Michael Best & Friedrich LLP
Condensing gas water heater, condensing heat exchanger and heat exchanger plate
The invention discloses a condensing gas water heater, a condensing heat exchanger as well as heat exchanger plates. The condensing heat exchanger comprises: a housing and at least one heat exchanger plate disposed in the housing; the heat exchanger plate comprises a first metal board and a second metal board butting each other, wherein a surface of the first metal board and a surface of the second metal board which butt each other are butting surfaces, and two outer surfaces opposite to the butting surfaces are a first surface and a second surface, respectively; at least one of the first metal board and the second metal board is formed with a convex flow guide portion along a direction away from the butting surface; the first metal board and the second metal board form a fluid passage via the flow guide portion.
A. O. SMITH CORPORATION
Y F F F F F F F
Y02B F24H F24H F28D F24H F28F F28D F24H
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Maohu Shuohong Xiaowei
Cai Jin Zhou