The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 2018
Filed:
Oct. 17, 2012
A. O. Smith Corporation, Milwaukee, WI (US);
Bu Qiu, Jiangsu, CN;
Dayan Bi, Jiangsu, CN;
Sujuan Zhou, Jiangsu, CN;
Shiping Zhang, Jiangsu, CN;
Yuehua Wu, Jiangsu, CN;
A. O. Smith Corporation, Milwaukee, WI (US);
Abstract
A thermostatic condensing gas water heater, comprising a burner; a first heat exchanger (), a second heat exchanger (), a water inlet pipe (), and a water outlet pipe () provided in succession along the flow direction of the burnt flue gas; a controller; and a water flow channel connecting the first heat exchanger () and the second heat exchanger () in parallel between the water inlet pipe () and the water outlet pipe (), wherein flow control valves () capable of adjusting the water flow distribution of the first heat exchanger () and the second heat exchanger () are provided on the water flow channel and controlled by the controller.