Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1980-11-20
1983-01-11
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
310 34, 310 35, H02K 3318
Patent
active
043683967
ABSTRACT:
A reciprocating electric motor is shown having a sliding electromagnet aligned between a pair of spaced permanent magnets, where the facing poles of the permanent magnets are of the same polarity, and electrical circuit means is provided for energizing the electromagnet with alternate current flows to create alternate polarities of the electromagnetic field surrounding the electromagnet, whereby at any time there is a strong magnetic field attraction force between the electromagnet and one of the permanent magnets, while there is a strong magnetic field repulsion force between the electromagnet and the other permanent magnet. An electrical switching means is operated by the position of the electromagnet at each end of its reciprocating stroke for reversing the flow of current within the electromagnet and the polarity of the opposite ends of the electromagnet so as to reverse the direction of sliding movement of the electromagnet once it arrives at each end of its stroke. A driven means, such as a pump, is joined to the electromagnet for producing an energy force for driving a turbine, as in an electrically operated vehicle.
REFERENCES:
patent: 2328337 (1943-08-01), Hanchock
patent: 3606595 (1971-09-01), Takamizawa
patent: 3878412 (1975-04-01), Kurpanek
patent: 4161666 (1979-07-01), Bacsanyi et al.
patent: 4187440 (1980-02-01), Ulmer
Caslin Richard L.
Duggan Donovan F.
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