EP0044337A4 - Improved continuous centrifugal machine. - Google Patents
Improved continuous centrifugal machine.Info
- Publication number
- EP0044337A4 EP0044337A4 EP19810900473 EP81900473A EP0044337A4 EP 0044337 A4 EP0044337 A4 EP 0044337A4 EP 19810900473 EP19810900473 EP 19810900473 EP 81900473 A EP81900473 A EP 81900473A EP 0044337 A4 EP0044337 A4 EP 0044337A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- basket
- shaft
- wall
- liquid
- support ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 48
- 238000005192 partition Methods 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000009975 flexible effect Effects 0.000 claims abstract description 10
- 102000004405 Collectins Human genes 0.000 claims 1
- 108090000909 Collectins Proteins 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 13
- 238000000429 assembly Methods 0.000 abstract description 13
- 239000007787 solid Substances 0.000 abstract description 13
- 230000003139 buffering effect Effects 0.000 abstract description 12
- 239000013078 crystal Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000006188 syrup Substances 0.000 abstract description 2
- 235000020357 syrup Nutrition 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- KKEBXNMGHUCPEZ-UHFFFAOYSA-N 4-phenyl-1-(2-sulfanylethyl)imidazolidin-2-one Chemical compound N1C(=O)N(CCS)CC1C1=CC=CC=C1 KKEBXNMGHUCPEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- TZFWDZFKRBELIQ-UHFFFAOYSA-N chlorzoxazone Chemical compound ClC1=CC=C2OC(O)=NC2=C1 TZFWDZFKRBELIQ-UHFFFAOYSA-N 0.000 description 1
- 244000221110 common millet Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/02—Casings; Lids
- B04B7/04—Casings facilitating discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
Definitions
- the present invention relates to an improved continu ⁇ ous centrifugal machine of the conical basket type and is more particularly directed to an improved drive arrangement and improved arrangements of the functional components of such a machine.
- Continuous centrifugal machines of the conical bas ⁇ ket type are particularly useful for separating sugar crys ⁇ tals from syrup in the manufacture of sugar.
- Such machines typically include an upwardly open frusto-conical basket hav- ing a perforate circumferential side wall onto which a mixture of liquid and solids, for example, massecuite, is fed adjacent the small diameter end of the basket.
- a cylindrical partition concentrically surrounds the basket and has one end proximate to the large diameter end of the basket to form a liquid collecting chamber around the basket.
- the partition is spaced radially inward from an outer curb wall which borders an annular space for receiving and delivering downward solids that are discharged over a lip at the top of the basket.
- the bas ⁇ ket is secured to a shaft that is rotated by a drive belt which runs under the basket to and around a driven pulley fixed to the basket shaft.
- the drive belt is connected with a driving pulleydriven by a rotary prime mover such as a motor.
- the basket assembly is mounted for gyratory movement under the influence of imbalanced loads through resilient buffering assemblies which are lo ⁇ cated at the level of the driven pulley so that gyrations will take place about a point on the rotational axis at the center of the driven pulley, thus limiting overstressing of the drive belt.
- the partition forming the liquid collecting chamber is connected through a vertically telescoping slip joint a rigidly fixed base structure of the machine.
- a liquid delivery outlet leads from this floor structure into an outlet conduit or tunnel extending radially across the solids delivery space.
- the arrangements of the machine struc tures are such that difficulties exist in assembling the com ponents, including inter alia difficulty in sealing the liqu collecting chamber and difficulty in assembling the rotary basket and bearing housing with the base structure of the ma chine.
- the principal object of the present invention is to provide an improved continuous centrifugal machine of the ty mentioned by which difficulties or shortcomings such as thos noted above can be overcome.
- the drive pulley of the machine is mounted in a fixed position below t basket shaft and is connected with that shaft through a flex ible coupling that permits angular and parallel misalignment of the axes of the basket shaft and the driven pulley.
- the basket shaft is unrestrained by and does not var the moment. loads of the driving belt, and the resilient buff ing assemblies are isolated from the influence of belt loads on the driven pulley.
- An adjustable mounting arrangement fo the driven pulley in this drive system enables the position a coupling stub shaft fixed to the driven pulley to be adapt readily to variations of the basket shaft position set by th basket mounting and buffering structures.
- the ri base structure of the machine is provided with a support rin distinct from the structures that form the liquid collecting
- C ?I . char ⁇ ber which structures are mounted on a radial annular base wall as parts of a unitary chambering assembly that can be installed as a unit in the machine simply by seating the base wall onto and fastening it to the support ring, thus forming a liquid collecting chamber outside and beneath the basket side wall.
