Class / Patent application number | Description | Number of patent applications / Date published |
494050000 | Including driven material-moving means therein | 17 |
20080207422 | CENTRIFUGE - A centrifuge ( | 08-28-2008 |
20100144508 | METHOD AND DEVICE FOR CLEANING OF A FLUID IN A CENTRIFUGAL SEPARATOR - A method for purifying a fluid from contaminating particles in a centrifugal separator by means of a separation aid which is of higher density than the fluid and which binds said particles, the centrifugal separator having a rotor body that rotates about an axis of rotation. The fluid to be purified is led via an inlet into a separation chamber delimited by the rotor body. Separated particles are discharged via a first outlet and clarified fluid cleared is discharged via a second outlet. The fluid being mixed with an amount of separation aid, supplied to the separation chamber. The pollutant particles are bound to the separation aid, which is forced out by the rotation of the rotor body to the periphery thereof. A small flow of separation aid and particles bound thereto are discharged from the separation chamber via the first outlet, and a flow of purified fluid is discharged from the separation chamber via the second outlet. | 06-10-2010 |
20160067718 | SOLID-WALL SCROLL CENTRIFUGE HAVING AN ENERGY RECOVERY DEVICE - A solid-bowl screw centrifuge with a centrifuge drum that can rotate about a longitudinal axis during operation is created, at least one discharge opening being provided on the front wall thereof for clarified product to flow out of the centrifuge drum, a weir edge delimiting the discharge opening toward the outside radially and an energy recovery device for recovering energy from the clarified product being designed therewith. The energy recovery device is designed as a discharge pipe, which is located on the outside in front of the discharge opening and through which clarified product passes as it is discharged. | 03-10-2016 |
494051000 | Plural driven means | 2 |
20090247384 | HELICAL CONVEYOR CENTRIFUGE HAVING A DRIVE DEVICE - A helical conveyor centrifuge, such as a solid-bowl or sieve-bowl centrifuge, includes a rotatable drum, a rotatable screw disposed within the drum, and a centrifuge drive for rotating the drum and the screw. The centrifuge drive is configured to set a differential speed between drum and screw. The centrifuge drive includes a first motor, a second motor, and a gearing arrangement disposed between the motors and also between the drum and the screw. The gearing arrangement includes a gearing arranged downstream of the motors and has a first gear, a second gear and a third gear stage. The first and second gear stages include at least four shafts. Torques are either introduced into or are taken off from the first and second gear stages. The first and second gear stages are disposed in a housing and driven by at least three of the at least four shafts. | 10-01-2009 |
20120157289 | CENTRIFUGAL SEPARATOR - The centrifugal separator has a rotating bowl and a rotating conveyor with an acceleration chamber arranged coaxially within the bowl. The centrifugal separator further has a separation chamber, which is radially limited by the bowl and the conveyor, respectively, and the acceleration chamber is provided with feed ports for inlet of feed material into the separation chamber. A feed accelerator is arranged coaxially within the acceleration chamber and is rotating in use around a common axis of rotation relative to the conveyor at a lower speed than the conveyor. The feed accelerator has a discharge outlet for discharge of feed material into the acceleration chamber of the conveyor. The feed ports extend a first axial area and the discharge outlet extends a second axial area, whereby the first and the second axial area are overlapping. | 06-21-2012 |
494052000 | Rotatably driven coaxially with bowl, but differing as to direction or speed | 12 |
20090118112 | LIQUID DELIVERY APPARATUS AND LIQUID DELIVERY METHOD - A chamber chip | 05-07-2009 |
20120021889 | LEVEL REGULATOR - The invention is a decanter centrifuge for separating a first substance and a second substance with different densities, comprising a bowl rotating in use around a horizontal axis of rotation in a direction of rotation, said axis of rotation extending in a longitudinal direction of said bowl, a radial direction extending perpendicular to the longitudinal direction, a base plate provided at one longitudinal end of said bowl, said base plate having an internal side and an external side, an outlet opening provided in said base plate for discharge of one of said substances. A slide valve body is adapted for covering an adjustable part of the outlet opening to delimit an effective area of the outlet opening. | 01-26-2012 |
494053000 | Including element having helical blade | 9 |
20080287277 | DEVICE FOR DEWATERING OF BULK OR FREE-FLOWING INPUT MATERIAL BY COMPRESSION - A device for dewatering bulk or free-flowing input material by compacting it is provided. The device has a housing arranged along an axis of rotation, which has an input area and a feed and compaction area following axially within a jacket pipe. In the housing, a coaxial drive shaft with circumferentially extending coils rotates, compacting the input material during transport from the input area through the feed and compaction area. In this process the residual water present in the input material is conducted through radial openings in the jacket pipe from the device. According to the invention it is provided that at least in a partial region the jacket pipe is provided with passages and inside the jacket pipe an inner pipe is arranged, which lies at least partially with its external circumference against the inner circumference of the outer jacket pipe and which at least in the area of the passages has passage openings that are several fold smaller than the passages in the jacket pipe. | 11-20-2008 |
