Dust collection unit and vacuum cleaner with the same
First Claim
Patent Images
1. A dust collection unit for a vacuum cleaner, comprising:
- a first filtering chamber filtering foreign objects using a cyclone airflow;
a separation plate defining a top surface of the first filtering chamber;
a filter having a diameter that is reduced as it goes downward in response to airflow rate variation in the first filtering chamber; and
a blocking member provided under the filter to prevent the foreign objects filtered in the first filtering chamber from flying.
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Abstract
A dust collection unit for a vacuum cleaner includes a first filtering chamber filtering foreign objects using a cyclone airflow, a separation plate defining a top surface of the first filtering chamber, a filter having a diameter that is reduced as it goes downward in response to airflow rate variation in the first filtering chamber, and a blocking member provided under the filter to prevent the foreign objects filtered in the first filtering chamber from flying.
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Citations
20 Claims
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1. A dust collection unit for a vacuum cleaner, comprising:
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a first filtering chamber filtering foreign objects using a cyclone airflow;
a separation plate defining a top surface of the first filtering chamber;
a filter having a diameter that is reduced as it goes downward in response to airflow rate variation in the first filtering chamber; and
a blocking member provided under the filter to prevent the foreign objects filtered in the first filtering chamber from flying. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14)
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13. A vacuum cleaner comprising:
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a base;
a dust collection unit disposed on a front portion of the base;
a motor disposed on a rear portion of the base; and
a cover disposed above the base, wherein the dust collection unit comprises;
a first filtering chamber having a relatively large diameter;
a plurality of second filtering chambers formed on an outer circumference of the first filtering chamber;
storing chambers formed under the first and second filtering chambers;
a filter detachably mounted on a center portion of the first filtering chamber, the filter being formed of a rigid plastic material;
a blocking member detachably mounted on the filter, the blocking member having a diameter that is reduced as it goes downward; and
a plurality of airflow preventing plates disposed in a radial direction and integrally formed with a bottom surface of the blocking member. - View Dependent Claims (15, 16, 17, 18)
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19. A vacuum cleaner comprising:
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a base;
a dust collection unit disposed on a front portion of the base;
a motor disposed on a rear portion of the base;
a cover disposed above the base; and
a front support fixing the base and the cover at a front portion, wherein the dust collection unit comprises;
a first filtering chamber formed on a center portion of the dust collection unit and having a relatively large diameter;
a plurality of second filtering chambers formed on an outer circumference of the first filtering chamber;
a filter detachably mounted on a center portion of the first filtering chamber, the filter being formed of a rigid plastic material;
a blocking member detachably mounted on the filter, the blocking member having a diameter that is reduced as it goes downward; and
a plurality of airflow preventing plates disposed in a radial direction and integrally formed with a bottom surface of the blocking member.
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20. A vacuum cleaner comprising:
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a motor generating sucking force;
a dust collection unit filtering foreign objects contained in air introduced by the sucking force generated by the motor; and
a suction assembly guiding outer air to the dust collection unit, wherein the dust collection unit comprises;
a first filtering chamber formed on a center portion of the dust collection unit and having a relatively large diameter;
a plurality of second filtering chambers formed on an outer circumference of the first filtering chamber;
a cone-shaped filter mounted on a center portion of the first filtering chamber;
a blocking member detachably mounted on the cone-shaped filter to prevent the foreign objects from flying; and
an airflow preventing plate integrally formed with the blocking member to stop the cyclone airflow.
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Specification