Automotive vehicle engine bay ventilation by ducted-fan-operated

Details Automotive vehicle engine bay ventilation by ducted-fan-operated Automotive vehicle engine bay ventilation by ducted-fan-operated

1993-03-01

1996-03-05

Focarino, Margaret A.

Motor vehicles

Power

With means to guide and/or control air for power plant cooling

123 4166, B60K 1106

Patent

active

054959098

ABSTRACT:
A radiator and condenser bridge the front of an engine bay of an automotive vehicle. An electric motor powered ducted fan is disposed directly behind and in enclosing relation to the radiator and condenser to draw air through the radiator and condenser and convey the hot effluent to a location outside the engine bay. While the bay is intended to be ventilated by ram air, any hot spots that may occur in or adjacent the bay, due to an insufficiency or complete lack of ram air, may be ventilated by providing an ejector in association with the ducted fan system. Effluent from the ducted fan is conveyed through the ejector, which by means of venturi effect, creates a relatively low pressure zone. A relatively higher pressure zone at a hot spot is connected by means of a ventilating conduit to the relatively lower pressure zone of the ejector. A ventilating flow is induced through the ventilating conduit and entrained with the effluent for ensuing discharge to a location outside the bay.

REFERENCES:
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patent: 4388804 (1983-06-01), Bushmeyer
patent: 4940100 (1990-07-01), Ueda
patent: 4979584 (1990-12-01), Charles

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