Importance

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Abstract

An air flow panel for mounting on a vertical wall in association with semi-trailer type refrigeration units has alternating valleys and ridges adjacent the vertical wall, each which terminate in circular openings facing the trailer floor. The ridges and valleys provide significant structural benefit, and in addition provide air flow pathways that terminate at different heights above the trailer floor. Small horizontal dimples extend from the vertical wall to a small groove adjacent the cargo surface. The juxtaposition of the small groove enhances structural integrity during significant impact from the cargo area. Circular screens are additionally pressed into the circular air intake openings. The intake screens have legs extending from a screen grid. The legs not only interlock with the panel but also space the grid from the panel, thereby increasing the effective screen size and decreasing resistance to air flow through the openings. Since the grid is spaced from the panel, the intake screen legs may be readily manually accessed and attached to or released from the panel without conflicting with the screen.

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First Claim