Exhaust system air introduction device

Details Exhaust system air introduction device Exhaust system air introduction device

1983-04-15

1986-08-12

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60305, F01N 330

Patent

active

046048650

ABSTRACT:
A device for introducing air into the exhaust system of a V-type motorcycle engine. The device includes an air manifold advantageously positioned within the V of the engine with passages extending to each exhaust passage adjacent each exhaust port. A control valve run by vacuum admits air to the manifold while reed valves control the passageways to each exhaust passage. The portion of the passage extending through the cylinder head in one embodiment includes a simple bore in tangential intersection with the exhaust passages. A pipe is positioned within the bore which has nozzles therethrough for proper introduction of air to the exhaust.

REFERENCES:
patent: 4154058 (1979-05-01), Mase
patent: 4430857 (1984-02-01), Ikenoya

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