Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1998-04-21
2000-01-25
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361687, 361692, 361695, 361720, 165 803, 3122232, H05K 720
Patent
active
060184582
ABSTRACT:
A constant impedance air baffle assembly having two spaced apart generally parallel plates, each having a plurality of through holes for placing in line with a plurality of circuit cards to be cooled. The circuit cards are mounted on one side of a printed circuit board, and arranged in varying numbers and placements, depending on the number of cards desired. The air baffles provide a constant impedance to the air flow over the cards such that air does not bypass other components that need to be cooled when the circuit cards are removed. Further, the baffle plates include hanger tabs which may be hung over the edge of a printed circuit board to hold the parallel plates in place. The hanger tabs further include spacing slots for holding a pair of side-by-side printed circuit boards apart such that the printed circuit boards upon which said air baffle is hung cannot flex and short the pins on the backs thereof together.
REFERENCES:
patent: 4399485 (1983-08-01), Wright et al.
patent: 4730233 (1988-03-01), Osterman
patent: 5523917 (1996-06-01), Searby
patent: 5680294 (1997-10-01), Stora et al.
Delia David J.
Kelly Peter W.
McClafferty William D.
Schmidt Roger R.
Chervinsky Boris
Gonzalez Floyd A.
International Business Machines - Corporation
Picard Leo P.
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