US2002172902A1PendingUtilityA1

Regulation method for gas burners

35
Priority: Jun 19, 2000Filed: May 19, 2001Published: Nov 21, 2002
Est. expiryJun 19, 2020(expired)· nominal 20-yr term from priority
Inventors:Enno Vrolijk
F23N 2225/16F23N 2227/20F23N 2225/30F23N 2223/10F23N 5/003F23N 5/123F23N 5/00
35
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Claims

Abstract

The invention relates to a control method for gas burners for providing a gas-air mixture. A signal of a sensor is used for adapting the gas-air mixture to different gas qualities. According to the invention, the signal of the sensor is used for adapting the gas-air mixtures to different gas qualities at certain points in time only. This renders the control independent of aging processes of the sensor.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . A control method for gas burners for providing a gas-air mixture, namely for supplying a gas flow and a combustion air flow to a burner, a signal of a sensor being used for adapting the gas-air mixture to different gas qualities, wherein the signal of the sensor is used for adapting the gas-air mixture to different gas qualities at selected points in time.  
     
     
         2 . A control method for gas burners according to  claim 1 , wherein the signal is used after the installation of the sensor for adapting the gas-air mixture to different gas qualities.  
     
     
         3 . A control method for gas burners according to  claim 1 , wherein the signal is used after a fresh start of the gas burner for adapting the gas-air mixture to different gas qualities.  
     
     
         4 . A control method for gas burners according to  claim 1 , wherein the signal is used after a reset for adapting the gas-air mixture to different gas qualities.  
     
     
         5 . A control method for gas burners according to  claim 2 , wherein the signal is used when stable operating conditions of the gas burner have been reached.  
     
     
         6 . A control method for gas burners according to  claim 3 , wherein the signal is used when stable operating conditions of the gas burner have been reached.  
     
     
         7 . A control method for gas burners according to  claim 4 , wherein the signal is used when stable operating conditions of the gas burner have been reached.  
     
     
         8 . A control method for gas burners according to  claim 1  wherein the composition ratio of the gas-air mixture has a predetermined range with an upper and lower limit, wherein if the composition ratio exceeds said range, the upper limit and lower limit are used to determine a subsequent composition ratio of the gas-air mixture.

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