Enviro-cool, Inc.

Am General LLC

Edward Michael Murray

George R Sturmon

Ralf Pionke

A system for removing heat from the engine compartment () of a heavy duty truck. A first ventilating system removes heat from the radiator. It is isolated from a second ventilating system that removes heat from the engine compartment. The first system takes heat from the radiator through a plenum by centrifugal squirrel cage blowers, and is directs it out to ambient by ductwork. The second system draws ambient air generally from back to front of the engine compartment, preferably by cowl induction, without the use of ram air from the vicinity of the radiator. The exits of the two systems are into a slip stream of the heavy duty truck, and the exit of the second ventilating system is into a slip stream of the first, to scavenge air out of the engine compartment.

Air management system for under-hood heat control

Air management system for heavy duty truck under-hood heat control

A brake system for a vehicle includes a brake unit, a master cylinder, an accumulator, and a manifold configurable to direct brake fluid pressure generated by the master cylinder to the accumulator or to the brake unit. A solenoid valve can be used to hydraulically align the manifold. The brake system can be used as an adjunct or supplement to a vehicle's primary service brake system.

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Fenton, MI, United States of America

Edward Michael Murray