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    • 8. 发明授权
    • Portable quartz heater
    • 便携式石英加热器
    • US5838878A
    • 1998-11-17
    • US381366
    • 1995-01-31
    • Rodney Jane Arthur Wong
    • Rodney Jane Arthur Wong
    • F24C7/04F24H3/04
    • F24C7/043F24H3/0417
    • A portable electric heater including a housing having a bottom wall with front and back portions, a rear wall, a pair of side walls each having front and back portions, a top wall with front and back portions, a divider wall having a given area, and a front grill wall. The rear wall, divider wall and back portions of the bottom, side and top walls define a chamber while the divider wall, the front grill wall, and the front portions of the bottom, side and top walls define a cavity horizontally juxtaposed to the chamber. A plurality of elongated quartz heater elements and a temperature sensor are mounted in the cavity, and an electrically energizable fan is mounted in the chamber. Defined in the rear wall are a plurality of inlet openings, and in the divider wall are a plurality of discharge openings having a combined area equal to less than 2.5% of the given area. Limiting the overall area of the discharge openings reduces in the cavity turbulence which can prevent the detection of hot spots by the temperature sensor.
    • 一种便携式电加热器,包括具有前壁和后部的底壁的壳体,后壁,每个具有前部和后部的一对侧壁,具有前部和后部的顶壁,具有给定面积的分隔壁, 和前格栅墙。 底壁,侧壁和顶壁的后壁,分隔壁和后部限定了一个室,而分隔壁,前格栅壁以及底壁,侧壁和顶壁的前部分限定了一个水平地并排到室的空腔 。 多个细长的石英加热器元件和温度传感器安装在空腔中,并且电激励的风扇安装在腔室中。 在后壁中限定有多个入口,并且在分隔壁中具有多个排出口,其具有等于小于给定面积的2.5%的组合面积。 限制排气孔的总体面积减小了空腔湍流,这可以防止温度传感器检测热点。