Patent ID: 6620039
Filing Date: 2003-09-16
Classification: B60H

Abstract:
A sleeper box defining a volume, the sleeper box comprising:(a) an outer wall having an aperture therethrough; (b) an air plenum having a first air inlet fluidly connected to the aperture in the outer wall, a second air inlet disposed in the sleeper box volume and an air outlet disposed in the sleeper box volume; (c) a control door disposed in the air plenum, the control door being selectively movable between a first position wherein the control door substantially blocks the first air inlet and a second position wherein the control door does not substantially block the first air inlet; (d) a blower fluidly connected to the air plenum such that when the control door is in the second position the blower will cause air to flow into the air plenum through at least the first air inlet and out of the air plenum through the air outlet, whereby fresh air may be selectively provided into the sleeper box.