Device for the supply of a continuous current electric motor, in

Details Device for the supply of a continuous current electric motor, in Device for the supply of a continuous current electric motor, in

1989-10-23

1990-11-20

Ro, Bentsu

Electricity: motive power systems

Plural diverse motor controls

Motor-reversing

318266000, 318468000, H02P 308

Patent

active

049721283

ABSTRACT:
A device includes a Zener diode (2) and a resistor 3, for regulating a motor supply voltage, and switches (4, 5, 6) for controlling the operation of a motor and the inversion of the rotational direction of the motor, and is capable of being operated by the user. The device also includes: a transistor circuit (7, 10, 14) for regulating the rotational speed of the motor (1) as a function of the effort required by the motor, a portion of the transistor circuit being connected in series with the motor; and a relay (8) for short-circuiting the transistor circuit under the control of a sequencer or microprocessor (9) following a predetermined sequence.

REFERENCES:
patent: 3426262 (1969-02-01), Colter
patent: 3851235 (1974-11-01), Harrison
patent: 4001661 (1977-01-01), Terabayashi
patent: 4272708 (1981-06-01), Carle et al.
patent: 4394605 (1983-07-01), Terazawa
patent: 4459521 (1984-07-01), Barge
patent: 4644235 (1987-02-01), Ohta
patent: 4710685 (1987-12-01), Lehnhoff et al.

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