Cyclone dust collecting apparatus

Details Cyclone dust collecting apparatus Cyclone dust collecting apparatus

2004-12-29

2008-08-26

Hopkins, Robert A. (Department: 1797)

Gas separation

With separated gas outflow control

Baffle or flow guide

C055S459100, C055SDIG030

Reexamination Certificate

active

07416575

ABSTRACT:
A cyclone dust collecting apparatus has a cyclone body having an air inlet for drawing in, contaminant-laden air and an air outlet connected with a vacuum suction source. The vacuum provided by the vacuum source draws air from the air outlet, which passes through the cyclone body from the air inlet. As the air flows through the cyclone body, it forms a whirling stream in the cyclone body. The whirling stream creates a centrifugal force on particles that are suspended in the air, which, because of their greater mass, causes them to become separated from air that is drawn out of the whirling stream and into the air outlet by the vacuum source. The air outlet is provided with a passage guide member arranged in the air outlet that reduces the speed of air discharged via the air outlet and also for guiding a flow streamline. The passage guide member reduces a pressure loss by a turbulence flow generated during discharging a cleaned air such that load of vacuum suction resource decreases and power consumption for operating the cyclone dust collecting apparatus can be reduced.

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Japanese Office Action.
Chinese Office Action and English translation, Nov. 17, 2006.
Official Action from the German Patent and Trademark Office, Mar. 27, 2007.

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