Patent ID: 8154867
Filing Date: 2012-04-10
Classification: H05K

Abstract:
1. An apparatus, comprising: a housing having a first side, a second side opposite the first side, and a third side between the first side and the second side; a backplane having a first side and a second side opposite the first side, the backplane positioned within the housing such that the first side of the backplane faces the first side of the housing; a first set of circuit cards removably connected to the first side of the backplane and arranged in a first direction; a second set of circuit cards removably connected to the first side of the backplane and arranged in the first direction; a central set of circuit cards removably connected to the first side of the backplane between the first set of circuit cards and the second set of circuit cards and arranged orthogonally to the first direction; a shared ventilation chamber adjacent to the second side of the backplane a first air inlet between the first set of circuit cards and the central set of circuit cards, the first air inlet being below the first set of cards; a first ventilation chamber fluidly connected between the first set of circuit cards and the shared ventilation chamber, the first ventilation chamber being above the first set of cards; a second air inlet between the second set of circuit cards and the central set of circuit cards, the second air inlet being above the second set of cards; a second ventilation chamber fluidly connected between the second set of circuit cards and the shared ventilation chamber, the second ventilation chamber being below the second set of cards; a central air inlet between the central set of circuit cards and the third side of the housing, the central air inlet being on a first lateral side of the central set of circuit cards; and a central ventilation chamber fluidly connected between the central set of circuit cards and the shared ventilation chamber, the central ventilation chamber being on a second lateral side of the central set of circuit cards, the second lateral side being opposite the first lateral side of the central set of circuit cards.