Air transfer system for a vehicle-camper outfit

Heat exchange – With vehicle feature – Heating and cooling


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62244, 98 211, 237 123R, 296166, B60H 304




An air transfer system for conveying air from the heater-air conditioner of a vehicle to the interior of an accessory such as a camper, trailer, and the like attached to the vehicle. The air transfer system includes a main conduit that is attached at one end to the air spreader of the heater-air conditioner of the vehicle to receive conditioned air therefrom. In one embodiment, the main conduit is positioned under or over the front seat of the vehicle and the other end of it passed through a hole in the back window of the vehicle and mounted to an adaptor positioned adjacent a hole in the front window of the camper. In two of the embodiments, the ends of the main conduit have collars that are slideably receivable within adaptors mounted to the air spreader and the window of either the vehicle of the camper. A third embodiment has a collar mounted around the main conduit adjacent its second end. The collar is slideably receivable about a raised portion on an adaptor mounted on the back window of the vehicle to position the actual end of the conduit adjacent the air inlet passage of the interior of the camper. The invention may include plug plates that can be easily placed over the holes in the windows of the camper and the vehicle when the air transfer system is not in use.

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patent: 3855814 (1974-12-01), Eubank
patent: 3900224 (1975-08-01), Copeland
patent: 4057269 (1977-11-01), Bislen


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