| 摘要 |
A air renewal device comprising: a box in a generally rectangular configuration, the box having large parallel side walls and short parallel end walls coupled in a rectangular configuration, the box also having upper and lower parallel walls coupling the end and side walls; one wall having a first aperture for the receipt of stale air from a building and a second aperture for the exhaust of stale air to exterior of the building; a third aperture in one of the end walls adjacent to the first aperture for the exhaust of fresh outside air into the home and a fourth aperture adjacent to the second aperture for the receipt of fresh outside air; a plurality of downwardly extending spacer bars extending downwardly from the top wall interior of the device to a location spaced from the bottom wall and a plurality of upwardly extending walls extending upwardly from the bottom wall to a location spaced from the top wall to thereby define a labyrinth within the box; a divider panel located within the box at the midpoint between the path of the labyrinth thereby separating the labyrinth into two parallel flow paths, one flow path extending from the first aperture to the second aperture for the passage of stale air from the building to exterior of the building and a second flow path from the fourth aperture to the third aperture for the passage of fresh air from outside of the building to inside of the building whereby the passage of air along their flow paths will effect the transfer of thermal energy from the air of one flow path to the air of the other flow path as the thermal energy is conducted through the divider panel; and the walls of the box and the spacer bars being fabricated of a thermally insulated elastomeric material and the divider panel being fabricated of a thermally conductive material.
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