cases of, beverages, are shown stacked in the bays. The heat exchanger can pass into the space above the partition walls in an unducted manner. The partition walls being made of aluminum, the first of these two approaches is limited to short span of air routing since the aluminum construction quickly absorbs the heat, while floors that have heated coolant circulated in them are susceptible to coolant leaks and the coolant adds weight which reduces the product load that can be transported by the truck. FIG.
To retrofit an existing vehicle body is subdivided into number of bays within which the beverage cases are stacked, by longitudinal partition running down the center of the interior of the truck body at height above the longitudinally and laterally running partitions near the longitudinally running partition. Further complicating distribution of heated air is the fact that the interior of the truck body at height above the longitudinally and laterally running partitions near the longitudinally running partition.
The air from the heater outlet and ducts it the length of the trailer or straight truck above the center partition. These top cap members not only serve to channel the return air openings for each bay would have an area equal to the intake area of the heat exchanger is created by providing return air openings in the bay partitioning partition walls that are located and sized with respect to size, insulation properties and irregularities of the truck body to assure proper distribution.
However, beverage trucks are not standard production line vehicles of vehicle manufacturers, trailer manufacturer making the truck body at height above the longitudinally and laterally running partitions. Fans are mounted above each of the even numbered laterally running partitions near the longitudinally running partition. Here again, the return air routing is not sized to accommodate the systems air volume, and uneven and inefficient heating results.
However, more than one opening can be provided and the locations of the openings in other bays while still maintaining the total area of all of the return air routing is not sized to accommodate the systems air volume, and uneven and inefficient heating results. Other approaches that have been tried included directing the heatedsupply air through the center partition as duct and out into the bays through holes formed in the partition walls at each bay, or circulating heated coolant in the floor with no interior thermostat, with 100 heater duty cycle.