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US7951216B2 Active / In Force US ⏱️ 2.4 years remaining

Dust separating apparatus of vacuum cleaner

Assignee: LG Electronics Inc
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Filing: 2009-03-19
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Granted: 2011-05-31
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Expires: 2029-03-19
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Abstract

Abstract The present exemplary embodiments relate to a dust separating apparatus for a vacuum cleaner. The dust separating apparatus for a vacuum cleaner according to present exemplary embodiments includes a cyclone in which a plurality of cyclone airflows is formed; a dust outlet for discharging dust separated by the plurality of cyclone airflows; and a dust container for storing dust discharged from the dust outlet, wherein the cyclone includes a body in which air flows along an inner surface thereof, and a pair of sides, each of the sides forming one of both side surfaces of the body and defining an outlet for discharging air.

Inventors

  • 👤 Gun-Ho Ha
  • 👤 Kyeong-Seon Jeong
  • 👤 Jin-Wook Seo
  • 👤 Kie-tak Hyun
  • 👤 Chang-Ho Yun
  • 👤 Jin-Young Kim
  • 👤 Chang-hoon Lee
  • 👤 Jin-hyouk Shin
  • 👤 Seong-koo Cho
  • 👤 Heon-Pyeong Ji
  • 👤 Geun-bae Hwang

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:20
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/16; A47L9/1608; A47L9/1616; A47L9/1641; A47L9/165; A47L9/1658; A47L9/1666; A47L9/1683; Y; Y10; Y10S; Y10S55/00; Y10S55/03

