Cyclonic vacuum cleaner system
a vacuum cleaner and cyclonic technology, applied in the field of vacuum cleaners, can solve the problems of limited particulate removal efficiency of cyclonic vacuum cleaners, diminishing desirable natural vortex, etc., and achieve the effect of improving sequential cyclonic vacuum cleaners
Inactive Publication Date: 2009-02-12
PRIME SOURCING
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- Description
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Benefits of technology
"The present invention provides an improved sequential cyclonic vacuum cleaner that overcomes disadvantages of previous designs. The cyclone system includes an array of primary and secondary cyclone chambers, as well as a manifold that communicates with each chamber. The primary chambers have an air-extraction exit tube that extends into the chamber and a particulate screen across the inlet. The secondary chambers also have an air-extraction exit tube and a fine particulate receptacle. The cyclone system can be used in an upright vacuum cleaner. The technical effects of the invention include improved vacuum performance, reduced noise, and improved air quality."
Problems solved by technology
Such known cyclonic vacuum cleaners have limited particulate-removal efficiency and indeed the location of a secondary chamber within a primary chamber, or the extension of an elongated exit tube into the cyclonic chamber diminishes desirable natural vortex which might otherwise be induced in the chamber.
Method used
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[0029]In FIG. 1 of the accompanying drawings there is depicted schematically a cyclone system 9 for a vacuum cleaner. The system 9 includes a pair of primary cyclone chambers 11a and 11b and a common manifold 13 connecting the primary chambers to a trio of secondary cyclone chambers 14a, 14b and 14c.
[0030]Each primary cyclone chamber 11 is substantially cylindrical in form and comprises an inlet port 12 at the top end which extends tangentially therefrom. Each inlet port 12 would be connected via appropriate manifolding and suction ducting to a vacuum cleaning head or suction hose for example. The tangential transition of the dirty air inlet port 12 to the cylindrical chamber induces a cyclonic flow within the chamber. The chamber 11 includes at its bottom a large particulate receptacle area 17.
[0031]Whilst FIG. 2 depicts a second system 10 incorporating only single primary cyclone chamber 11 and single secondary cyclone chamber 14, the details shown in the figure can apply equally...
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Abstract
A cyclone system for a vacuum cleaner includes an array of two or more primary cyclone chambers, an array of two or more secondary cyclone chambers situated downstream of the primary cyclone chambers, and a manifold situated downstream of and communicating with the primary cyclone chambers and upstream of and communicating with the secondary cyclone chambers.
Description
BACKGROUND OF THE INVENTION [0001]The present invention relates to vacuum cleaners. More particularly, although not exclusively, the invention relates to “bagless” vacuum cleaners having cyclonic filtering chambers.[0002]Cyclonic chamber vacuum cleaners are known. Some such vacuum cleaners employ both a primary cyclonic chamber for removing large particulate material from an air stream, and a secondary cyclonic chamber housed within the primary chamber for separating smaller particulate material from the air stream after passing through the primary chamber.[0003]Some cyclone vacuum cleaners comprise a long exit tube extending into the cyclonic chamber and around which a cyclonic flow is induced.[0004]Such known cyclonic vacuum cleaners have limited particulate-removal efficiency and indeed the location of a secondary chamber within a primary chamber, or the extension of an elongated exit tube into the cyclonic chamber diminishes desirable natural vortex which might otherwise be indu...
Claims
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IPC IPC(8): A47L9/16
CPCA47L5/28A47L9/1641A47L9/1625
Inventor LEE, YIU-MING
Owner PRIME SOURCING