OPENINGS IN A BLOWER HOUSING FOR NOISE REDUCTION
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United States of America Patent
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Issued Date -
Jun 5, 2014
app pub date -
Nov 22, 2013
filing date -
Dec 4, 2012
priority date (Note) -
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Abstract
A fan arrangement for a heat exchanger of a motor vehicle, a system for a motor vehicle, and a motor vehicle. A fan is arranged downstream of the heat exchanger in an air supply direction. The fan is arranged in a fan cowling which covers an air passage area of the heat exchanger and which is arranged spaced from the heat exchanger in an axial direction and coupled to the heat exchanger via a sealing part. A plurality of air passages having openings are arranged opposite each other in the sealing part. The dimensions of the air passage openings in a direction perpendicular to the air supply direction, in relation to the peripheral area of the sealing part, is at least a factor of 0.025 of the diameter of the fan, and the dimensions of the air passage openings in the direction of the air supply, is at least 0.0025 of the diameter of the fan.
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