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    • 7. 发明申请
    • HAIR DRYER
    • 吹风机
    • US20140345156A1
    • 2014-11-27
    • US14239569
    • 2012-07-27
    • Stephen Anthony SayersRobert Alexander WeatherlyDaniel Brady
    • Stephen Anthony SayersRobert Alexander WeatherlyDaniel Brady
    • A45D20/08F26B21/00
    • A hair dryer (10) has a hand-held housing comprising an air inlet (12), an air outlet (14), a motor (1) between said air inlet (12) and said air outlet (14) to draw air in from said air inlet (12) and drive air out from said air outlet (14). A heating element (17) is located in said air flow between said air inlet (12) and said air outlet (14). The hair dryer (10) further comprises a filter on said air inlet (12). The filter comprises a metal filter plate (20) bearing a plurality of holes, wherein at least some of said holes have a maximum lateral dimension of less than 1.5 mm and wherein vertical walls of said holes through a thickness of said filter plate are substantially straight or at least partially concave.
    • 吹风机(10)具有手持式壳体,其包括进气口(12),空气出口(14),位于所述空气入口(12)和所述空气出口(14)之间的电动机(1) 从所述进气口(12)排出并从所述空气出口(14)排出空气。 加热元件(17)位于所述空气入口(12)和所述空气出口(14)之间的所述空气流中。 吹风机(10)还包括在所述空气入口(12)上的过滤器。 过滤器包括具有多个孔的金属过滤板(20),其中至少一些所述孔具有小于1.5mm的最大横向尺寸,并且其中穿过所述过滤板厚度的所述孔的垂直壁基本上是直的 或至少部分凹入。
    • 10. 发明授权
    • Thermal control apparatus and method
    • US11558930B2
    • 2023-01-17
    • US15733241
    • 2018-12-18
    • Jemella Limited
    • Innocent MafuveMarcos FernandezTimothy Moore
    • A45D1/04A45D1/28A45D2/00H05B1/02H05B3/26H05B3/00A45D1/06
    • The present invention provides a heating apparatus for heating a load. The heating apparatus comprises a heater having a heating element for receiving electrical power and for converting the electrical power into heat to heat a heating surface of the heater. The heating apparatus also comprises a temperature sensor for sensing and outputting a measurement of the temperature of the heating element, a power actuator for providing the electrical power to the heating element of the heater, a power sensor for sensing and outputting a measurement of the power provided to the heating element by the power actuator, and control circuitry for controlling the power actuator to control the power delivered by the power actuator to the heating element. The control circuitry is configured to receive the temperature measurement from the temperature sensor, receive the power measurement from the power sensor, combine the temperature measurement and the power measurement, and control the power actuator in dependence upon the combined temperature measurement and power measurement. This ensures that the temperature of the heating surface is constant throughout a period when the load is applied.