Hvac burner assembly and a method thereof

Abstract

A Heating Ventilation and Air Conditioning (HVAC) burner assembly is disclosed. The HVAC burner assembly includes one or more burners comprising a downstream side and an inlet disposed on an upstream side. An inlet manifold, in fluid communication with the inlet of the one or more burner, is adapted to supply a primary air-fuel mixture to the inlet of the one or more burner. At least one mechanical blower is in fluid communication with the inlet manifold. The at least one mechanical blower includes an impeller adapted to receive and mix a fuel with primary air for generating the primary air-fuel mixture.

What is claimed is: 
     
         1 . A Heating Ventilation and Air Conditioning (HVAC) burner assembly comprising:
 one or more burners, the one or more burners comprising a downstream side and an inlet disposed on an upstream side;   an inlet manifold in fluid communication with the inlet of the one or more burner, the inlet manifold adapted to supply a primary air-fuel mixture to the inlet of the one or more burner; and   at least one mechanical blower in fluid communication with the inlet manifold, the at least one mechanical blower comprising an impeller adapted to receive and mix a fuel with primary air for generating the primary air-fuel mixture.   
     
     
         2 . The HVAC burner assembly  100  of  claim 1 , wherein at least one of a velocity, a pressure, and a primary air-fuel ratio of the primary air-fuel mixture is regulated by adjusting one or more parameters of the at least one mechanical blower  103 . 
     
     
         3 . The HVAC burner assembly  100  of  claim 1 , wherein the primary air-fuel ratio of the primary air-fuel mixture is regulated based on a type of fuel. 
     
     
         4 . The HVAC burner assembly  100  of  claim 1 , wherein the fuel is at least one of a hydrogen fuel and a hydrogen blended hydrocarbon fuel. 
     
     
         5 . The HVAC burner assembly  100  according to of  claim 1 , wherein the inlet  101   a  of the one or more burner  101  comprises a venturi shaped throat. 
     
     
         6 . The HVAC burner assembly  100  according to of  claim 1 , wherein a secondary inducer  104  is adapted to induce secondary air to completely combust the primary air-fuel mixture. 
     
     
         7 . The HVAC burner assembly  100  according to of  claim 1 , wherein each inlet  101  a is at least one of:
 fastened to the inlet manifold  102 ; and 
 welded to the inlet manifold  102 . 
 
     
     
         8 . The HVAC burner assembly  100  according to  claim 1 , wherein each inlet  101   a  forms an interface with the inlet manifold  102  upon assembling the one or more burner  101  to the inlet manifold  102 . 
     
     
         9 . The HVAC burner assembly  100  according to  claim 8 , wherein each interface is sealed. 
     
     
         10 . The HVAC burner assembly  100  according to  claim 1 , wherein the downstream side of the one or more burner  101  is in fluid communication with a heat exchanger tube  105 . 
     
     
         11 . The HVAC burner assembly  100  according to  claim 1 , wherein at least one of the downstream side of the one or more burner  101  and an inlet of each heat exchanger tube  105  is adapted to generate a turbulent flow of the secondary air induced by the secondary inducer  104 . 
     
     
         12 . A method  200  of operating an HVAC burner assembly  100 , the method  200  comprising:
 providing the HVAC burner assembly  100  comprising:
 one or more burner  101 ; 
 an inlet manifold  102  in fluid communication with an inlet of the one or more burner; and 
 at least one mechanical blower  103  comprising an impeller; 
 
 receiving, by the at least one mechanical blower  103 , a fuel distributed from a fuel source and primary air; 
 mixing, by the at least one mechanical blower  103 , the received fuel with the primary air to generate a primary air-fuel mixture; 
 supplying, by the at least one mechanical blower  103 , the generated primary air-fuel mixture to the inlet manifold  102  in fluid communication with the at least one mechanical blower  103 ; 
 supplying, by the inlet manifold  102 , the primary air-fuel mixture to the inlet  101  a of the one or more burner  101 ; and 
 igniting, by the one or more burner  101 , the received primary air-fuel mixture. 
 
     
     
         13 . The method  200  of  claim 12 , wherein at least one of a velocity, a pressure, and a primary air-fuel ratio of the primary air-fuel mixture is regulated by adjusting one or more parameters of the at least one mechanical blower  103 . 
     
     
         14 . The method  200  of  claim 12 , wherein the primary air-fuel ratio of the primary air-fuel mixture is regulated based on a type of fuel. 
     
     
         15 . The method  200  of  claim 12 , wherein the fuel is at least one of a hydrogen fuel and a hydrogen blended hydrocarbon fuel. 
     
     
         16 . The method  200  according to  claim 12 , wherein the inlet  101   a  of the one or more burner  101  comprises a venturi shaped throat. 
     
     
         17 . The method  200  according to  claim 12 , wherein a secondary inducer  104  is adapted to induce secondary air to completely combust the primary air-fuel mixture. 
     
     
         18 . The method  200  according to  claim 12 , wherein each inlet  101   a  is at least one of:
 fastened to the inlet manifold  102 ; and 
 welded to the inlet manifold  102 . 
 
     
     
         19 . The method  200  according to  claim 18 , wherein each inlet  101   a  forms an interface with the inlet manifold  102  upon assembling the one or more burner  101  to the inlet manifold  102 . 
     
     
         20 . The method  200  according to  claim 19 , wherein each interface is sealed.