Multiple rapper control for electrostatic precipitator

Details Multiple rapper control for electrostatic precipitator Multiple rapper control for electrostatic precipitator

1990-07-27

1992-12-22

Teska, Kevin J.

Boots, shoes, and leggings

55105, 55112, 364505, 364480, B03C 376, G06F 1546

Patent

active

051738678

ABSTRACT:
A multiple rapper control (10) for an electrostatic precipitator for monitoring and individually controlling each of a plurality of rappers based on computer (12) stored rapper characteristics including the voltage type, the voltage level, the pre-set electrical input current, the minimum increment between energization cycles, and the maximum duration of energization. Each rapper is connected to a TRIAC switch device (20) linked to a computer (14) and a power control means (16) to vary the input power to each rapper supplied from a power source (18). Current detecting means (22) is bi-directionally connected to the computer (14) and is connected to the power control means (16) to sense and measure the peak electrical input current to each rapper. A preselected logic sequence stored in the computer (12) controls power to each rapper. Optional polarity reversal means (37) eliminate undesirable magnetization of rapper components.

REFERENCES:
patent: 4008057 (1977-02-01), Gelfand et al.
patent: 4035165 (1977-07-01), Archer
patent: 4086646 (1978-04-01), Lanese
patent: 4111669 (1978-09-01), League
patent: 4255775 (1981-03-01), Andrews
patent: 4290003 (1981-09-01), Lanese
patent: 4624685 (1986-11-01), Lueckenotie et al.
patent: 4928456 (1990-05-01), Del Gatto et al.
patent: 5015267 (1991-05-01), Del Gatto et al.

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