Electrostatically operated dust collector

Details Electrostatically operated dust collector Electrostatically operated dust collector

1982-09-02

1985-02-26

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323903, 55105, B03C 368

Patent

active

045020027

ABSTRACT:
An improved electrostatically operated dust collector is disclosed which includes a high voltage power supply circuit by way of which a direct current having high voltage fed from a commercial power supply network is applied thereto and a control circuit for controlling said high voltage power supply circuit. The improvement consists in that the dust collector further includes an intermittently operative electric power feed circuit in which feeding of DC electric power thereto is effected for a period of time T.sub.1, then feeding of electric power is intermitted for a period of time T.sub.2. The aforesaid steps are repeated. A preset circuit also forms part of the improvement in which circuit the aforesaid feeding time T.sub.1 and no-feeding time T.sub.2 are preset to a required value respectively. An intended energy saving is ensured by the improvement.

REFERENCES:
patent: 3984215 (1976-10-01), Zucker
patent: 4061961 (1977-12-01), Baker
patent: 4267502 (1981-05-01), Reese et al.

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