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    • 8. 发明公开
    • Method of manufacturing an electric heater assembly
    • Herstellungsverfahrenfüreine Elektrische Heizanordnung
    • EP0903962A2
    • 1999-03-24
    • EP98307268.7
    • 1998-09-08
    • Ceramaspeed Limited
    • Hughes, John Thomas
    • H05B3/74
    • H05B3/74F24C7/067Y10T29/49083Y10T29/49085Y10T29/49087Y10T29/49089Y10T29/49091
    • A method of manufacturing an electric heater assembly with a plurality of electric heating units includes the steps of providing a tray-like support (1) and moulding microporous thermal and electrical insulation material into the support. The tray-like support (1) is formed with a number of dish-like recesses (2), each dish-like recess comprising a base (4) and a surrounding wall (5). The microporous thermal and electrical insulation material is moulded into each dish-like recess to form a base layer (6) against the base (4) of each dish-like recess and an upstanding wall layer (7) against the surrounding wall (5) of each dish-like recess, the base layer (6) being formed integrally with the wall layer (7). At least one electric heating element (12) is provided in each dish-like recess (2), the heating element being supported on or adjacent to the base layer (6). The electric heater assembly is adapted for use behind a plate (10) to provide a plurality of discrete heating zones on the plate.
    • 制造具有多个电加热单元的电加热器组件的方法包括以下步骤:提供托盘状支撑件(1),并将微孔热电绝缘材料模制到支撑件中。 托盘状支撑件(1)形成有多个盘状凹部(2),每个碟形凹部包括基部(4)和周围壁(5)。 微孔热绝缘材料和电绝缘材料被模制到每个碟状凹部中以形成抵靠每个碟形凹部的基部(4)的基底层(6)和抵靠周围壁(5)的直立壁层(7) 每个碟形凹部的基底层(6)与壁层(7)一体地形成。 在每个碟形凹部(2)中设置至少一个电加热元件(12),所述加热元件被支撑在基底层(6)上或其附近。 电加热器组件适于在板(10)的后面使用,以在板上提供多个分立的加热区。