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A stationary spark ignition internal combustion engine which normally operates unattended continuously for long periods of time is modified to eliminate problems in electrical systems. The battery and voltage regulator of the engine is removed and the electrical generator replaced by a magnetic gene

A stationary spark ignition internal combustion engine which normally operates unattended continuously for long periods of time is modified to eliminate problems in electrical systems. The battery and voltage regulator of the engine is removed and the electrical generator replaced by a magnetic generator which produces low power levels which are sufficient only to operate the spark ignition system. A plastic bushing and “O”rings are used to mount a disc magnet to the magnetic generator shaft.

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A magnetic rotor for an electrical generator including a. a stator with b. stator windings connected to c. diode rectifiers, d. said rotor including e. a shaft journaled to the stator, and f. two clam shell pole pieces on the shaft; g. wherein said improved structure comprises in combination with th

A magnetic rotor for an electrical generator including a. a stator with b. stator windings connected to c. diode rectifiers, d. said rotor including e. a shaft journaled to the stator, and f. two clam shell pole pieces on the shaft; g. wherein said improved structure comprises in combination with the above: h. a disc shaped magnet having two radial faces with a centrally located hole i. coaxial with the shaft j. between said clam shell pole pieces, with k. a washer pole piece between each radial face of the magnet and the clam pole piece, l. a synthetic plastic bushing snugly on the shaft, m. said disc magnet around the bushing, and n. two “O”rings between the bushing and disc magnet.