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Electric corrosion-preventive unit

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专利汇可以提供Electric corrosion-preventive unit专利检索,专利查询,专利分析的服务。并且PURPOSE: To stabilize the luminous intensity of an indicating lamp, by installing half- wave rectifiers, which rectifies positive and negative currents separately, at the secondary side of a step-down transformer, simultaneously by utilizing the positive side direct current to prevent the corrosion of a boiler body, and by utilizing the negative side direct current to light the indicating lamp.
CONSTITUTION: The positive side of a low-voltage a.c. generated on the secondary side of a transformer 11 is halfwave-rectified by a diode 12 and a capacitor 13, and the d.c. I
3 is transmitted to an electrode 7, where it is utilized to prevent corrosion of a boiler body. The negative side of low-voltage a.c. is half-wave rectified by a diode 14 and a capacitor 15, and the d.c. I
4 is transmitted through a resistor 16 to a lamp 17. The I
4 is constant in spite of the change in I
3 , consequently the luminous intensity of the lamp is stabilized, thereby improving the durability of the lamp.
COPYRIGHT: (C)1980,JPO&Japio,下面是Electric corrosion-preventive unit专利的具体信息内容。

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