Global Patent Index - EP 1571395 A1

EP 1571395 A1 20050907 - Burner flame control unit

Title (en)

Burner flame control unit

Title (de)

Vorrichtung zur Flammenüberwachung eines Brenners

Title (fr)

Dispositif de contrôle de flamme de brûleur

Publication

EP 1571395 A1 20050907 (EN)

Application

EP 04425138 A 20040302

Priority

EP 04425138 A 20040302

Abstract (en)

A unit (1) for controlling the flame of a burner. The unit (1) has a first programmable control device (9) for controlling fuel feed devices and combustion air ventilation devices of the burner by means of a number of control outputs (6, 7, 8) controlled by respective switch blocks (16, 17, 18), and for safely controlling overall operation of the unit (1). The unit (1) also has a second control device (20) for further safety control independent of that performed by the first device (9). And the unit (1) is characterized in that the second control device (20) comprises a hardware watch-dog. <IMAGE>

IPC 1-7

F23N 5/24

IPC 8 full level

F23N 5/24 (2006.01); F23N 3/08 (2006.01)

CPC (source: EP)

F23N 5/242 (2013.01); F23N 3/082 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1571395 A1 20050907; CN 1664443 A 20050907

DOCDB simple family (application)

EP 04425138 A 20040302; CN 200510053107 A 20050302