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US3282498A - Construction for high gravity centrifuges and the like - Google Patents

Construction for high gravity centrifuges and the like Download PDF

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Publication number
US3282498A
US3282498A US286849A US28684963A US3282498A US 3282498 A US3282498 A US 3282498A US 286849 A US286849 A US 286849A US 28684963 A US28684963 A US 28684963A US 3282498 A US3282498 A US 3282498A
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United States
Prior art keywords
shell
centrifuge
head
pins
radial
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Expired - Lifetime
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US286849A
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English (en)
Inventor
Lloyd B Smith
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Individual
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Individual
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Filing date
Publication date
Priority to DEV22757A priority Critical patent/DE1215505B/de
Application filed by Individual filed Critical Individual
Priority to US286849A priority patent/US3282498A/en
Priority to GB33503/63A priority patent/GB1020157A/en
Priority to FR948759A priority patent/FR1370334A/fr
Priority to DES88203A priority patent/DE1215595B/de
Application granted granted Critical
Publication of US3282498A publication Critical patent/US3282498A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • B04B7/10—Bowls for shaping solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/40—Radially spaced members joined by independent coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7045—Interdigitated ends
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2109—Balancing for drum, e.g., washing machine or arm-type structure, etc., centrifuge, etc.

Definitions

  • This invention relates to an improved construction for high gravity centrifuges and the like and its principal object is -to provide a construction which shall permit the centrifuge to turn at higher speeds than heretofore obtainable without overstressing the shell thereof.
  • centrifuge is one in which the cylindrical portion or shell is free to act, when rotating, as does a free hoop. That is, the ideal stress-strain relationship on the shell occurs when the shell is permitted to enlarge, grow, or stretch precisely in the unrestricted or unconfined manner of a freely rotating hoop or cylinder.
  • the means connecting the shell to the driven radial part of the structure must be effective to hold the axes of the shell and radial part in alignment; otherwise the entire apparatus will become dynamically unbalanced.
  • the connecting means must be rugged enough to transmit the driving forces while permitting the shell to grow.
  • the prime object of my invention is to overcome the aforementioned diflioulties in prior centrifuge constructions.
  • My invention is characterized in one aspect by the provision of means to support the centrifuge shell in a manner fully adequate to transmit rotational iforces thereto, While at the same time permitting the shell to grow, or increase in diameter under the influence of centrifugal force without o-verstressiug the shell in any local areas over its surface.
  • My invention is characterized in another aspect by the provision of such growth permitting means which, either of itself or by the addition of other connecting means assures the maintenance of axial alignment of the shell and the associated driven axial part or head of the centrifuge.
  • this invention contemplates a centrifuge in which the radial shaft supported head or heads is or are, :as the case may be, separately formed from the shell.
  • the shell is supported from the periphery of the head or heads by means of a plurality of pins or equivalent members which may be carried by the head 3,282,498 Patented Nov. 1, 1966 or heads, and passing into or through the shell.
  • the pins or other projections employed extend along the natural paths of expansion or growth of the shell. Since the shell thus is free to slide along the pins, no restraint to radial growth or expansion is imposed on the shell. As a consequence of this construction the shell is equally stressed throughout its entire area when rotating, and the metal thereof is in true tension.
  • FIG. 1 is a side elevational view of a centrifuge embodying my improved construction
  • FIG. 2 is a side elevational view corresponding to FIG. 1 with parts of the apparatus broken away and in section;
  • FIG. 3 is a detail sectional view taken line 3-3 of FIG. 2;
  • FIG. 4 is a vertical sectional view of a modified form of my invention.
  • FIG. 5 is a diagrammatic illustration of the distortion of a prior art centrifuge under high speed conditions, the scale of the view being greatly magnified in the vertical direction;
  • FIG. 6 is a somewhat diagrammatic isometric view of a modified form of my invention.
  • FIG. 7 is a detail sectional view taken generally along the line 77 of FIG. 6;
  • FIG. 8 is a detail sectional line 88 of FIG. 6;
  • FIG. 9 is a somewhat diagrammatic cross sectional view showing -a further modified form of my invention.
  • FIG. 10 is a vertical sectional view showing still another form of my invention.
  • FIG. 11 is an isometric, fragmental view of the splined and flanged end of the shell of the centrifuge shown in FIG. 10;
  • FIG. 12 is an isometric view of the splined radial member of the centrifuge shown in FIG. 10;
  • FIG. 13 is a somewhat diagrammatic isometric view, partly in section, of yet another modification of my invention.
