Tubular centrifugal fan
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 4, 1988
Grant Date -
N/A
app pub date -
Aug 23, 1982
filing date -
Aug 23, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A centrifugal fan having a tubular housing in which an inlet funnel and fan assembly are contained. The fan assembly includes a fan wheel with the fan wheel inlet and inlet funnel overlapping during normal fan operation. A motor is connected to drive the fan wheel and a door is provided for access to the inside of the housing, the fan wheel assembly and motor being supported by the door for movement therewith. Within the present invention, the door further supports the inlet funnel in overlapping relation with the fan wheel inlet for movement with the door, fan wheel assembly and motor without alteration of the overlapping relation.
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