High current multiterminal bushing controller

Details High current multiterminal bushing controller High current multiterminal bushing controller

1989-08-07

1990-06-05

Lindsay, Robert L.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 2, 65 29, 65162, 65DIG4, 373 28, 219494, 219504, C03B 502, C03B 3707

Patent

active

049310755

ABSTRACT:
An improved bushing controller is shown which utilizes an auxiliary transformer in each of the variable impedance circuits in the controller and the bushing tha the controller is connected to increase the current capability of the controller by a significant percentage. Improved performance of fiber glass bushings producing multiple forming packages is realized.

REFERENCES:
patent: 4657572 (1987-04-01), Desai et al.
patent: 4780120 (1988-10-01), Varrasso et al.

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