Electromagnetic piston engine

Details Electromagnetic piston engine Electromagnetic piston engine

1977-02-28

1978-12-12

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

417416, H02K 706

Patent

active

041297954

ABSTRACT:
The subject of this invention is a piston engine without cranks and crankshaft. Its pistons are operated by neither steam nor gaseous combustion. It depends on electrical energy, but in a manner quite different from those of the conventional electric cars and motors. Its principal parts include electromagnets having iron cores, electromagnets with magnetic-fluid cores, permanent magnets, pistons that could move reciprocatingly in said magnetic-fluid cores, hydraulically operated turbine receiving its pressure from said pistons, electromagnetically operated polarity wheel that performs functions resembling those of commutators and special computers in the selection, reversal, and timing of currents to insure the coordinated movements of the various parts of the engine.
It may be operated as a direct current engine with energy derived from portable storage batteries or generators that are independent of fossil fuels. It does not pollute the atmosphere.

REFERENCES:
patent: 3437044 (1969-04-01), Sanders et al.
patent: 3542495 (1970-11-01), Barthalon
patent: 3942913 (1976-03-01), Bokelman
patent: 3949249 (1976-04-01), Wiseley et al.

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