Motor speed control circuit

Details Motor speed control circuit Motor speed control circuit

1982-04-26

1984-08-14

Weldon, Ulysses

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318348, 318349, H02P 506

Patent

active

044659580

ABSTRACT:
A control circuit for a direct current trolling motor powered by a storage battery includes a transistor placed in series between the motor and the battery, a selector switch, and one or more voltage regulating devices such as zener diodes. The selector switch includes a movable or wiper element connected to the battery, and a plurality of contacts, one of which connects the battery directly to the motor, and one of which is unconnected. At least one contact is connected to a zener diode connected to the base terminal of the transistor, to regulate the speed of the motor in a stepwise manner.

REFERENCES:
patent: 3348113 (1967-10-01), Vichr
patent: 3941198 (1976-03-01), Kappas
patent: 4008426 (1977-02-01), Ogura
patent: 4296363 (1981-10-01), Blake et al.

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