Electricity: motive power systems – Linear-movement motors
Patent
1987-12-07
1990-10-23
Skudy, R.
Electricity: motive power systems
Linear-movement motors
318132, 310 12, 310 16, 310 17, 310 27, 32420735, 417417, 417418, H02K 4100
Patent
active
049658646
ABSTRACT:
An electromechanical linear motor incorporating a number of electrically conductive drive coils arranged axially and embedded in a composite matrix so as to form a hollow cylinder within which a piston or pistons are placed. Permanent magnets or conductive coils arranged around the circumference of the pistons interact through magnetic coupling with the drive coils so as to cause the piston to move in accordance with the currents applied to the drive coils. These currents are supplied through logic control circuitry which receives inputs from a number of sensors including piston position sensors, thermostats, pressure transducers and timers. Based on the information received from these sensors, a microprocessor controlled power circuit provides electrical pulses of a frequency, amplitude and duration designed to produce piston motion appropriate to the specific application.
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Roth Bruce A.
Roth Paul E.
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