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A portable cooling or heating system suitable for use on vehicle such as a car, plane or boat, that does not have its own air conditioning system. The system is intended to be combined with a portable cooler chest and includes an electric fan unit that can be powered from the power supply on a vehic

A portable cooling or heating system suitable for use on vehicle such as a car, plane or boat, that does not have its own air conditioning system. The system is intended to be combined with a portable cooler chest and includes an electric fan unit that can be powered from the power supply on a vehicle. The cooling is provided by ice and the like. The system can also be used to heat a confined space by placing a hot material in the chest.

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1. A portable cooling or heating system suitable for use on a vehicle, the portable system comprising a plate dimensioned to fit on a ledge surrounding the space within a predetermined sized portable cooler chest and to extend across the entire space, the plate having two openings therethrough; the

1. A portable cooling or heating system suitable for use on a vehicle, the portable system comprising a plate dimensioned to fit on a ledge surrounding the space within a predetermined sized portable cooler chest and to extend across the entire space, the plate having two openings therethrough; the first opening being a vent for the passage of air; an electric motor and fan unit connected into and extending inwardly through the second opening, the unit being disposed to extend into the space within the predetermined cooler chest; and means for providing electrical power to the electric motor; wherein when the plate is supported within the cooler chest space and a cold material is placed in the chest, air forced into the chest by the fan unit is cooled and when vented through the first opening, can serve to cool a vehicle. 2. The portable system of claim 1 comprising a vent grill, covering the first opening, for the passage of air without permitting large particles to pass through the opening. 3. The portable system of claim 2, wherein the grill comprises a set of louvers that are rotatable about an axis of the opening. 4. The portable system of claim 3, wherein the set of louvers are also tiltable. 5. The portable system of claim 1 wherein the system is designed such that when resting upon the ledge within a predetermined size portable cooler, the electric motor and fan unit is disposed to extend into the predetermined cooler chest and to not extend above the top of the cooler chest. 6. The portable system of claim 1 comprising a baffle secured to the plate and located intermediate the two openings, disposed to extend inwardly into the predetermined cooler chest. 7. The portable system of claim 6, wherein the baffle has openings to permit the passage of air therethrough when air cannot pass around the end of the baffle. 8. The portable system of claim 1, wherein the means for providing electrical power to the electric motor comprises a power cord having a plug suitable to electrically connect to the power supply of a vehicle. 9. A portable cooling or heating system suitable for use on a vehicle, the portable system comprising a plate dimensioned to fit on a ledge surrounding the space within a predetermined sized portable cooler chest and to extend across the entire space, the plate having two openings therethrough; a vent grill, for the passage of air without permitting large particles to pass through, covering one of the openings; an electric motor and fan unit connected into and extending inwardly through the second opening, the unit being disposed to extend into the space within the predetermined cooler chest and to not extend above the top of the cooler chest; means for providing electrical power to the electric motor; a baffle secured to the plate and disposed to extend inwardly into the space within the predetermined cooler chest and located intermediate the two openings; wherein when the system is resting on the cooler chest ledge, and a cold material is placed in the chest, air forced into the chest by the fan unit is cooled and when vented through the grill can serve to cool a vehicle.