Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1977-12-05
1979-12-18
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
310 32, H02K 706
Patent
active
041796314
ABSTRACT:
A pair of spaced, toroidal-shaped, electromagnetic coils are enclosed in a cylindrical housing and when supplied with alternating D.C. current, cause a floating armature to reciprocate therebetween. The armature includes a non-conductive linear output drive rod secured thereto and extending therefrom through the central opening in at least one of the electromagnetic coils to deliver the force generated by the reciprocating armature to a suitable force transmitting mechanism. The armature floats within the cylindrical housing and is so positioned with respect to the electromagnets, that its path of movement is totally between the two opposed electromagnets and never enters the central opening formed therein, whereby frictional losses are eliminated, the strength of the magnetic flux field is maximized, and the magnetic force generated by each electromagnet acts more consistently over the entire armature throughout its path of movement.
REFERENCES:
patent: 1198934 (1916-09-01), Le Grande
patent: 1428489 (1922-09-01), Mace
patent: 1703997 (1929-03-01), Greenwood
patent: 3718829 (1973-02-01), Wilson
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