- the same base wall moreover, has the re ⁇ silient buffering assemblies of the bearing housing and bas ⁇ ket fixed to it so that a unified assembly of the chambering unit with the basket and its shaft, bearing housing and mounting structures may be prepared and easily installed as a unit on the support ring, as well as easily removed from it and the curb of the machine for repair or maintenance.
- Still another feature and advantage of the invention is provided with the arrangements noted above in that a de- livery conduit or tunnel for the liquid collected in the liq ⁇ uid collecting chamber is provided as a stationary part of the base structure of the machine at a location overlying the belt tunnel of the drive system, with communication to this delivery tunnel through an outlet opening formed in the base wall and the support ring.
- FIG. 1 is a vertical cross-sectional view of a co tinu ous centrifugal machine in accordance with the present inventio
- FIG. 2 is a horizontal cross-sectional view taken alon plane 2-2 in FIG. 1 but partly broken away below this plane to reveal parts in the base space of the machine;
- FIG. 3 is an enlarged side elevational view, partly in cross-section, of a pulley mounting assembly for adjustin the alignment of the shafts connected through the flexible coupling;
- FIG. 4 is a rear elevational view of parts of the adju able pulley mounting assembly.
- FIG. 5 is a vertical cross-sectional view of the unita chambering structure of the machine.
- the illustrative embodiment of the improved continuous centrifugal machine of the present inven tion is generally indicated at 10, and includes a frusto-con cal basket 12 mounted for rotation on a normally vertical ba ket shaft 14 that is supported for rotation in a bearing hou ing 16 on upper and lower bearing 18 and 20 respectively.
- T basket may be driven at high speed by a rotary prime mover such as a motor through an improved system for connecting th motor to the basket shaft as described below.
- a s ply pipe (not shown) that extends from above the basket and charges at a location adjacent the bottom 22 of the basket.
- the mixture travels upwardly and outwardly along the inner s face of the frusto-conical side wall 23 of the basket under influence of centrifugal force.
- a perforated screen 24 is mounted adjacent the side wall of the basket, which itself i provided with suitable drain openings 25 extending therethro
- c trifugal force also causes liquid constituents to travel out wardly through the screen and the side wall openings 25 for lection in a liquid collecting chamber 26 to be further descr below.
- Solid constituents of the mixture are discharged radi outwardly over the top edge of the basket and fall for collec through an outer solids delivering space 28 provided between outer wall of chamber 26 and a surrounding curb wall 38.
- a rigidly fixed supporting base structure of the centrifugal machine comprises a base ring 32, a cylindrical column 34 secured to and projecting upwardly from the base ring, and a curb support ring 100.
- a strong radially extend- ing support ring 36 is mounted on the upper end of the column
- FIGS. 1 and 2 for increased rigidity, several verti ⁇ cal stiffening ribs 39 extend radially between the column 34 and the curb wall. Also extending between them is a radial arrangement of a belt tunnel 41 superposed by a liquid out ⁇ let tunnel 43.
- At least three resilient mounting or buffering assem ⁇ blies which are generally indicated at 40 and may be of the typ described in U.S. Patent No. 3,333,707, are equally spaced apart inside the support ring 36 and a base wall 62 that forms part of a chambering unit described further below.
- Hangers 63 for the buffering assemblies 40 are secured by bolts 102 to an inner portion of the base wall 62.
- the bearing housing 16 is formed at its lower end with a surrounding support flange 42 that extends radially outward to hub formations which are parts of the buffering assemblies 40.
- the resilient buffering assemblies 40 interconnect the base wall 62 and the* bearing housing so that the gyratory assembly of the bearing housing, the basket shaft and the basket can gyrate to a limited extent, against resistance imposed by the elastic elements of the buf ⁇ fering assemblies, about a point on the axis of shaft 14 when the rotary mass of the basket with material in it is ir ⁇ balanced
- a large electric motor 44, the prime mover is mounted by a suitable mounting bracket 46 to the outer side of the curb wall 38 and has a vertically arranged drive shaft 48 that car ⁇ ries a drive pulley 50.
- the drive pulley 50 drives a wide mul ⁇ tiple-unit V-belt 88 which extends through the belt tunnel 41 t and about a driven pulley 82 coupled wirh the basket shaft 14.
- the driven pulley drives a wide mul ⁇ tiple-unit V-belt 88 which extends through the belt tunnel 41 t and about a driven pulley 82 coupled wirh the basket
- OMPI ⁇ ° 80 is flexibly coupled with the lower end of the bas ⁇ ket shaft 14 through a flexible coupling 86 which joins the shaft end with an upwardly protruding stub shaft 84 mounted on and for rotation with the pulley 82.
