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Device for ventilating components arranged in rows on a substrate

  • US 4,835,658 A
  • Filed: 12/28/1987
  • Issued: 05/30/1989
  • Est. Priority Date: 12/30/1986
  • Status: Expired due to Fees
First Claim
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1. A ventilation device (10) for cooling a structure, said structure comprising a plurality of components (11) arranged in rows (R1-R4) separated by respective corridors (C2, C3, C4) on a first face (12a) of a board (12), said components having fins extending perpendicularly to said rows, the ventilation device comprising a first and a second conduit adapted to provide an air inlet and an air outlet, said first conduit (14) enveloping all of said components on said face of the board and forming a first and a second additional corridor (C1, C5) with a first and a second outermost row of said components, and having opening means for permitting passage of air (16), said second conduit (15) being contained within the first conduit, said second conduit further being disposed above the rows of components, and having external opening means (17) and internal opening means (18;

  • 18a, 18b) for permitting passage of air therethrough, said internal opening extending along at least one intermediate corridor (C3) of said rows.

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