Dust collecting unit of vacuum cleaner
First Claim
Patent Images
1. A dust collecting unit for a vacuum cleaner, comprising:
- a dust separating chamber with an air inlet formed on an outer surface thereof in a tangential direction;
a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion;
an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber and the dust separating chamber, wherein a communicating hole is formed at a lower side of the main dust collecting chamber for causing air to be introduced from the main dust collecting chamber to the auxiliary dust collecting chamber, and a communicating hole is formed at an upper side of the dust separating chamber for causing air to be introduced from the dust separating chamber to the auxiliary dust collecting chamber; and
a cover which is mounted to open and close on a top face of the dust separating chamber, wherein an opening is formed in the center of the cover, and wherein air is discharged through the opening.
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Abstract
A dust collecting unit for a vacuum cleaner is provided. The dust collecting unit includes a dust separating chamber with an air inlet formed on an outer surface thereof and an air outlet formed on one side thereof, a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion, an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber, and a partition plate for partitioning the main dust collecting chamber. The dust collecting unit allows an amount of air sucked and the efficiency of collecting dust and dirt to be greatly increased.
76 Citations
13 Claims
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1. A dust collecting unit for a vacuum cleaner, comprising:
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a dust separating chamber with an air inlet formed on an outer surface thereof in a tangential direction; a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion; an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber and the dust separating chamber, wherein a communicating hole is formed at a lower side of the main dust collecting chamber for causing air to be introduced from the main dust collecting chamber to the auxiliary dust collecting chamber, and a communicating hole is formed at an upper side of the dust separating chamber for causing air to be introduced from the dust separating chamber to the auxiliary dust collecting chamber; and a cover which is mounted to open and close on a top face of the dust separating chamber, wherein an opening is formed in the center of the cover, and wherein air is discharged through the opening. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A removable dust collecting unit for a cyclonic vacuum cleaner, comprising:
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a top cover having a centrally located air outlet; a dust collecting casing comprising a main dust collecting chamber formed within the dust collecting casing and an auxiliary dust collecting chamber located externally adjacent to the main dust collecting chamber, wherein communicating holes are formed to open into the auxiliary dust collecting chamber, wherein one of the communicating holes is formed at an upper portion of the dust collecting casing, and one of the communicating holes is formed at a lower portion of the main dust collecting chamber; and a bottom cover, wherein the top cover is freely detachable from the dust collecting casing while the bottom cover is fixably hinged to the dust collecting casing by a hinge on one side; and a filter attachable to the top cover. - View Dependent Claims (8, 9, 10, 11)
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12. A dust collecting unit for a vacuum cleaner, comprising:
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a dust separating chamber with an air inlet formed on an outer surface thereof in a tangential direction; a main dust collecting chamber formed in the dust separating chamber for separating dust and dirt in a cyclonic fashion; an auxiliary dust collecting chamber formed at one side of the main dust collecting chamber and the dust separating chamber; a cover which is mounted to open and close on a top face of the dust separating chamber, wherein an opening is formed in the center of the cover, and wherein air is discharged through the opening; and a filter mounted to the dust separating chamber for filtering out fine dusts wherein an upper communication hole is formed in an upper portion of the dust separating chamber for communication between the dust separating chamber and the auxiliary dust collecting chamber and a lower communication hole is formed in a lower portion of the main dust collecting chamber for communication between the main and auxiliary dust collecting chambers.
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13. A removable dust collecting unit for a cyclonic vacuum cleaner, comprising:
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a top cover having a centrally located air outlet; a dust collecting casing comprising a main dust collecting chamber formed within the dust collecting casing and an auxiliary dust collecting chamber located externally adjacent to the main dust collecting chamber; and a bottom cover, wherein the top cover is freely detachable from the dust collecting casing while the bottom cover is fixably hinged to the dust collecting casing by a hinge on one side, wherein a communicating hole is formed between the main dust collecting chamber and the auxiliary dust collecting chamber, wherein the communicating hole is formed at an upper portion of the main dust collecting chamber, and wherein the communicating hole formed at the upper portion of the main dust collecting chamber comprises an upper communicating hole, and further comprising a communicating hole formed at a lower point of the main dust collecting chamber.
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Specification