High torque-high speed universal power control console with atta

Details High torque-high speed universal power control console with atta High torque-high speed universal power control console with atta

1990-02-05

1991-08-27

Pellinen, A. D.

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

307 12, 307 38, 338108, 338153, H02J 300

Patent

active

050435949

ABSTRACT:
An operator controlled variable electrical power delivery console and foot pedal controller are provided. The variable electrical power delivery console is designed to supply power to universal motors that are subjected to fluctuating loads that impact the performance of the motor. The invention combines two types of solid state electronic circuits including a selectable power booster circuit that responds to load changes that enables a motor to operate at high torque and another selectable solid state electronic circuit which allows the motor to operate at high speeds and lesser torque demands. The invention includes a selectable auxiliary foot pedal controller that is operator selectable for use with either of the two types of electrical circuits. The foot pedal controller is provided with a mechanical cable linkage that interfaces with a slide type control variable resistor that complements a series connected, rotary actuated linear variable potentiometer located in the console unit, that also controls operation of the two solid state electronic circuits.

REFERENCES:
patent: 3596102 (1971-07-01), Brooks
patent: 4162486 (1979-07-01), Wyler
patent: 4163906 (1979-08-01), Shimamura
patent: 4322711 (1982-03-01), Spangler et al.
patent: 4397251 (1983-08-01), Leutwyler
patent: 4528456 (1985-07-01), Harris
patent: 4549274 (1985-10-01), Lerner et al.

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