Vacuum motor fan cover
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United States of America Patent
Stats
-
Feb 28, 1989
Grant Date -
N/A
app pub date -
Feb 10, 1983
filing date -
Feb 10, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fan cover for a bypass vacuum motor unit is produced by forming outlet apertures in an intermediate flat blank and thereafter deforming the blank into a pan-shaped structure with the outlet apertures disposed on its cylindrical sidewall. The fan cover affords economies in tooling for its manufacture, uniformity in performance, and reduced noise in operation.
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Cited Art Landscape
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