Patent ID: 9004019
Filing Date: 2015-04-14
Classification: F24H,F28D,F28F

Abstract:
1. A water heater, comprising: a housing having a room therein; a burner received in the room of the housing; a water pipe received in the room of the housing and above the burner, wherein the water pipe is formed by bending a pipe into a continuous S-shape to have a plurality of straight sections and U sections, and the U sections are connected to ends of the neighboring straight sections respectively; a plurality of heat exchange plates engaging the water pipe; each of the heat exchange plates has a plurality of slots to engage the straight sections of the water pipe; each of the heat exchange plates has a flange around the slot to be in contact with the water pipe; and each of the heat exchange plates has a recess on an edge of the slot, and a thermal conductor is received in the recess to contact the water pipe.