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US 7,867,308 B2Granted
Cyclonic array such as for a vacuum cleaner
AssigneeG.B.D. Corp.
InventorWayne Ernest Conrad
Life of this patent
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Abstract
A cyclonic cleaning stage for a, e.g., surface cleaning apparatus is provided. The cyclonic cleaning stage comprises a plurality of cyclones, which are integrally molded as a single body. Each cyclone has a cyclone body having an upper end, a lower end, a cyclone inlet, and a cyclone outlet. Each cyclone inlet has a top. A separately molded upper cover is mounted to the top of the single body at the upper ends. A separately molded lower cover is mounted on the single body at the lower ends of the cyclones.
Claims21
A cyclonic cleaning unit comprising:
- a) a plurality of cyclones integrally molded, each cyclone having a cyclone body having an upper end, a lower end, a cyclone inlet, and a cyclone outlet, each cyclone inlet having a top;
- b) a separately molded upper cover mounted at the upper ends;
- and,
- c) a separately molded lower cover mounted on the lower ends
- wherein the upper cover has a plurality of filler members and the filler members form part of the cyclone inlets.
2 more elements
A surface cleaning apparatus comprising:
- a) a first cyclonic cleaning stage comprising
- plurality of cyclones integrally molded, each cyclone having an upper end, a lower end, a cyclone inlet, and a cyclone outlet, each cyclone inlet having a top;
- a separately molded upper cover mounted at the upper ends;
- and,
- a separately molded lower cover mounted on the lower ends;
- b) a second cyclonic cleaning stage upstream of the first cyclonic cleaning stage, the second cyclonic cleaning stage having a cyclone outlet and the cyclone outlet is attached to the lower cover;
- c) a dirty air inlet upstream from the cyclonic cleaning stage;
- d) a clean air outlet downstream from the cyclonic cleaning stage
- e) an air flow passage extending from the dirty air inlet to the clean air outlet and including the cyclonic cleaning stage;
- and,
- f) a suction motor.
8 more elements
Dependencies are inferred from the claim text.