Clearing centrifuge

{
  "publication_number": "US3970244A",
  "country": "US",
  "kind": "A",
  "title": "Clearing centrifuge",
  "abstract": "Clearing centrifuge having an inlet tube for filling the centrifuge drum; said inlet tube extending into said drum and comprising at least two outlet apertures for the material to be centrifuged; the improvement that said inlet tube comprises two or more tube parts which are arranged at least partly in one another and are adapted to be adjusted relatively to one another, and that two of said tube parts each comprise, or jointly form, one of said outlet apertures.",
  "claims": [
    "1. In a clearing centrifuge comprising a housing having a cover at one end, a centrifuge drum mounted for rotation in the housing, and an inlet tube for filling said drum with a material to be centrifuged; and wherein the inlet tube is mounted in said cover, extends into the drum in a direction parallel with the axis of drum rotation, and includes at least two outlet apertures which are directed radially with respect to said axis and deliver said material into the drum; the improvement that said inlet tube comprises two tubular part means which are formed to provide said outlet apertures and one of which is mounted at least partly within the other, the two tubular part means including means which seals the joint between them and being adjustable in at least one direction relatively to each other to permit changes in the orientation of at least one outlet aperture with respect to the drum.",
    "2. A centrifuge as defined in claim 1 in which the tubular part means are mounted for rotational adjustment relatively to each other.",
    "3. A centrifuge as defined in claim 1 in which the tubular part means are mounted for longitudinal adjustment relatively to each other.",
    "4. A centrifuge as defined in claim 1 in which the tubular part means are mounted for both longitudinal and rotational adjustment relatively to each other.",
    "5. A centrifuge as defined in claim 4 in which the first tubular part means is mounted on the cover for both rotational and longitudinal adjustment; and the second tubular part means is mounted on the first such means for both rotational and longitudinal adjustment.",
    "6. A centrifuge as defined in claim 5 in which the first tubular part means is supported at one of its ends by the cover, and the second tubular part means is received in and projects from the free end of the first tubular part means; each tubular part means is formed with an outlet aperture adjacent its free end; and the two tubular part means define a space within the first tubular part means through which said material to be centrifuged can pass to said outlet aperture in the first tubular part means.",
    "7. A centrifuge as defined in claim 1 in which the second tubular part means is coaxial with and surrounds the first tubular part means; and the outlet apertures are defined by overlapping portions of cooperating openings in the first and second tubular part means.",
    "8. A centrifuge as defined in claim 7 in which the second tubular part means comprises separate, axially adjacent sleeves which surround the first tubular part means, and each sleeve has a cooperating opening which defines an outlet aperture.",
    "9. A centrifuge as defined in claim 7 in which the second tubular part means is a one-piece sleeve which surrounds the first tubular part means.",
    "10. A centrifuge as defined in claim 7 in which each outlet aperture is defined by overlapping portions of elongated openings in the two tubular part means which extend at an angle to each other and at least one of which extends at an angle to the common axis of the tubular part means.",
    "11. A centrifuge as defined in claim 10 in which at least one of said elongated openings which defines each outlet aperture is inclined with respect to said common axis; and both tubular part means are mounted for rotational adjustment about said common axis and are fixed against displacement in the direction of the common axis.",
    "12. A centrifuge as defined in claim 1 which includes means outside the cover for adjusting at least one of the tubular part means."
  ],
  "description_excerpt": "The invention concerns a clearing centrifuge with an inlet tube for filling the centrifuge drum with material to be centrifuged, the said inlet tube extending substantially parallel to the centrifuge axis, being mounted in the cover of the centrifuge housing, extending into the centrifuge drum, and comprising therein an outlet aperture for the said material, the said aperture being directed radially relatively to the centrifuge axis.\n\nIn known clearing centrifuges, that is in peeling or shelling centrifuges with vertical centrifuge axis, the inlet tube comprises a pivotable tube which is vertically adjustable, and whose outlet is directed radially with respect to the centrifuge axis and tangentially with respect to the centrifuge drum. Even though the inlet tube is adjustable, in the case of materials which have poor inflow properties it is not possible to achieve with such a tube a uniform distribution of the material in question, that is to say it is not possible to obtain a uniform bed height over the entire width of the centrifuge drum.\n\nIn another peeling centrifuge the inlet tube comprises for the material to be centrifuged an outlet aperture which is sub-divided by intermediate walls and extends substantially over the entire width of the drum. In this case, various constructions of inlet tube are required depending on the material being centrifuged, and these have to be interchanged with one another.",
  "cpc": [
    "B04B 11/06",
    "B04B 11/02"
  ],
  "ipc": [
    "B04B 11/00",
    "B04B 11/02",
    "B04B 11/06",
    "B04B 3/00"
  ],
  "assignees": [
    "Escher Wyss AG"
  ],
  "inventors": [
    "Albert Bucher"
  ],
  "filing_date": "1974-06-10",
  "publication_date": "1976-07-20",
  "grant_date": "1976-07-20",
  "priority_date": "1973-06-19",
  "application_number": "US-47797074-A",
  "family_id": "4345573",
  "cited_by_count": 3,
  "citations": [
    "US710843A",
    "US1926402A",
    "DE644555C",
    "CH421825A",
    "US3599877A",
    "US3837913A"
  ]
}