Toroidal vortex bagless vacuum cleaner
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United States of America Patent
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-
Feb 10, 2004
Issued Date -
N/A
app pub date -
Apr 13, 2001
filing date -
May 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are improved vacuum cleaning apparatus that utilize toroidal vortex air flow in order to establish a pressure differential capable of attracting debris. These systems differ significantly from prior vacuum cleaners in that they are essentially closed systems; there is no constant intake and exhaust of fluid. Disclosed herein are toroidal vortex vacuum cleaner nozzles that function with a fluid delivery system, which, in combination, yield a toroidal vortex that is split between the extreme ends of the nozzle. Also disclosed is a complete toroidal vortex vacuum system employing a centrifugal dirt separator. The present invention excels in being more efficient, lighter weight and quieter than the prior art.
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