Claims Analysis

Total Claims: 28
Claim 1
Independent Claim 191 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, a first air outlet located at a first side of the cyclone, a second air outlet located at a second side of the cyclone, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows, the dust outlet being disposed between the first air inlet and the second air inlet; a first filter unit connected to the first side of the cyclone to filter air, the first filter unit being in communication with the first air outlet; a second filter unit connected to the second side of the cyclone to filter air, the second filter unit being in communication with the second air outlet; and a dust container to collect dust discharged from the dust outlet, wherein a length between the first filter unit and the second filter unit is shorter than a length between the first air inlet and the second air inlet.
Claim 2
Dependent Claim 191 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, a first air outlet located at a first side of the cyclone, a second air outlet located at a second side of the cyclone, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows, the dust outlet being disposed between the first air inlet and the second air inlet; a first filter unit connected to the first side of the cyclone to filter air, the first filter unit being in communication with the first air outlet; a second filter unit connected to the second side of the cyclone to filter air, the second filter unit being in communication with the second air outlet; and a dust container to collect dust discharged from the dust outlet, wherein a length between the first filter unit and the second filter unit is shorter than a length between the first air inlet and the second air inlet.
Claim 3
Dependent Claim 54 words
The dust separating apparatus of claim 1 , wherein at least a portion of the first filter unit is inserted through the first air outlet from an outside of the cyclone and at least a portion of the second filter unit is inserted through the second air outlet from the outside of the cyclone.
Claim 4
Dependent Claim 34 words
The dust separating apparatus of claim 1 , wherein the first and second air outlets are arranged on a longitudinal axis of the cyclone, and the longitudinal axis is oriented in a horizontal direction.
Claim 5
Dependent Claim 23 words
The dust separating apparatus of claim 1 , wherein the plurality of cyclone airflows is formed in a single space within the cyclone.
Claim 6
Dependent Claim 45 words
The dust separating apparatus of claim 1 , wherein the cyclone includes a third air inlet to receive the airflow containing dust, and a fourth air inlet to receive the airflow containing dust, the third and fourth air inlets being spaced apart from each other.
Claim 7
Dependent Claim 38 words
The dust separating apparatus of claim 1 , wherein the cyclone includes a guide member formed therein, the guide member being located adjacent to the dust outlet to prevent separated dust from moving to the first air outlet.
Claim 8
Dependent Claim 30 words
The dust separating apparatus of claim 1 , wherein a length between the first filter unit and the second filter unit is greater than a width of the dust outlet.
Claim 9
Dependent Claim 37 words
The dust separating apparatus of claim 1 , further comprising a distribution unit formed integrally with the cyclone, the distribution unit including a first inlet passage to direct the airflow containing dust toward the first air inlet.
Claim 10
Dependent Claim 24 words
The dust separating apparatus of claim 8 , further comprising a cover member configured to open and close the cyclone and the distribution unit.
Claim 11
Dependent Claim 58 words
The dust separating apparatus of claim 9 , wherein the cyclone includes a second air inlet to receive the airflow containing dust, and the dust separating apparatus further includes a distribution guide formed on the distribution unit and the cover member, the distribution guide configured to distribute the airflow containing dust to the first and second air inlets.
Claim 12
Dependent Claim 52 words
The dust separating apparatus of claim 1 , further comprising a distribution unit connected to the cyclone, the distribution unit including a first inlet passage to direct the airflow containing dust toward the first air inlet and a second inlet passage to direct the airflow containing dust toward the second air inlet.
Claim 13
Dependent Claim 37 words
The dust separating apparatus of claim 11 , wherein the distribution unit includes an inlet through which air and dust is suctioned, and the first and second inlet passages are formed at opposite sides of the inlet.
Claim 14
Dependent Claim 18 words
The dust separating apparatus of claim 11 , wherein the distribution unit is formed integral with the cyclone.
Claim 15
Dependent Claim 172 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet configured to receive an airflow containing dust, a first air outlet, a second air outlet, a dust outlet configured to discharge dust separated by the plurality of cyclone airflows, an opening, and a cover member for covering the opening; and a dust container to collect dust discharged from the dust outlet, wherein the cyclone includes a body configured to generate the cyclone airflows and a pair of sides, each side constituting opposite sides of the body, wherein the dust outlet and opening are formed at the body, wherein opening the cover member exposes an interior of the cyclone without exposing an interior of the dust container, and wherein the pair of sides includes a first side and a second side, the first air inlet being formed on the first side and the second air outlet being formed on the second side.
Claim 16
Dependent Claim 172 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet configured to receive an airflow containing dust, a first air outlet, a second air outlet, a dust outlet configured to discharge dust separated by the plurality of cyclone airflows, an opening, and a cover member for covering the opening; and a dust container to collect dust discharged from the dust outlet, wherein the cyclone includes a body configured to generate the cyclone airflows and a pair of sides, each side constituting opposite sides of the body, wherein the dust outlet and opening are formed at the body, wherein opening the cover member exposes an interior of the cyclone without exposing an interior of the dust container, and wherein the pair of sides includes a first side and a second side, the first air inlet being formed on the first side and the second air outlet being formed on the second side.
Claim 17
Dependent Claim 39 words
The dust separating apparatus of claim 14 , further comprising a first filter unit detachably connected to the cyclone to filter air, wherein at least a portion of the first filter unit is inserted through the first air outlet.
Claim 18
Dependent Claim 25 words
The dust separating apparatus of claim 14 , wherein the cover member includes an inner periphery formed to correspond to the shape of the body.