20080312060 | Screw-Type Solid Bowl Centrifuge - A screw-type solid-bowl centrifuge including a rotatable drum having a tapering portion and a cylindrical portion. The rotatable screw includes a screw body, at least one main screw blade surrounding the screw body and forming a plurality of screw flights. The plurality of screw flights forms a conveying path configured to transport a material to be processed in the centrifuge. Two blade segments are arranged in the conveying path in portions of the plurality of screw flights. The at least one main screw blade is provided in a region of the blade segments that includes clearances configured to allow a throughflow of the material to be processed to flow between adjacent screw flights. | 12-18-2008 |
20110281716 | Wear Tiles for Centrifugal Separators - A wear tile includes a support member and a wear plate formed of material known as Cerbide. A plurality of the tiles may be secured to any structure that is subject to wear, such as the rotating vane section of a centrifugal separator. | 11-17-2011 |
20120004088 | CENTRIFUGAL LIQUID SEPARATION MACHINE TO EFFICIENTLY FLOW MULTI-PHASE SOLIDS FROM A HEAVY PHASE DISCHARGE STREAM - The present invention relates to a centrifugal liquid separation machine and in particular to a screw type centrifugal liquid separation machine that lifts grit and other solids from the bowl wall in a radially inward manner and resuspends the grit and other solids into the heavy phase discharge flow. According to one embodiment of the present invention, the machine has an outer bowl and a conveyor. The bowl and conveyor are coaxial, and a back drive assembly causes these components to rotate at different speeds to allow the conveyor to mechanically sweep heavy phase materials within a separation region of the machine. Grit is conveyed radially inward along a plow and tumbled into the heavy phase discharge flow, wherein it is resuspended and exits the machine with that flow. Wipers can also be provided for preventing blockage of heavy phase flow under the solids baffle. | 01-05-2012 |
20120129677 | DECANTER CENTRIFUGE AND A SCREW CONVEYER - A decanter centrifuge for separating a supplied material in a light phase and a heavy phase comprising an elongate bowl arranged for rotation about its longitudinal axis, the bowl having a separation chamber with a circumferential wall, a screw conveyor being provided in the separation chamber and being coaxial with the bowl, the screw conveyor comprising a conveyor hub. The conveyor hub comprises a longitudinal tubular steel body part and a helical steel conveyor flight attached to the tubular steel body part. The conveyor hub further comprises an inner longitudinal body extending coaxially relative the longitudinal tubular steel body part. The inner longitudinal body is extending through at least a part of the tubular steel body and is made of a first material, such as carbon fibre reinforced epoxy, whose specific modulus is larger than specific modulus of the steel material of the tubular steel body part. | 05-24-2012 |
20130210601 | CENTRIFUGAL SEPARATOR - A centrifugal separator includes a rotor which is rotatable around an axis of rotation. The rotor includes a separation chamber with an inlet for a liquid mixture containing solid particles, at least one liquid outlet for a separated liquid from the liquid mixture, and a solids outlet for the separated solid particles. A screw conveyor is arranged to rotate inside the rotor around the axis of rotation, at a different speed than the rotor. The screw conveyor has at least one conveyor flight for transporting the separated solid particles in the separation chamber towards and out of the solids outlet. The conveyor flight is provided with wear resistant elements arranged along its edge and the wear resistant elements are spaced apart with an interspace between mutually adjacent wear resistant elements. | 08-15-2013 |
20140005024 | CENTRIFUGAL SEPARATOR HAVING AN INLET WITH WEAR RESISTANCE MEMBERS, AND A FEED ZONE ELEMENT WITH WEAR RESISTANCE MEMBERS | 01-02-2014 |
20140051565 | FULLY JACKETED SCREW CENTRIFUGE HAVING AN OVERFLOW WEIR - A solid-wall screw centrifuge includes a discharge for discharging a clarified liquid from a drum of the centrifuge. The drum includes a passage in a drum cover associated with a weir plate. The passage, drum cover, and weir plate form an overflow weir on a radial inner edge. A deflecting device is arranged on an outside on the drum cover, the deflecting device is arranged such that an exiting fluid flow from the centrifuge is one of deflected in the circumferential direction and subjected to a twist in the circumferential direction. | 02-20-2014 |
20150011372 | CENTRIFUGAL SEPARATOR EQUIPPED WITH SEPARATED LIQUID JET NOZZLE - Provided is a centrifugal separator equipped with a separated liquid jet nozzle, capable of reducing energy consumption on the rotational drive of a bowl, and capable of avoiding the problem of the solid contained in the raw liquid being discharged through a jet nozzle to a liquid recovery system, and the problem of the adverse effect being produced on the water content ratio in the discharged solid content when the treatment conditions are changed. | 01-08-2015 |
494055000 | Including plurality of discrete pushing or scraping elements moving proximate to material collecting surface of bowl | 1 |
20160107173 | CENTRIFUGE - A centrifuge has a bowl, an opening at the center of the lower part of the bowl for supplying liquid to be treated and for discharging a centrifugally separated solids cake, and a tapered section configured so that the radius of the inner peripheral surface of the tapered section reduces downward toward the opening. Protrusions are provided at circumferential locations on the inner peripheral surface of the tapered section and protrude from the inner peripheral surface. A wing rotates within the bowl about the vertical axis and transports the separated solids cake toward the opening when rotating relative to the bowl. A drive mechanism moves the wing to a first height position and rotates the bowl and the wing together, or moves the wing to a second height position lower than the first height position and rotates the wing relative to the bowl. | 04-21-2016 |