# US 8,782,850 B2 · Vacuum cleaner > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,782,850 B2 - Document ID: US8782850B2 - Status: Granted - Kind: B2 - Application number: 11/711,905 - Filed: 2007-02-28 - Published: 2008-07-24 - Granted: 2014-07-22 - Earliest claimed: 2006-02-28 - Assignees: LG Electronics Inc. - Applicants: Myung Sig Yoo; Man Tae Hwang; Hae Seock Yang; Moo Hyun Ko; Jong Su Choo - Inventors: Myung Sig Yoo; Man Tae Hwang; Hae Seock Yang; Moo Hyun Ko; Jong Su Choo - Web page: https://patentgrep.com/patent/US8782850B2 ## CPC - A47L 9/1683: {Dust collecting chambers; Dust collecting receptacles} - A47L 9/1625: {for series flow} - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) ## Abstract A vacuum cleaner includes a dust collector which includes a first dust separator and a dust container in which a first dust storage unit is formed. A cover is coupled to the dust separating unit and is used to selectively open or close the dust storage unit. The cover is detached from the dust container together with the dust separating unit when the dust container is emptied. The vacuum cleaner may further include a second dust separator on the main body of the vacuum cleaner. In this instance, a second dust storage unit may be formed in the dust collector, and dust separated in the second dust separator may be stored in the second dust storage unit. ## Claims ### Claim 1 An apparatus for a vacuum cleaner, comprising: a dust container; a first cyclone dust separator received within the dust container, the first cyclone dust separator having an opened top and a closed bottom, wherein dust separated from incoming air in the first dust separator is stored in the dust container, the closed bottom of the first cyclone dust separator including a dust outlet; a filter member disposed within the first cyclone dust separator and having one or more penetration holes; a second dust separator provided outside of the dust container, wherein dust separated in the second dust separator is stored in the dust container; and a cover that is removably mounted on the dust container to close the dust container and the opened top of the first cyclone dust separator, wherein the first cyclone dust separator and the filter member are attached to the cover such that the first cyclone dust separator is removed from the dust container along with the cover when the cover is removed, wherein the air is separated from the dust in the first cyclone dust separator and then passes through the one or more penetration holes of the filter member. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the dust container comprises: a first dust storage unit, wherein dust separated in the first cyclone dust separator is stored in the first dust storage unit; and a second dust storage unit, wherein dust separated in the second dust separator is stored in the second dust storage unit. ### Claim 3 (depends on 2) The apparatus of claim 2, wherein the first dust storage unit is separated from the second dust storage unit. ### Claim 4 (depends on 3) The apparatus of claim 3, wherein the second dust storage unit is located adjacent an exterior surface of a wall of the first dust storage unit. ### Claim 5 (depends on 2) The apparatus of claim 2, wherein the first cyclone dust separator partitions the first dust storage unit from the second dust storage unit. ### Claim 6 (depends on 5) The apparatus of claim 5, further comprising: a sealing member mounted on one of an inner wall of the dust container or an outer wall of the first cyclone dust separator, wherein the sealing member seals the first dust storage unit from the second dust storage unit. ### Claim 7 (depends on 5) The apparatus of claim 5, wherein a wall of the dust container has a first portion that forms the first dust storage unit and a second portion that forms the second dust storage unit, and wherein the second portion of the wall has a greater diameter than the first portion. ### Claim 8 (depends on 7) The apparatus of claim 7, wherein a joining portion of the wall joins the first portion and the second portion, and wherein a base portion of the first cyclone dust separator abuts the joining portion of the wall to separate the first dust storage unit from the second dust storage unit. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the joining portion of the wall curves outwardly from the first portion to the second portion. ### Claim 10 (depends on 7) The apparatus of claim 7, wherein the wall further comprises a joining portion that curves outwardly from the first portion to the second portion. wherein the joining portion supports a lower surface of the first cyclone dust separator. ### Claim 11 (depends on 2) The apparatus of claim 2, wherein a dust introduction hole is formed on an outer wall of the second dust storage unit such that dust from the second dust separator is introduced into the second dust storage unit via the dust introduction hole. ### Claim 12 (depends on 2) The apparatus of claim 2, wherein a dust introduction hole is formed in the cover at a location over the second dust storage unit such that dust from the second dust separator is introduced into the second dust storage unit via the dust introduction hole. ### Claim 13 (depends on 1) The apparatus of claim 1, wherein a cutaway portion is formed on an upper part of a wall of the dust container, wherein the first cyclone dust separator includes an inlet flange, and wherein the inlet flange of the first cyclone dust separator is received in the cutaway portion of the wall of the dust container when the first cyclone dust separator is received in the dust container. