Axial fan
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 23, 1986
Grant Date -
N/A
app pub date -
Oct 11, 1984
filing date -
Oct 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An axial flow fan with adjustable blades 18 has a spindle 16 for each blade mounted in a hub rim 12. Each spindle has associated therewith a replaceable cartridge 58 having a thrust bearing 70 therein and spaced radial bearings 64, 70. In order to service the bearing, the cartridge can simply be disconnected, e.g. by unscrewing from the rim having removed the blade 18.
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Cited Art Landscape
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