Heater attachment for evaporative cooler
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United States of America Patent
Stats
-
Jan 9, 1996
Grant Date -
N/A
app pub date -
Mar 10, 1995
filing date -
Mar 12, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heater attachment for an evaporative cooler having an axial airflow fan (10), in which the airflow is divided by an element mount (18) into an inner airflow in alignment with the hub area of the fan, and an outer airflow surrounding the inner airflow. The element mount (18) has an annular bearing wall with bearing surface, and finger sets (19) rotate on the bearing surface to function as shutters to obstruct the outer airflow when element (32) is energized, and by reducing total airflow, the heated inner airflow is at a higher, more comfortable temperature.
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