Window device, diagnosis system for combustion processes, and combustion chamber

Abstract

A window device for a space laden with carbon-containing particles, in particular, for a combustion space, comprising at least one optically transparent window element, is proposed, the at least one window element having a coating comprising an oxidation catalyst material for degradation of carbon-containing window contaminations.

1 . Window device for a space laden with carbon-containing particles, comprising: 
 at least one optically transparent window element;    wherein said at least one window element has a coating comprising an oxidation catalyst material for degradation of carbon-containing window contaminations.    
   
   
       2 . Window device in accordance with  claim 1 , wherein the oxidation catalyst material is so selected that window contaminations are degradable at least above a limit temperature.  
   
   
       3 . Window device in accordance with  claim 1 , wherein the oxidation catalyst material is so selected that window contaminations are degradable at least above a temperature ranging from 300° C. to 450° C.  
   
   
       4 . Window device in accordance with  claim 1 , wherein the oxidation catalyst material comprises a material from the 8 th  subgroup of the Periodic Table.  
   
   
       5 . Window device in accordance with  claim 1 , wherein the coating comprises platinum.  
   
   
       6 . Window device in accordance with  claim 1 , wherein the coating is made of platinum or platinum-rhodium.  
   
   
       7 . Window device in accordance with  claim 1 , wherein the oxidation catalyst material comprises cerium oxide.  
   
   
       8 . Window device in accordance with  claim 1 , wherein the coating is vapor-deposited.  
   
   
       9 . Window device in accordance with  claim 1 , wherein the coating is subjected to a temperature treatment.  
   
   
       10 . Window device in accordance with  claim 1 , wherein the coating forms a surface of the at least one window element.  
   
   
       11 . Window device in accordance with  claim 1 , wherein the coating faces towards the inside area of the space laden with carbon-containing particles.  
   
   
       12 . Window device in accordance with  claim 1 , wherein the space laden with carbon-containing particles is a combustion space.  
   
   
       13 . Use of a coating with a material from the 8 th  subgroup of the Periodic Table, in particular, a platinum coating or platinum-containing coating, or with cerium oxide, on an optically transparent window element for degradation of deposits of carbon-containing material on windows.  
   
   
       14 . Diagnosis system for combustion processes, comprising: 
 at least one optical sensor; and    one or more window devices, said window device comprising: 
 at least one optically transparent window element;  
 wherein said at least one window element has a coating comprising an oxidation catalyst material for degradation of carbon-containing window contaminations.  
   
   
   
       15 . Combustion chamber with a combustion space, which is provided with at least one window device, said window device comprising: 
 at least one optically transparent window element;    wherein said at least one window element has a coating comprising an oxidation catalyst material for degradation of carbon-containing window contaminations.