  • FIGS. 1 to 3 inclusive I illustrate my invention in association with a centrifuge embodying a shaft 10.
  • the shaft 10 may be supported for rotation in suitable bearings 11 and 12 and power for rotating the shaft may be supplied through a pulley 13.
  • the centrifuge proper comprises a radial part or head indicated generally at 14 and the shell or cylindrical portion indicated generally by the numeral 16.
  • the radial portion 14 is mounted non-rotatably on the shaft 10.
  • the periphery of the radial portion may be turned inwardly as indicated thus to provide a shoulder 17.
  • a plurality of openings 18 which are spaced equiangularly about the periphery of the head. Further, it will be noted that the openings extend radially from the central axis of the head.
  • the heads rest 'on' the shoulder 17.
  • the pins pass snugly but slidably through openings 21 provided about the periphery of the shell 16.
  • the shell 16 may be thickened at the point where the holes 21 are provided by an annular strengthening band 22.
  • the centrifuge may be provided with a removable closure member indicated generally by the nu meral 23.
  • This member may be held in place by means of a plurality of pins 24 which have reduced ends fitting in an annular groove 26 formed in the inner surface of the shell 16.
  • the pins may be biased inwardly by means of springs 27 which rest on plates 28.
  • Other headed pins 29 may be provided to fit also in the groove 26.
  • the pins 29 do not necessarily have to have the springs 27, inasmuch as when the centrifuge is started, centrifugal force will urge them outwardly.
  • the pins fit snugly in the openings 21, even when the shell increases in diameter the pins effectively hold the axes of the shell and radial head in alignment.
  • the pin construction thus serves the three essential functions of driving the shell, permitting it to expand, and holding it centered.
  • FIG. 5 represents a test on a centrifuge having a cylinder of 5.1 inches inside diameter and 2 inches long. The steel from which this shell was made was tested and yielded at 39,000 pounds per square inch in a tensile test machine.
  • FIG. 4 of the drawings I show my invention as applied to a centrifuge having two heads supporting the shell.
  • the heads 14 carry the pins 19 laid out around the periphery of the heads as already has been described. These pass through the aligned holes in the shell 16*.
  • material may be introduced into or removed from the chamber B of the centrifuge of FIG. 4 through openings 31 in the heads.
  • the bearings 11 and 12 are at either end of the centrifuge rather than having the same overhang the bearings 11 in a cantilever fashion as in FIGS. 1, 2 and 3.
  • FIGS. 6 to 13 I show additional and modified forms of my invention.
  • means is provided for permitting the shell to grow in unrestrained or unrestricted manner, while at the same time such connecting means transmits the rotational force of the driven head or radial part to the shell, and either this same means, or additional means, holds the rotational axis of the shell in alignment with the rotational axis of the head or radial part.
  • the head or radial part 14 carried by the shaft 10 may be provided with a series of elongated openings or slots 32 which are generally parallel to the longitudinal axis of the shell. In alignment with these slots 32 are similarly elongated slots 33 in the shell 16 (see FIG. 8). Between the slots 3243 are other slots in the flange of the head 14 indicated at 34, these slots extending normal to the longitudinal axis of the centrifuge shell. In similar manner, the shell is provided with cooperating slots 36. Passing through the slots are headed pins 37.
  • the pins 37 in the slots 32-33 serve the purpose of transmitting rotational force to the shell from the driven head and keep the axis of the shell coincident with the axis of the head.
  • the pins 37 in the slots 3436 serve the purpose of preventing the longitudinal or rotational axis of the shell from getting out of parallel alignment with the rotational axis of the head. All of the pins 37 simply project through the respective slots in the shell, fitting snugly therein so that as the shell grows or expands the pins provide surfaces on which the shell may slide, thereby to permit such growth. It will be understood, of course, that the pins 37 all are laid out radially, thus to lie along the natural paths of diametric expansion or growth of the shell.
  • FIG. 9 I show a modification in which the head 14, provided wit-h the shoulder 17, surrounds the shell 16 rather than having the shell 16 surround the shoulder or flange 17.
  • the shell 16 is made slightly smaller in diameter, this difference being exaggerated in the drawings for the sake of clarity.
  • the shell is sized so that the outer circumference thereof never touches the inner circumference of the shoulder 17, when the centrifuge is operated at its maximum speed.
  • the pins 38 have their heads resting against the inner surface of the shell and are laid out radially as stated.
  • FIGS. to 12 I show still another form of my invention.
  • the head 14 is provided with a plurality of splines 39, the opposite sides 39 and 39 of which are radially disposed. Disposed to fit in these splines are cooperating splines 41 on the end of the shell, the surfaces 41 and 41 of which are similarly radially disposed.
  • the function of the splines is to transmit the rotational force of the head to the shell 16 and to hold the rotational axes of the shell and head coincident.
