公开(公告)号：US20150059732A1

公开(公告)日：2015-03-05

申请号：US14357158

申请日：2012-10-17

Applicant: A.O. Smith Corporation

Inventor： Bu Qia ,  Dayan Bi ,  Sujuan Zhou ,  Shiping Zhang ,  Yuehua Wu

IPC: F24H9/20 ,  F24H9/00 ,  F24H1/10

CPC classification number: F24H8/00 ,  F24H1/107 ,  F24H1/145 ,  F24H9/0005 ,  F24H9/2035 ,  Y02B30/102

Abstract: A thermostatic condensing gas water heater, comprising a burner; a first heat exchanger (7), a second heat exchanger (4), a water inlet pipe (10), and a water outlet pipe (9) provided in succession along the flow direction of the burnt flue gas; a controller; and a water flow channel connecting the first heat exchanger (7) and the second heat exchanger (4) in parallel between the water inlet pipe (10) and the water outlet pipe (9), wherein flow control valves (3, 5) capable of adjusting the water flow distribution of the first heat exchanger (7) and the second heat exchanger (4) are provided on the water flow channel and controlled by the controller.

Abstract translation: 一种恒温冷凝式燃气热水器，包括燃烧器; 第一热交换器（7），第二热交换器（4），进水管（10）和出水管（9），其沿着燃烧烟道气的流动方向连续设置; 控制器 以及在所述进水管（10）和所述出水管（9）之间并联连接所述第一热交换器（7）和所述第二热交换器（4）的水流通道，其特征在于，所述流量控制阀（3,5） 调节第一热交换器（7）和第二热交换器（4）的水流量分布设置在水流通道上并由控制器控制。