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    • 2. 发明授权
    • Glow plug having cobalt/iron alloy regulating filament
    • 具有钴/铁合金调节膜的玻璃管
    • US5093555A
    • 1992-03-03
    • US384632
    • 1989-07-21
    • Bertram DupuisMax EndlerPaul Bauer
    • Bertram DupuisMax EndlerPaul Bauer
    • H05B3/12C22C19/00C22C38/10F23Q7/00H01C3/04H01C7/02
    • H01C7/02
    • A sheathed-element glow plug has a front resistance heating filament connected in series with a rear resistance regulating filament having a higher positive temperature coefficient (PTC) than the front filament. The rear filament is made of cobalt/iron alloy consisting of 44-80% by weight cobalt, 20-35% by weight iron, up to 1% miscellaneous components and nickel, if present, in an amount of 0 to less than 15% by weight. The alloy has a resistance ratio (20.degree.-1000.degree. C.) which is no more than approximately 7.5 in the range from about 100.degree. C. to between about 400.degree. C. to about 600.degree. C., and which ratio rises sharply to values from 7.5 to greater thin 12 in the range from 400.degree. C. to 600.degree. C. to about 900.degree. C.
    • 护套元件电热塞具有与具有比前灯丝更高的正温度系数(PTC)的后阻力调节灯串联的前电阻加热灯丝。 后灯丝由钴/铁合金制成,其由44-80重量%的钴,20-35重量%的铁,至多1%的其它组分和镍(如果存在)组成,其量为0至小于15% 重量。 该合金的电阻比(20-1000℃)在约100℃至约400℃至约600℃的范围内不超过约7.5,并且该比例急剧上升 在从400℃至大约900℃的范围内的7.5至更大的薄12的值。
    • 4. 发明授权
    • Glow plug having a series connection of resistant filaments
    • 具有耐电弧系列连接的玻璃插头
    • US5091631A
    • 1992-02-25
    • US383094
    • 1989-07-21
    • Bertram DupuisMax EndlerPaul Bauer
    • Bertram DupuisMax EndlerPaul Bauer
    • F02B1/04F23Q7/00
    • F23Q7/001F02B1/04
    • A glow plug for an air compressing internal combustion engine of the type having a tube which is closed at one end and connected to a plug housing on an opposite end with a wire filemant-like resistance element disposed in an insulating material within the tube and formed two series-connected resistance filaments, of which the rear resistance filament, serves as a regulating filament, having a higher positive temperature resistance coefficient than the front resistance filament, which serves as a heating filament, is improved so as to enable the heating up time to be reduced without adversely impacting upon the effective life of the glow plug. In accordance with various embodiments, this result is achieved through the use of, for example, special alloys for the material of the regulating filament which have a resitance at 1000.degree. C. that is greater than their resistance at 20.degree. C. by a resistance ratio over about 7.5:1, and preferably greater than 12:1, and in particular, about 14:1.
    • 一种用于空气压缩内燃机的电热塞,其具有管,其在一端封闭并且在相对端与插头壳体连接,其中管线状电阻元件设置在管内的绝缘材料中并形成 两个串联的电阻丝,其后电阻丝用作调节丝,具有比用作加热丝的前电阻丝更高的正温度阻力系数,以使加热时间 减少而不会对电热塞的有效寿命产生不利影响。 根据各种实施方案,该结果通过使用例如用于调节丝材料的特殊合金来实现,该合金在1000℃下具有大于其在20℃下的电阻的电阻 比例大于约7.5:1,优选大于12:1,特别是约14:1。