Truck hood engine air induction system

Details Truck hood engine air induction system Truck hood engine air induction system

1989-06-30

1990-11-20

Marmor, Charles A.

Motor vehicles

Power

With means to guide and/or control combustion air for power...

180 6921, B60K 1302

Patent

active

049711725

ABSTRACT:
In a hood for a conventional highway truck, induction air for the engine of the truck is drawn by the engine vacuum into the hood through air inlets therein at the upper corners of the grille opening defined by the front hood reinforcement to avoid the more severe road splash contamination. The air is drawn through several turns of ninety degree or smaller angle, including the inlets disposed perpendicularly to the path of travel, through a vertical duct adjacent the front reinforcement, a horizontal duct adjacent the fenders, a rear vertical duct, and the duct-defining rear reinforcement to a connection with the engine air cleaner. Both of the vertical ducts are provided with small drain holes adjacent their lower ends to permit heavier particles and water to drain therefrom. The ducts have been provided with large cross-sectional areas which, in addition to reducing air flow restriction, provide lower air flow velocity which further enables water and heavier particles to drop out of the air stream.

REFERENCES:
patent: 3232368 (1966-02-01), Sullivan
patent: 3641746 (1972-02-01), Smith et al.

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