Electromagnetic engine

Details Electromagnetic engine Electromagnetic engine

1981-06-01

1982-08-17

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

310 34, 310 35, H02K 4100

Patent

active

043451748

ABSTRACT:
An electromagnetic engine and method capable of producing a high amount of mechanical power at a high efficiency. An electromagnet or piston operates within a cylinder having a stepped bore therein. The cylinder reciprocates while the piston only pivots. The power stroke occurs for a short duration midway between a top dead center position and a bottom dead center position. Axial magnetic forces are used to impart axial motion to the cylinder which causes rotation of the crankshaft. A plate is positioned within the cylinder up against the step. When the plate is in close proximity to the piston or electromagnet, and the centerline of the cylinder is at a right angle to the throw of the crankshaft, the electromagnet is energized. Sequential energization of each of a plurality of piston-cylinder combinations occurs during each crankshaft rotation.

REFERENCES:
patent: 1018309 (1912-02-01), Ford
patent: 1131614 (1915-03-01), Radtke
patent: 1347002 (1920-07-01), Baule
patent: 1436245 (1922-05-01), Geisler
patent: 1886040 (1932-11-01), Moodyman
patent: 2639544 (1953-05-01), Coffin
patent: 3328656 (1967-06-01), Dotson
patent: 3676719 (1972-07-01), Pecci
patent: 4019103 (1977-04-01), Davis et al.
patent: 4093880 (1978-06-01), Teal

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