- the flexible coupling 86 directly transmits torque between the pulley 82 and the basket shaft 14 while permittin angular and parallel misalignments between the axes of the basket shaft and the stub shaft under the working conditions of the machine.
- a flexible coupling suitable for this purpos is available commercially, for instance as a "Dodge Paraflex" coupling.
- a adjustable mounting and positioning arrangement is provided f effecting fine adjustments of the position of the support sha 78 of the driven pulley 82 relative to the axis of rotation o the basket shaft.
- This arrangement is supported by a mounting bracket 52 which is rigidly fixed to part of the base structureof the ⁇ vachine and has an inverted T shape formed by a vertical web portion 54 and a horizontally arranged butt plate 56.
- the bracket 52 holds in cantilevered relation an adjustably positioned arm 58 in which the support shaft 78 is fixed, and which holds this shaft and the pulley 8 securely in a desired set position.
- the arm 58 is adjustable in position relative to the butt plate 56 both radially in di rections toward and away from the driving pulley 50 and in ei direction transverse to the radial directions.
- the arm is provided with radially and laterally enlarged open ings 60 and is secured to the butt plate 56 by lock bolts 62 th pass through these openings and are threaded in bores tapped into the butt plate.
- a lug 53 depending from the mounting br ket has a set screw 64 threaded in a bore 66 of the lug, wit an end of this screw bearing radially against the outer end o the adjustment arm.
- the set screw 64 is held in any set posi tion by a locknut 67 which,when loosened, lets this set screw be turned to adjust the position of the adjustment arm 58 in radial direction.
- an upstanding plate 70 is secured by bolts 72 to one side of t.e adjustment arm 58 and two set screws 74 passed through it are engaged with a side edge portion of the butt plate 56.
- One of the screws 74 is threaded through a tapped bore 76 in the plate 70 and bears at its end against the adjacent side edge of the butt plate 56.
- the other set screw 74 passes freely through a bore in the plate 70 and is threaded in a bore tapped into the adjacent side of the butt plate.
- the arm may be adjusted in either direction of their motion to set the adjustment arm in a desired position within the range of adjustment provided by the enlarged openings 60.
- the lock bolts 62 and the locknut 67 are first loosened and the set screws 74 are disengaged from the butt plate 56.
- the arm 58 can be pushed radially in the direction away from pulley 50, or can be brought to a position radially nearer to it by the tension of the drive belt 88.
- the .range of radial adjustment is determined by the radial length of the openings 60 less' the diameter of the lock bolts 62.
- the set screws 74 can be turned to set the adjustment arm trans ⁇ versely to any desired position within the range of adjustment provided by the width of the openings 60 less the diameter of the bolts 62.
- the drive system provided for the machine enables a substantially uniform smooth driving action of the belt 88 to b maintained through the flexible coupling 86 and avoids the vari tions of moment loads on the belt which exist when the driven pulley is fixed to the gyratory basket shaft.
- the resilient buffering assemblies function witho being affected by moment loads of the belt on the driven pulley - 3-
- a unitary chambering struc ⁇ ture 160 is supported on the support ring 36 , occupying the space betwe ring and the side wall of the basket.
- the chambering unit is an annular assembly that comprises a radial annular base wall 62 having a downwardly facing surface 164 which is seated on the support ring 36 and can be easily fastened to it, as by bolts 184 accessible from below the support ring.
- the chambe ing unit also comprises outer and inner cylindrical partition 166 and 172 which are mounted on and project upward from the base wall in concentric relation about the basket 12.
- the outer partition has an upper end 163 disposed adjacent the up end 170 of the side wall of the basket.
- the inner partition is spaced horizontally from the outer partition and has an upper end 174 disposed adjacent the lower end 176 of the bask side wall.
- An annular floor partition 178 located above the base wall 62 spans the space between the inner and outer partition and, with them, forms the liquid collecting chamber 26 outsid and beneath the side wall of the basket.
- the floor partition desirably extends spirally about the space between the vertic partitions 166 and 172 so as to lead liquid efficiently by gravity from the collecting chamber into a liquid outlet open ing (FIG. 1) formed by aligned openings 190 and -192 throu the base wall 62 and the support ring 36.
- the confronting su faces of wall 62 and ring 36 may be easily sealed about the o ingl90, as by a sealing cement or a gasket 182 placed between them.
