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A computer cabinet cooling system comprising an upright tower cabinet having a front panel with an equipment bay for holding heat producing components, a lower aperture and a plurality of air openings. A fan unit having a fan plenum is mounted within the lower aperture of the front panel below the e

A computer cabinet cooling system comprising an upright tower cabinet having a front panel with an equipment bay for holding heat producing components, a lower aperture and a plurality of air openings. A fan unit having a fan plenum is mounted within the lower aperture of the front panel below the equipment bay near the air openings. An inner door is provided having a plurality of air inlet ports, a plurality of air outlet ports, a plurality of spaced apart horizontal air ingress slots and a fan shroud. When the inner door is closed against the front panel, the air outlet ports will align with the air openings in the front panel, the air ingress slots will align with the heat producing components in the equipment bay and the fan shroud will contact the fan unit. An outer door is also provided having an air plenum, a lower orifice with air deflector, and a plurality of spaced apart horizontal air ingress slots. When the fan unit is turned on ambient air will be drawn through the air inlet ports and air outlet ports in the inner door, past the air openings in the front panel, into the fan plenum, out through the fan shroud, past the lower orifice with the air deflector, up through the air plenum in the outer door through the air ingress slots in the outer door, past the air ingress slots in the inner door and into the equipment bay in the front panel to cool the heat producing components in the upright tower cabinet.

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1. A computer cabinet cooling system comprising:an upright tower cabinet having a front panel with an equipment bay for holding heat producing components, a lower aperture and a plurality of air openings, a fan unit having a fan plenum mounted within said lower aperture of said front panel below sai

1. A computer cabinet cooling system comprising:an upright tower cabinet having a front panel with an equipment bay for holding heat producing components, a lower aperture and a plurality of air openings, a fan unit having a fan plenum mounted within said lower aperture of said front panel below said equipment bay near said air openings, an inner door having a plurality of air inlet ports, a plurality of air outlet ports, a plurality of spaced apart horizontal air ingress slots and a fan shroud, a plurality of hinges mounted between right side of said inner door and right side of said front panel, so that when said inner door is closed against said front panel, said air outlet ports will align with the heat producing components in said air openings in said front panel, said air ingress slots will align with said equipment bay and said fan shroud will contact said fan unit, an outer door having an air plenum, a lower orifice with air deflector, and a plurality of spaced apart horizontal air ingress slots, and a plurality of hinges mounted between left side of said inner door and left side of said outer door in an accordion fashion, so that when said outer door is closed against said inner door, said lower orifice with air deflector will contact said fan shroud and said air ingress slots in said outer door will align with said air ingress slots in said inner door, whereby when said fan unit is turned on ambient air will be drawn through said air inlet ports and said air outlet ports in said inner door, past said air openings in said front panel, into said fan plenum, out through said fan shroud, past said lower orifice with said air deflector and up through said air plenum in said outer door through said air ingress slots in said outer door past said air ingress slots in said inner door and into said equipment bay in said front panel to cool the heat producing components in said upright tower cabinet.