126; DE 19814768 A1 19991007

DOCDB simple family (application)

EP 99106458 A 19990330; DE 19814768 A 19980402