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the inlet flange of the first cyclone dust separator directs air entering the first cyclone dust separator in a tangential direction along an inner surface of the first cyclone dust separator. ### Claim 15 (depends on 1) The apparatus of claim 1, wherein the cover closes an upper surface of both the first dust storage unit and the second dust storage unit. ### Claim 16 (depends on 1) A vacuum cleaner comprising the apparatus of claim 1. ### Claim 17 (depends on 1) The apparatus of claim 1, wherein the dust container includes: a first storage area; and a second storage area, wherein: the first storage area receives dust separated by the first cyclone dust separator, the second storage area receives dust separated by the second dust separator, and a bottom surface of the first storage area and a bottom surface of the second storage area are on different planes. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the bottom surface of the second storage area is on a higher plane than the bottom surface of the first storage area. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the bottom surface of the first storage area is in contact with dust separated by the first cyclone dust separator and the bottom surface of the second storage area is in contact with dust separated by the second dust separator. ### Claim 20 (depends on 17) The apparatus of claim 17, wherein the bottom surface of the second storage area is substantially on a same plane as a bottom surface of the first cyclone dust separator. ### Claim 21 (depends on 20) The apparatus of claim 20, wherein dust in the second storage area falls into the first storage area when the first cyclone dust separator is removed from the dust container. ### Claim 22 (depends on 1) The apparatus of claim 1, wherein the second dust separator includes a plurality of cyclone units, and wherein an axis passing through each cyclone unit crosses an axis passing through the first cyclone dust separator. ### Claim 23 (depends on 1) The apparatus of claim 1, wherein: the dust container has a first dust storage unit, a second dust storage unit, and an air suction portion to receive an inflow of air containing dust; dust separated by the first cyclone dust separator is stored in the first dust storage unit, the first cyclone dust separator having a suction port to receive incoming air; and the air containing dust passes through the air suction port of the dust container and then passes through the suction port of the first cyclone dust separator. ### Claim 24 An apparatus for a vacuum cleaner, comprising: a dust container comprising a first portion having a first diameter, a second portion having a second larger diameter, the second diameter being greater than the first diameter, and a joining portion that joins the first portion to the second portion; a first cyclone dust separator received within the first portion of the dust container and having an opened top and a closed bottom, wherein the closed bottom contacts the joining portion; a filter member disposed within the first cyclone dust separator and having one or more penetration holes; a second dust separator provided outside of the dust container, wherein dust separated by the second dust separator is stored in the dust container; and a cover that is removably mounted on the dust container to close the dust container and the opened top of the first cyclone dust separator, wherein the first cyclone dust separator and the filter member are attached to the cover. ### Claim 25 (depends on 24) The apparatus of claim 24, further comprising a sealing member provided at a lower portion of the first cyclone dust separator, wherein the sealing member forms a seal with the joining portion. ### Claim 26 (depends on 24) The apparatus of claim 24, wherein the first portion of the dust container forms a first dust storage unit, and wherein dust separated in the first cyclone dust separator is stored in the first dust storage unit. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein a second dust storage unit is located adjacent an outside surface of the second portion of the dust container. ### Claim 28 (depends on 27) The apparatus of claim 27, wherein a dust introduction hole is formed on one of the cover or an exterior of the second dust storage unit such that dust separated in the second dust separator is introduced into the second dust storage unit via the dust introduction hole. ### Claim 29 (depends on 24) A vacuum cleaner comprising the apparatus of claim 24. ### Claim 30 (depends on 1) The apparatus of claim 1, wherein: a first central axis passes through the first cyclone dust separator, and a second central axis passes through the second dust separator, wherein the first central axis and the second central axis are not arranged parallel to each other. ### Claim 31 (depends on 30) The apparatus of claim 30, wherein the first central axis is substantially perpendicular to the second central axis.