  • the shell is provided with an inturned circurnmferential flange 42.
  • This flange is engaged by means of a plate 43'secured to the head 16 by a number of nuts and bolts 44 as shown.
  • FIG. 13 I show the shell 16 as provided with a plurality of slots 46 which are elongated axially.
  • the inturned flange 17 of the head 14 is provided with openings to receive a plurality of pins 47 which project into the slots 46.
  • the shell is provided with an inturned circumferential flange 48 which fits on the outside of the head 14.
  • a plate 49 engages the outer side of the flange 48 and holds it slidably in contact with the head 14, a plurality of studs or the like 51 being used to secure the plate 49 in place.
  • the ins 47 transmit the driv ing force and hold the axes coincident, while the flange 48 and plate 49 hold the axes parallel.
  • My improved construction is particularly adaptable for use in large diameter centrifuges for such processes as the baling of fibers and the separation of other materials which lend themselves to centrifugation. It will be understood that even in a large centrifuge of say 52 inches internal diameter, the growth spoken of herein, at speeds of say 2400 rpm. may not exceed .025 thousandth inch. However, by eliminating the bending at the point of connection of the shell with the head, I completely relieve the fatiguing and overstressing of the metal at such point or points.
  • a high gravity centrifuge having a cylindrical shell-like par-t open at both ends and subject to increase in diameter in response to centrifugal force and a radial driven part concentric with the shell-like part
  • the improvement comprising a plurality of elongated members radially disposed relative to the periphery of the radial part, and means fixedly securing said members to one of said parts for sliding movement relative to the other thereof, whereby rotational force is transmitted between the inner part and the outer part through said members while permitting unrestrained increase in diameter of the shell-like part when subjected to centrifugal force, and means to hold the rotational axes of the shell-like and radical parts in alignment while the shell-like part increases in diameter.
  • an outer cylinder-like shell having its rotational axis aligned with the rotational axis of the shell, a plurality of members connecting the shell adjacent one end to the driven part and having sliding surfaces lying along paths of natural expansion of the shell when the shell is under centrifugal force, and means mounting said plurality of members for transmission of said rotational force while offering substantially no resistance to said expansion of the shell.
  • an outer cylindrical shell open at both ends, a radial driven part having its rotational axis aligned with the longitudinal axis of the shell, a plurality of pins fixedly mounted on the periphery of the radial part and projecting outwardly therefrom through the shell and into axial sliding engagement with the shell, the longitudinal axes of said pins lying along lines of natural diametric expansion of the shell when the shell is under centrifugal force, and means to hold said axis aligned as the shell expands under the influence of centrifugal force.
  • a radially disposed part driven from its center, a cylindrical shell open at both ends and having one end fitting over the periphery of the radial part and having its longitudinal axis aligned with the rotational axis of the radial part, and a plurality of pins passing snugly but slidably through the shell and secured against outward axial movement relative to the radially disposed part, said pins having their longitudinal axes disposed radially of the centrifuge, whereby the shell may expand or grow in diameter in response to centrifugal force thereon, and said pins being constructed and arranged to hold the axes of the shell and radial part in alignment as the shell expands when subjected to centrifugal force.
  • a driven shaft In a high gravity centrifuge, a driven shaft, a radial 'head portion carried by the shaft, a cylindrical shell open at both ends and disposed for connection adjacent one end with the periphery of the radial part, a plurality of members having radially disposed surfaces connecting the head to the shell and affording a plurality of non-rigidly connected driving means between the head and shell whereby the shell may freely expand away from the head in response to the diameter increasing effect on the shell of centrifugal force, and other radially disposed surfaces interconnecting the shell and head and effective to maintain t-he notational axes of the shell and head in alignment While the said shell expands.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Centrifugal Separators (AREA)
US286849A 1962-07-07 1963-06-10 Construction for high gravity centrifuges and the like Expired - Lifetime US3282498A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEV22757A DE1215505B (de) 1962-07-07 1962-07-07 Photographischer Sucher nach dem Albada-prinzip
US286849A US3282498A (en) 1963-06-10 1963-06-10 Construction for high gravity centrifuges and the like
GB33503/63A GB1020157A (en) 1963-06-10 1963-08-23 Centrifuges
FR948759A FR1370334A (fr) 1963-06-10 1963-09-26 Dispositif de montage de la jante d'un organe mécanique tournant à grande vitesse, et machines tournantes, notamment centrifugeuses comportant application de ce dispositif
DES88203A DE1215595B (de) 1963-06-10 1963-11-07 Mit grossen Massenkraeften arbeitende Vorrichtung, insbesondere eine Schleudertrommel einer Zentrifuge

