Electricity: power supply or regulation systems – Output level responsive – Phase controlled switching using electronic tube or a three...
Patent
1981-03-23
1983-10-18
Beha, Jr., William H.
Electricity: power supply or regulation systems
Output level responsive
Phase controlled switching using electronic tube or a three...
55105, 323903, 363 86, B03C 368
Patent
active
044108494
ABSTRACT:
In an electric dust collecting apparatus of the type that a dust collecting effect is achieved by applying a high D.C. voltage between dust collecting electrodes, wherein the high voltage is controlled via a typical power control device including thyristors, there is provided an additional control circuit for intermittently controlling the power control device to generate an intermittent high voltage output in such a manner that both the repetition rate and the pulse width of the D.C. high voltage output may be adjusted either manually or automatically so as to improve the dust collecting efficiency of the apparatus and to reduce the power consumption thereof.
REFERENCES:
patent: 3443361 (1969-05-01), Drenning
patent: 3648437 (1972-03-01), Bridges
patent: 4138233 (1979-02-01), Masuda
patent: 4322786 (1982-03-01), Weber
Beha Jr. William H.
Mitsubishi Jukogyo Kabushiki Kaisha
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