EP 2865942 A1 20150429 - Gas mixing block for supplying a flame ionisation detector with different fuels
Title (en)
Gas mixing block for supplying a flame ionisation detector with different fuels
Title (de)
Gasmischblock zur Versorgung eines Flammenionisationsdetektor mit verschiedenen Brennstoffen
Title (fr)
Bloc de mélange de gaz pour l'alimentation d'un détecteur à ionisation de flamme avec des combustibles variés
Publication
Application
Priority
EP 13290253 A 20131023
Abstract (en)
A mixing block (380) is disclosed for preparing a premix of combustible gas and air to be supplied to a flame detection electrode (382) or to an ignition electrode. The mixing block comprises: - an outlet channel (384) for guiding a premix of combustible gas and air out of the mixing block, - at least one inlet (384) for supplying air into the mixing block, - at least two connections (388, 389) to connect different supplies of combustible gas to the mixing block, - channels (392, 393) inside the mixing block to guide combustible gas from each of the at least two connections (388, 389). The at least two connections (388, 389) are connectable via these channels (392, 393) towards the outlet channel (384) in the mixing block, - a switch (396) for selecting from which of the at least two connections (388, 389) a flow connection is realized to the outlet channel (384). The gas / air mixture supplying tubes of the detection electrodes (382), downstream the outlet channel (384), are to be placed proximate an infrared radiation burner, from which the flame can propagate to the tube exits, thereby igniting the fuel/air mixture leaving them. These flames are to be recognised then for the ionisation current through the flame detection electrodes (382).
IPC 8 full level
F23D 14/02 (2006.01); F23D 14/72 (2006.01); F23N 5/12 (2006.01)
CPC (source: CN EP)
F23D 14/02 (2013.01 - EP); F23D 14/12 (2013.01 - CN); F23D 14/46 (2013.01 - CN); F23D 14/62 (2013.01 - CN); F23D 14/725 (2013.01 - EP); F23M 11/045 (2013.01 - CN); F23N 5/123 (2013.01 - EP); F23N 5/126 (2013.01 - EP); F23Q 3/006 (2013.01 - CN); F23D 2203/002 (2013.01 - CN); F23D 2203/007 (2013.01 - EP); F23D 2204/00 (2013.01 - EP); F23D 2207/00 (2013.01 - CN); F23D 2208/10 (2013.01 - EP); F23K 2900/05002 (2013.01 - EP); F23N 2229/16 (2020.01 - EP); F23N 2231/08 (2020.01 - EP); F23N 2237/08 (2020.01 - EP)
Citation (search report)
- [A] US 2009280448 A1 20091112 - ANTXIA URIBETXEBARRIA JOSE JOAQUIN [ES], et al
- [A] US 2007266765 A1 20071122 - DENG DAVID [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 13290253 A 20131023; CN 201410569495 A 20141023