Passenger Car Ventilation by Design 650537

Favorable ventilating systems in passenger cars and their influence on the rate of air flow in the passenger compartment are shown. One example shows the pressure distribution along the centerline of the body and the differences in the pressure between possible body air inlets and outlets which determine the rate of air flow with any particular ventilation system.
Several ventilating methods are shown which satisfy the requirements of increased air flow, reduced noise level and defined air flow in passenger compartment, prevention of water entry, and elimination of drafts.
In view of the increasing desire for a reduction of noise level inside the passenger compartment, the noise created by the wind when the windows are opened or when the doors and windows are insufficiently sealed should be eliminated by specific ventilation openings.


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