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    • 66. 发明授权
    • Heating accessory for use with fireplaces
    • 用于壁炉的加热配件
    • US3866595A
    • 1975-02-18
    • US44925474
    • 1974-03-08
    • JONES ROBERT E
    • JONES ROBERT E
    • F24B1/188F24B7/00
    • F24B1/1888
    • A forced air heating system including a heat exchanger for placement along the back wall of a fireplace. Ait intake and air exhaust structures are in opposed placement adjacent the fireplace opening with ducting routing air to and from the heat exchanger. A fan and motor assembly are housed within said air intake structure while baffle means in the exhaust structure serve to channel air therethrough. Said intake and exhaust structures are interchangeable to reverse the direction of airflow through the system to best accomplish room heating.
    • 一种强制空气加热系统,包括一个沿壁炉后壁放置的热交换器。 进气和排气结构在与壁炉开口相邻的相对位置处,导向空气进入和离开热交换器。 风扇和电动机组件容纳在所述进气结构内,而排气结构中的挡板装置用于将空气引导通过。 所述进气和排气结构可互换,以逆转通过系统的气流的方向以最佳地完成室内加热。