Vacuum cleaner with motor between separation stages
AssigneeDyson Technology Limited
InventorsCharles Geoffrey Box, Mark Andrew Johnson
Life of this patent
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Abstract
A vacuum cleaner having a main body and a dirt separator that is removably attached to the main body. The dirt separator includes a first dirt-separation stage, a second dirt-separation stage, and a vacuum motor for moving air through the first dirt-separation stage and the second dirt-separation stage. The vacuum motor has an impeller driven by an electric motor. The first dirt-separation stage is then located upstream of the impeller, and the second dirt-separation stage is located downstream of the impeller.
Claims10
A vacuum cleaner comprising a main body and a dirt separator removably attached to the main body, wherein the dirt separator comprises a first dirt-separation stage, a second dirt-separation stage, and a vacuum motor for moving air through the first dirt-separation stage and the second dirt-separation stage, the vacuum motor comprises an impeller driven by an electric motor, the first dirt-separation stage is located upstream of the impeller, and the second dirt-separation stage is located downstream of the impeller, and wherein the first dirt-separation stage comprises a single cyclonic separator, and second dirt-separation stage comprises a plurality of cyclonic separators.
Dependencies are inferred from the claim text.