Control device for a vibrating armature motor

Details Control device for a vibrating armature motor Control device for a vibrating armature motor

1982-09-29

1984-07-17

Dobeck, B.

Electricity: motive power systems

Impact, mechanical shock, or vibration-producing motors

318129, 318130, 318124, 318128, 310 29, H02K 3300, H02K 3302

Patent

active

044608543

ABSTRACT:
A vibrating armature motor, which includes a voltage source, an armature, an electromagnet having at least one exciter coil disposed adjacent the armature, a spring for rotationally biasing the armature, a sensor element for sensing the rotational velocity of the armature and for generating a signal proportional to the sensed velocity, a variable duty cycle pulse generator for generating a stream of triggering pulses, the duty cycle of the triggering pulses being dependent upon the sensor signal, and an electronic switch for controlling the current flow from the voltage source through the exciter coil in response to the triggering pulses.

REFERENCES:
patent: 3129366 (1964-04-01), Fry
patent: 3480848 (1969-11-01), Church
patent: 3922589 (1975-11-01), Peckingham
patent: 4122378 (1978-10-01), Brown
patent: 4392092 (1983-07-01), Gassner

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