Gasoline engine EMI suppression system

Details Gasoline engine EMI suppression system Gasoline engine EMI suppression system

1986-03-19

1987-09-08

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Radio interference protection

123599, 123143C, F02P 1100

Patent

active

046916679

ABSTRACT:
A spark ignition engine device adapted for use with a pump. The engine is mounted on a mounting structure. The engine has a magneto flywheel for generating an ignition current and a high-voltage ignition coil means electrically connected by a first conductive wire means to the magneto. A conductive shield covers the first wire means and is grounded. The spark plugs are electrically connected by a second conductive wires means to the coil to deliver a high-voltage spark to the engine. The second wire means is also covered by a conductive shield covering and the shield is grounded. A control box is provided and grounded to the mounting structure. The control box is positioned to enclose the coil means and to receive the shielded first wire means. The box has a capacitor means grounded to the box and connected to said shielded first wires to prevent reverse flow of EMI to the magneto.

REFERENCES:
patent: 1837255 (1931-12-01), Du Pont et al.
patent: 2462489 (1949-02-01), Hallatt
patent: 3293352 (1966-12-01), Livingston
patent: 3965879 (1976-06-01), Fitzner
patent: 4078534 (1978-03-01), Mayor
patent: 4491121 (1985-01-01), Miura et al.
patent: 4494520 (1985-01-01), Hurwitz

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