- the upper portion of the outer partition 166 comprise a plurality of concentric rings which at their top edges are located near to a lip structure 188 at the top of the basket, thus providing a labyrinth-type seal for directing int
- the lower, smaller end 176 of the basket 12 has a skirt 189 extending outward and then downward therefrom in concentric overlapping relation to the upper end of the in ⁇ ner partition 172, so that liquid thrown from the lower region of the basket side wall will pass over the skirt 189 into the liquid collecting chamber.
- the liquid outlet opening (190, ' 192).thorough the base wall 62 and the support ring 36 delivers liquid from the collecting chamber 26 into a liquid discharge tunnel 43 extending radi ⁇ ally outward and downward to a liquid delivery port 194 formed in the curb wall 33.
- the liquid outlet tunnel 43 can be formed as a * stationary part of the base structure that overlies and is substantially coincident with the belt tunnel 41. Consequent ⁇ ly a considerable reduction is achieved of the area of struc ⁇ tures extending across the path of fall of solids from the machine through the solids delivery space 28. This in turn reduces troubles from the accumulation of solids,- such as cen- trifuged sugar crystals, on such obstructing structures.
- the cham ⁇ bering unit 160 is a unitary assembly of the base wall 62, the inner and the outer partitions 172 and 166 and the spirally sloped floor partition 178 and that this assembly may be easily installed by being seated in place on and fastened to the .sup ⁇ port ring 36.
- the bas ⁇ ket with its shaft, bearing housing and buffering assemblies can be pre-assembled with the chambering unit so that a uni ⁇ tary assembly of all these components can be hoisted into the curb wall and set and fastened in operating position on the support ring 36 with the liquid outlet openings 190 and 192 aligned. Any resultant imprecision of alignment of the basket shaft with the stub shaft 84 can be overcome by adjustment of the set position of the driven pulley carrying the stub shaft.
- the unitary assembly of course is also removable as a unit from the base structure and the curb of the ma ⁇ chine in' the event of occasion to remove it for repair or maintenance.
Landscapes
- Centrifugal Separators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US113980 | 1980-01-21 | ||
US113745 | 1980-01-21 | ||
US06/113,980 US4362619A (en) | 1980-01-21 | 1980-01-21 | Continuous centrifugal machine |
US06/113,745 US4318814A (en) | 1980-01-21 | 1980-01-21 | Continuous centrifugal machine |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85109943.2 Division-Into | 1985-08-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0044337A1 EP0044337A1 (en) | 1982-01-27 |
EP0044337A4 true EP0044337A4 (en) | 1984-03-16 |
EP0044337B1 EP0044337B1 (en) | 1986-09-03 |
Family
ID=26811416
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81900473A Expired EP0044337B1 (en) | 1980-01-21 | 1981-01-21 | Improved continuous centrifugal machine |
EP85109943A Expired - Lifetime EP0167180B1 (en) | 1980-01-21 | 1981-01-21 | Improved continuous centrifugal machine |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85109943A Expired - Lifetime EP0167180B1 (en) | 1980-01-21 | 1981-01-21 | Improved continuous centrifugal machine |
Country Status (9)
Country | Link |
---|---|
EP (2) | EP0044337B1 (en) |
JP (1) | JPS5844420B2 (en) |
AR (1) | AR223754A1 (en) |
AU (1) | AU536010B2 (en) |
BR (1) | BR8106034A (en) |
DE (1) | DE3177201D1 (en) |
IT (1) | IT1135078B (en) |
MX (1) | MX151921A (en) |
WO (1) | WO1981002114A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4202001A1 (en) * | 1992-01-25 | 1993-07-29 | Bosch Gmbh Robert | BELT DRIVE OF ELECTRICAL MACHINES |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB251593A (en) * | 1925-04-29 | 1926-08-26 | Anonima Ing Moncalvi & C Soc | Improved means for diminishing vibrations in high-speed vertical shafts applicable to centrifugal machines |
US1837838A (en) * | 1929-09-17 | 1931-12-22 | Troy Laundry Machinery Co | Antifriction spline |
