Methods and apparatus for preventing moisture in fan motor housings
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 3, 2002
Grant Date -
N/A
app pub date -
Jun 20, 2000
filing date -
Dec 27, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fan assembly includes a shroud attached to a motor housing to prevent negative pressure from developing within the motor housing and prevent moisture from being drawn into drain openings. The assembly includes a fan, a motor, a motor housing, and a fan control. The motor and fan control are disposed within the motor housing. The motor housing includes drain openings to permit the motor housing to be assembled and to permit moisture to drain to the environment from the motor housing. The shroud is attached downstream from the fan such that the drain openings remain open to the environment.
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