Method and device for cleaning fan impellers
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United States of America Patent
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Jun 27, 1995
Grant Date -
N/A
app pub date -
Sep 29, 1993
filing date -
Dec 7, 1990
priority date (Note) -
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status (Latency Note)
Importance
Abstract
In a method of cleaning fan impellers bursts of solid material are discharged towards the impeller blades or other parts of the impeller, subjected to deposits, by pulses of compressed air, shot from a compressed air cannon. A device for cleaning fan impellers includes at least one compressed air cannon for directing shots in the form of pulses of compressed air towards the impeller blades or other parts of the impeller. The outlet cylinder (280) of the cannon is loaded with a charge of solid material (4) to be discharged towards the impeller blades or said other parts of the impeller, upon shooting a pulse of compressed air.
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