Axial fan
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United States of America Patent
Stats
-
Apr 30, 1985
Issued Date -
N/A
app pub date -
Nov 9, 1983
filing date -
Aug 5, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An axial fan, preferably for the cooling systems of water-cooled internal combustion engines, comprises an impeller and an air duct housing provided with a fan guard which is separated by an annular gap from the tips of the impeller blades and is centered on the impeller axis by a support comprising radial arms attached to the fan guard. For noise reduction, the radial arms are supported on the hub of the impeller, on the side facing the fan shaft, by means of a roller bearing held by a mounting plate, and the mounting plate is made independent of the impeller bearing.
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