Claim 19
Dependent Claim 46 words
The dust separating apparatus of claim 16 , further comprising a distribution unit connected to the cyclone, the distribution unit including a first inlet passage to direct the airflow containing dust toward the first air inlet, wherein the cover member opens and closes the distribution unit.
Claim 20
Dependent Claim 43 words
The dust separating apparatus of claim 17 , wherein the cyclone includes a second air inlet to receive the airflow containing dust, and wherein the distribution unit includes a second inlet passage to direct the airflow containing dust toward the second air inlet.
Claim 21
Dependent Claim 138 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a body having a pair of sides, the body being configured to generate cyclone airflows, and the body having a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; and a dust container to collect dust discharged through the dust outlet, wherein the pair of sides includes a first side and a second side opposite the first side, a first air inlet and a first air outlet are formed on the first side, and a second air inlet and a second air outlet are formed on the second side, and wherein each of the cyclone airflows moves the dust in mutually convergent directions toward the dust outlet.
Claim 22
Dependent Claim 138 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a body having a pair of sides, the body being configured to generate cyclone airflows, and the body having a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; and a dust container to collect dust discharged through the dust outlet, wherein the pair of sides includes a first side and a second side opposite the first side, a first air inlet and a first air outlet are formed on the first side, and a second air inlet and a second air outlet are formed on the second side, and wherein each of the cyclone airflows moves the dust in mutually convergent directions toward the dust outlet.
Claim 23
Dependent Claim 28 words
The dust separating apparatus of claim 19 , wherein the cyclone is provided with a plurality of guide members therein, for guiding the movement of the cyclone airflows.
Claim 24
Dependent Claim 229 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, a first air outlet located at a first side of the cyclone, a second air outlet located at a second side of the cyclone opposite the first side, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; a first filter unit connected to the cyclone to filter air, at least a portion of the first filter unit being inserted into the cyclone through the first air outlet from an outside of the cyclone; a second filter unit connected to the cyclone to filter air, at least a portion of the second filter unit being inserted into the cyclone through the second air outlet from the outside of the cyclone; a suctioning guide that guides the flow of air including dust toward the dust separator; a distribution unit that distributes the air in the suctioning guide to the plurality of air inlets of the cyclone; and a dust container to collect dust discharged from the dust outlet, wherein the distribution unit includes a plurality of branch passages that guide air in the suctioning guide to the plurality of air inlets, respectively.
Claim 25
Dependent Claim 229 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, a first air outlet located at a first side of the cyclone, a second air outlet located at a second side of the cyclone opposite the first side, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; a first filter unit connected to the cyclone to filter air, at least a portion of the first filter unit being inserted into the cyclone through the first air outlet from an outside of the cyclone; a second filter unit connected to the cyclone to filter air, at least a portion of the second filter unit being inserted into the cyclone through the second air outlet from the outside of the cyclone; a suctioning guide that guides the flow of air including dust toward the dust separator; a distribution unit that distributes the air in the suctioning guide to the plurality of air inlets of the cyclone; and a dust container to collect dust discharged from the dust outlet, wherein the distribution unit includes a plurality of branch passages that guide air in the suctioning guide to the plurality of air inlets, respectively.
Claim 26
Dependent Claim 36 words
The dust separating apparatus of claim 21 , wherein the distribution unit includes an inlet through which air and dust is suctioned, and the plurality of branch passages are formed at opposite sides of the inlet.
Claim 27
Dependent Claim 192 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; a suctioning guide that guides the flow of air including dust toward the dust separator; a distribution unit that distributes the air in the suctioning guide to the plurality of air inlets of the cyclone, the distribution unit and the cyclone being formed as one body; a cover that opens and closes at least a portion of the cyclone and at least portion of the distribution unit simultaneously; and a dust container to collect dust discharged through the dust outlet, wherein each of the cyclone airflows moves the dust in mutually convergent directions toward the dust outlet, and wherein the distribution unit includes a first inlet passage to direct the airflow containing dust toward the first air inlet and a second inlet passage to direct the airflow containing dust toward the second air inlet.
Claim 28
Dependent Claim 192 words
A dust separating apparatus for a vacuum cleaner, the dust separating apparatus comprising: a cyclone configured to provide a plurality of cyclone airflows therein, the cyclone having a first air inlet and a second air inlet configured to receive an airflow containing dust, and a dust outlet configured to discharge dust separated by the plurality of cyclone airflows; a suctioning guide that guides the flow of air including dust toward the dust separator; a distribution unit that distributes the air in the suctioning guide to the plurality of air inlets of the cyclone, the distribution unit and the cyclone being formed as one body; a cover that opens and closes at least a portion of the cyclone and at least portion of the distribution unit simultaneously; and a dust container to collect dust discharged through the dust outlet, wherein each of the cyclone airflows moves the dust in mutually convergent directions toward the dust outlet, and wherein the distribution unit includes a first inlet passage to direct the airflow containing dust toward the first air inlet and a second inlet passage to direct the airflow containing dust toward the second air inlet.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2014-05-30 2014-11-29 2015-05-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2018-05-30 2018-11-29 2019-05-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2022-05-30 2022-11-29 2023-05-31 $7700.00 Window Closed / Lapsed

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