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US286849A US3282498A (en) 1963-06-10 1963-06-10 Construction for high gravity centrifuges and the like

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DE (1) DE1215595B (de)
GB (1) GB1020157A (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319880A (en) * 1964-05-02 1967-05-16 Pause Kurt Centrifugal drum
US3366245A (en) * 1966-03-11 1968-01-30 Fives Lille Cail Centrifugal separator
US4097194A (en) * 1976-03-22 1978-06-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Redundant disc
US4150582A (en) * 1976-08-02 1979-04-24 Electric Power Research Institute, Inc. Rotor ring for inertial energy storage rotor
FR2514650A1 (fr) * 1981-10-15 1983-04-22 Ollivier Marcel Appareil de sport, notamment pour la pratique du ski sur herbe
US4639320A (en) * 1985-04-05 1987-01-27 United Coal Company Method for extracting water from solid fines or the like
US4640770A (en) * 1985-04-03 1987-02-03 United Coal Company Apparatus for extracting water from solid fines or the like
EP0242458A3 (de) * 1986-04-18 1988-06-15 United Coal Company Verfahren und Apparat zum Extrahieren von Flüssigkeit aus nassem körnigem Gut
US20050133466A1 (en) * 2003-12-19 2005-06-23 Honeywell International Inc. Multi-stage centrifugal debris trap

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US575015A (en) * 1897-01-12 Sylvania
US1322745A (en) * 1919-11-25 anderson
US1385306A (en) * 1918-04-08 1921-07-19 Courtaulds Ltd Spinning-box for artificial silk
US1417456A (en) * 1920-11-11 1922-05-23 Viscose Co Spinning box for artificial silk
GB221814A (en) * 1923-09-11 1924-12-18 Otto Sindl An improved drum for centrifuging apparatus
US1546133A (en) * 1920-09-11 1925-07-14 James P Hooper Mfg Company Apparatus for forming threads of viscous material
FR610146A (fr) * 1925-11-11 1926-08-30 Pots de filature pour machines à filer la soie artificielle
GB262874A (en) * 1925-09-21 1926-12-21 Soieries De Strasbourg Sa An improved spinning box for use in the artificial silk industry
DE484136C (de) * 1927-07-15 1929-10-12 Ver Ijzerfabrieken De Vijf Nv Kunstseidenspinntopf
US1822194A (en) * 1927-12-19 1931-09-08 Firm American Bemberg Corp Fastening device for spinning centrifuges used in the production of artificial silk
US2101679A (en) * 1936-03-12 1937-12-07 Gen Electric Spinning bucket drive
US2249653A (en) * 1937-08-13 1941-07-15 Int Harvester Co Cream separator bowl
US2357422A (en) * 1942-09-29 1944-09-05 American Viscose Corp Spinning bucket
US2383119A (en) * 1944-04-04 1945-08-21 Roy W Ferris Demountable rotor
US2536423A (en) * 1945-01-31 1951-01-02 University Patents Inc Centrifuge for separating gas mixtures
US2554311A (en) * 1948-11-20 1951-05-22 Charles I Place Flexible coupling assembly
US2682992A (en) * 1951-11-02 1954-07-06 Int Harvester Co Power washing cream separator and threaded drive member therefor
US2816704A (en) * 1942-08-29 1957-12-17 Charles W Skarstrom Seal for high speed centrifuge
US2872105A (en) * 1946-09-16 1959-02-03 Frank C Rushing Rotor end cap
GB836268A (en) * 1956-12-28 1960-06-01 Hollandsche Kunstzijde Ind Nv Improvements in spinning pots
US3133563A (en) * 1960-06-01 1964-05-19 Lloyd B Smith Process of baling fibers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1482418A (en) * 1923-07-05 1924-02-05 Ind Products Company Centrifugal machine

