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    • 6. 发明申请
    • Dual function high efficiency water heater
    • 双功能高效热水器
    • US20060150927A1
    • 2006-07-13
    • US11288062
    • 2005-11-28
    • Scott NightlingerAgnieszka NightlingerGrzegorz LoniewskiPiotr Loniewski
    • Scott NightlingerAgnieszka NightlingerGrzegorz LoniewskiPiotr Loniewski
    • F24H1/00
    • F24H1/205
    • This gas-fired water heater has a shell sealed at opposite ends within an insulated storage tank, defining a water-tight chamber with inlet and outlet water connections thereto. The shell preferably is a one-piece casting of aluminum alloy, with a circular array of impervious passages between its opposite ends. Each passage is defined by a curved wall segment spaced inwardly adjacent the tank and a pair of side walls converging inwardly from opposite ends of each curved wall segment to an inboard corner, where the adjacent corners and side walls are spaced apart radially and circumferentially respectively yielding water contact against all exterior passage surfaces. A burner under the storage tank generates hot flue gases that vent through the passages for heating the chamber water. A rib can project inwardly from the curved wall segment into each flow passage, adding heat transfer to the wall segment and contacted water.
    • 该燃气热水器具有在绝缘储罐内的相对端密封的外壳,限定了具有入口和出口水连接的水密室。 壳体优选是铝合金的单件铸件,其相对端之间具有不透水通道的圆形阵列。 每个通道由在箱周围向内间隔开的弯曲壁段和从每个弯曲壁段的相对端向内收敛到内角的一对侧壁限定,其中相邻的拐角和侧壁分别径向和周向间隔开,产生 水接触所有外部通道表面。 储罐下方的燃烧器产生热烟道气,通过通道加热室内水。 肋可以从弯曲的壁段向内突出到每个流动通道中,从而将热量传递到壁段并接触水。