Linear sliding motor device

Details Linear sliding motor device Linear sliding motor device

1981-11-27

1984-03-27

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Linear

310 14, H02K 4100

Patent

active

044396988

ABSTRACT:
A linear sliding motor device which includes a solenoid assembly, a sliding rail assembly, and a switching assembly (or a microswitch assembly). Whenever the solenoid is energized with A.C. or D.C. electrical current, the magnetic field generated will magnetize a ferro-magnetic piece located near the solenoid, and will attract said ferro-magnetic piece into the core of the solenoid. Three or more solenoids are connected in series, of which the hollow cores are filled with a rail arranged with ferro-magnetic pieces; then, the power supply of said solenoids is timely and alternately turned on or off by means of a switching means (or a micro-switch assembly). Now, every solenoid will attract the ferro-magnetic piece in the rail one by one in a relay-race manner; if the rail is fixed, the solenoid will move linearly, and vice versa. The linear movement may be arranged towards different direction through an appropriate switching method.

REFERENCES:
patent: Re28358 (1975-03-01), Sommeria
patent: 384775 (1888-06-01), Mengis
patent: 419166 (1890-01-01), Williams
patent: 668978 (1901-02-01), Carlson
patent: 1020942 (1912-03-01), Bachelet
patent: 1241333 (1917-09-01), Bowman
patent: 3493160 (1970-02-01), Sumrall et al.
patent: 4214178 (1980-07-01), Tippner

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