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US575015A (en) * 1897-01-12 Sylvania
US1322745A (en) * 1919-11-25 anderson
US1385306A (en) * 1918-04-08 1921-07-19 Courtaulds Ltd Spinning-box for artificial silk
US1546133A (en) * 1920-09-11 1925-07-14 James P Hooper Mfg Company Apparatus for forming threads of viscous material
US1417456A (en) * 1920-11-11 1922-05-23 Viscose Co Spinning box for artificial silk
GB221814A (en) * 1923-09-11 1924-12-18 Otto Sindl An improved drum for centrifuging apparatus
GB262874A (en) * 1925-09-21 1926-12-21 Soieries De Strasbourg Sa An improved spinning box for use in the artificial silk industry
FR610146A (fr) * 1925-11-11 1926-08-30 Pots de filature pour machines à filer la soie artificielle
DE484136C (de) * 1927-07-15 1929-10-12 Ver Ijzerfabrieken De Vijf Nv Kunstseidenspinntopf
US1822194A (en) * 1927-12-19 1931-09-08 Firm American Bemberg Corp Fastening device for spinning centrifuges used in the production of artificial silk
US2101679A (en) * 1936-03-12 1937-12-07 Gen Electric Spinning bucket drive
US2249653A (en) * 1937-08-13 1941-07-15 Int Harvester Co Cream separator bowl
US2816704A (en) * 1942-08-29 1957-12-17 Charles W Skarstrom Seal for high speed centrifuge
US2357422A (en) * 1942-09-29 1944-09-05 American Viscose Corp Spinning bucket
US2383119A (en) * 1944-04-04 1945-08-21 Roy W Ferris Demountable rotor
US2536423A (en) * 1945-01-31 1951-01-02 University Patents Inc Centrifuge for separating gas mixtures
US2872105A (en) * 1946-09-16 1959-02-03 Frank C Rushing Rotor end cap
US2554311A (en) * 1948-11-20 1951-05-22 Charles I Place Flexible coupling assembly
US2682992A (en) * 1951-11-02 1954-07-06 Int Harvester Co Power washing cream separator and threaded drive member therefor
GB836268A (en) * 1956-12-28 1960-06-01 Hollandsche Kunstzijde Ind Nv Improvements in spinning pots
US3133563A (en) * 1960-06-01 1964-05-19 Lloyd B Smith Process of baling fibers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319880A (en) * 1964-05-02 1967-05-16 Pause Kurt Centrifugal drum
US3366245A (en) * 1966-03-11 1968-01-30 Fives Lille Cail Centrifugal separator
US4097194A (en) * 1976-03-22 1978-06-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Redundant disc
US4150582A (en) * 1976-08-02 1979-04-24 Electric Power Research Institute, Inc. Rotor ring for inertial energy storage rotor
FR2514650A1 (fr) * 1981-10-15 1983-04-22 Ollivier Marcel Appareil de sport, notamment pour la pratique du ski sur herbe
US4640770A (en) * 1985-04-03 1987-02-03 United Coal Company Apparatus for extracting water from solid fines or the like
US4639320A (en) * 1985-04-05 1987-01-27 United Coal Company Method for extracting water from solid fines or the like
EP0242458A3 (de) * 1986-04-18 1988-06-15 United Coal Company Verfahren und Apparat zum Extrahieren von Flüssigkeit aus nassem körnigem Gut
US20050133466A1 (en) * 2003-12-19 2005-06-23 Honeywell International Inc. Multi-stage centrifugal debris trap
WO2005065833A1 (en) * 2003-12-19 2005-07-21 Honeywell International Inc. Multi-stage centrifugal debris trap
US7175771B2 (en) 2003-12-19 2007-02-13 Honeywell International, Inc. Multi-stage centrifugal debris trap

Also Published As

Publication number Publication date
DE1215595B (de) 1966-04-28
GB1020157A (en) 1966-02-16

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