DE969530C (en) * | 1953-12-01 | 1958-06-12 | Buckau Wolf Maschf R | Coupling between the pendulum-mounted spindle of a hanging centrifuge and the shaft of its drive motor |
DE1216202B (en) * | 1961-05-13 | 1966-05-05 | Machf Reineveld N V | Vibrating centrifuge with a rigid connection between centrifugal drum and drum shaft |
US3709368A (en) * | 1971-02-25 | 1973-01-09 | Maytag Co | Centrifugal extractor mounting |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2519813A (en) * | 1946-07-09 | 1950-08-22 | Bayless Patrick Albert | Extractor basket drive |
US3129174A (en) * | 1959-11-13 | 1964-04-14 | Beckman Instruments Inc | Continuous flow type centrifuge and fluid temperature control therefor |
US3283910A (en) * | 1964-04-02 | 1966-11-08 | Western States Machine Co | Centrifugal basket |
US3333707A (en) * | 1964-05-19 | 1967-08-01 | Western States Machine Co | Mounting arrangement for basket of centrifugal |
US3362243A (en) * | 1967-02-14 | 1968-01-09 | Hunt Foods And Ind Inc | Engine cooling fan assembly |
DE1961505C2 (en) * | 1969-12-08 | 1982-11-04 | The Western States Machine Co., Hamilton, Ohio | Device to avoid incrustations of thrown-off sugar in the sugar collecting chamber of a continuously operating sugar centrifuge |
US3727429A (en) * | 1971-06-10 | 1973-04-17 | Reliance Electric Co | Shaft coupling |
DE2436044C3 (en) * | 1974-07-26 | 1986-07-31 | Braunschweigische Maschinenbauanstalt AG, 3300 Braunschweig | Continuously working sieve centrifuge, especially sugar centrifuge |
DE2651099C2 (en) * | 1976-11-09 | 1986-01-02 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Vertical vibrating centrifuge |
FR2377231A1 (en) * | 1977-01-13 | 1978-08-11 | Fives Cail Babcock | CONTINUOUS CENTRIFUGAL SPIN PLANT, ESPECIALLY FOR SUGARS FOR REFINING |
-
1981
- 1981-01-16 AU AU66282/81A patent/AU536010B2/en not_active Ceased
- 1981-01-19 IT IT19200/81A patent/IT1135078B/en active
- 1981-01-21 DE DE8585109943T patent/DE3177201D1/en not_active Expired - Fee Related
- 1981-01-21 JP JP56500731A patent/JPS5844420B2/en not_active Expired
- 1981-01-21 BR BR8106034A patent/BR8106034A/en not_active IP Right Cessation
- 1981-01-21 WO PCT/US1981/000072 patent/WO1981002114A1/en active IP Right Grant
- 1981-01-21 EP EP81900473A patent/EP0044337B1/en not_active Expired
- 1981-01-21 EP EP85109943A patent/EP0167180B1/en not_active Expired - Lifetime
- 1981-01-21 AR AR284026A patent/AR223754A1/en active
- 1981-01-21 MX MX185642A patent/MX151921A/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB251593A (en) * | 1925-04-29 | 1926-08-26 | Anonima Ing Moncalvi & C Soc | Improved means for diminishing vibrations in high-speed vertical shafts applicable to centrifugal machines |
US1837838A (en) * | 1929-09-17 | 1931-12-22 | Troy Laundry Machinery Co | Antifriction spline |
DE969530C (en) * | 1953-12-01 | 1958-06-12 | Buckau Wolf Maschf R | Coupling between the pendulum-mounted spindle of a hanging centrifuge and the shaft of its drive motor |
DE1216202B (en) * | 1961-05-13 | 1966-05-05 | Machf Reineveld N V | Vibrating centrifuge with a rigid connection between centrifugal drum and drum shaft |
US3709368A (en) * | 1971-02-25 | 1973-01-09 | Maytag Co | Centrifugal extractor mounting |
Also Published As
Publication number | Publication date |
---|---|
EP0044337A1 (en) | 1982-01-27 |
AU6628281A (en) | 1981-07-30 |
EP0044337B1 (en) | 1986-09-03 |
DE3177201D1 (en) | 1990-08-23 |
MX151921A (en) | 1985-05-03 |
WO1981002114A1 (en) | 1981-08-06 |
JPS56501840A (en) | 1981-12-17 |
BR8106034A (en) | 1981-11-24 |
AR223754A1 (en) | 1981-09-15 |
EP0167180B1 (en) | 1990-07-18 |
IT1135078B (en) | 1986-08-20 |
JPS5844420B2 (en) | 1983-10-03 |
EP0167180A2 (en) | 1986-01-08 |
IT8119200A0 (en) | 1981-01-19 |
AU536010B2 (en) | 1984-04-12 |
EP0167180A3 (en) | 1988-03-23 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Opponent name: KRUPP INDUSTRIETECHNIK GMBH, DUISBURG Effective date: 19870520 |
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Free format text: IN PAT.BUL.15/87,PAGE 1927:CORR.:FRIED.KRUPP GMBH |
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