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Class 210/402 - Drum type


Subclass of Class 210 - Liquid purification or separation
Definition: Apparatus in the shape of a drum.
No. of patents: 287
Last issue date: 07/05/2011


1                
NumberTitleIssue Date
7971728Bone fragment collector
A filtration system for collecting bone fragments during surgery performed on a patient includes a cylinder having a rotating disk with circumferential arms extending radially in the cylinder to define pockets. The rotating disk includes a longitudinal hub that carr...
07/05/2011
7918348Filter device and method for the periodic cleaning of a filter
In a filter device and in a method for the periodic cleaning of a filter of a water treatment or sewage treatment plant, a rotating filter is arranged within its own separate filter chamber, the bottom of which is designed as following a contour of the rotating filt...
04/05/2011
7395935Filtering device
A filter device is provided with a filter tank, a filter drum disposed in the filter tank, and a drive mechanism which rotates the filter drum. The filter element is composed of a porous plate that is formed with a large number of circulation holes. The porous plate...
07/08/2008
7381335Method and arrangement for continuous filtering of particles out of a liquid
Method and arrangement for continuous filtering of particles out of a contaminated liquid by means of a number of separate filtering units (14) in order continuously to feed purified liquid to a consumer. Each filtering unit (14) comprises a rotatable,...
06/03/2008
7347916Vacuum washer drum
A vacuum drum washer is designed to enable the use of an end-draining drum for drum lengths exceeding 20 feet. The drum washer includes a cylindrical drum having a mesh screen defining an exterior wall. A plurality of outer filtrate channels are disposed radially in...
03/25/2008
7347933Self-cleaning intake screen
A self-cleaning screen that automatically cleans both the inside and outside surfaces of the cylindrical screen using only the rotation of the cylindrical screen itself. This self-cleaning ability is accomplished by using a fixed brush on the exterior surface of the...
03/25/2008
7293659Drum structure for rotary drum filtering apparatus and methods of using same
A drum structure for corrugated type rotary filters has relatively high filtering efficiency and relatively low manufacturing and/or installation costs. More specifically, a corrugated deck section is rigidly connected to a rotary drum structure by means of solid no...
11/13/2007
7252739Method for distributing cellulose pulp of low and medium consistency in order to form a uniform pulp web
The method is for distributing cellulose pulp that has a 2-12% consistency. A manifoid housing is in fluid communication with distributor housing. The distributor housing has holes that are distributed along a generatrix of the distribution housing. The cellulose pu...
08/07/2007
7249472Device for treating textile or similar in a continuous stream
The invention relates to a device for treating web-type textiles, nonwovens or paper in a continuous stream, uses a gaseous treatment agent that circulates in the device. The product lies on the exterior face of a permeable drum (5), which is subjected to an ...
07/31/2007
7216767Screen basket and shale shakers
A screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, the basket including two opposed spaced-apart side walls having first e...
05/15/2007
7208091Assembly for withdrawing and filtering partial volumes of process fluid
A method for withdrawing and filtering a partial volume of a particle-containing process fluid enclosed in a container, a combination of a container enclosing a process fluid and an assembly for continuously withdrawing and filtering a partial volume of a process fl...
04/24/2007
7198156Dam basket for vibratory separators
A vibratory separator and a screen mounting basket for a vibratory separator for separating components of material introduced into the basket, the vibratory separator including a collection receptacle beneath the basket, at least one screen assembly mounted in the b...
04/03/2007
7147230Sealing device and sleeve and holding element for such
The sealing device is for drum filters or filter presses to form a seal between the rotary drum end faces and the end faces of the trough in which the rotary drums are situated. A sealing element (3) is disposed in a groove (1) on the rotary drum end f...
12/12/2006
7115200Device for receiving and separating chips created by machine-tools and coolant (drive)
The invention relates to a device for receiving and separating chips and cooling liquid collecting on machine tools, in which a transport element is guided along a filter drum at a radial distance from the latter on guide rails, and cooperating driver elements actin...
10/03/2006
7037437Dual filter system for filtering of injector fluids
A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a...
05/02/2006
7029555Diagonally joined cylindrical fabric and manufacturing method thereof
A diagonally joined cylindrical fabric in the form of a cylindrical endless fabric is obtained by shifting ends of facing wefts of a non-endless fabric leftward or rightward and joining together the ends of the wefts to thereby form a joining portion inclined relati...
04/18/2006
7014764Device for receiving and separating chips created by machine-tools and coolant (sealant)
A device for receiving and separating chips and coolant collecting on machine tools, having a filter drum (12) that has an internal bearing ring (13) on each of its two ends, which each engage in an external bearing ring (16) so that they rotate...
03/21/2006
7014760Device for receiving and separating chips created by machine tools and coolant (overflow)
A device is disclosed for receiving and separating chips and coolant collecting on machine tools, the coolant being returned for reuse and the chips being removed, having a receiving tank (1) to receive the chips and the coolant, a rising guide section (3
03/21/2006
7001515Dual filter system for filtering of injector fluids
A filtering system used on a meat injection machine that injects pickling into meat products. The filter consists of a tank and a first and second rotary filter. The first rotary filter uses a wedge wire wound cylinder and augers having flutes that rotate to catch a...
02/21/2006
6991738Flow-through drum centrifuge
A process includes coating a cylinder having an inner wall and a cylinder axis with a gel coating on the inner wall. Then a specimen mixture including solvent is made to flow through the cylinder while the cylinder is being continuously rotated. The specimen mixture...
01/31/2006
6941652Methods of fabricating a thin-wall expandable well screen assembly
An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then defo...
09/13/2005
6936164Rotary drum rainhead
A device for separating debris and other material from rainwater as it flows into a downpipe from a roof gutter is disclosed. The device has a compartment for fitting to the upper end of a downpipe. The compartment has a horizontally pivoted perforated drum which ro...
08/30/2005
6935555Method of brazing and article made therefrom
A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected...
08/30/2005
6932883Screens for vibratory separators
A method for making a screen assembly for a vibratory separator, the method including, in at least certain aspects, gluing together with glue at least two layers of fine screening material, allowing the glue to set, preheating the glued together at least two layers ...
08/23/2005
6929064Downhole pump
There is disclosed an improved pump (5, 5′) particularly suitable for use in a method of “artificial lift” in an oil/gas well. Known pumps used in artificial lift methods suffer from a number of problems/disadvantages—e.g. low efficiency (hydraulic ef...
08/16/2005
6906227Bisphenol phenol adducts
The application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones. ...
06/14/2005
6890443Spin filter system
A spin filter apparatus for cleaning an influent stream is provided and includes a housing having at least one inlet port for receiving the influent stream, at least one waste port for discharging waste and at least one output port for discharging a processed clean ...
05/10/2005
6871744Apparatus for electrodewatering
A solid-liquid mixture is electro-dewatered by apparatus having a conveyor belt for receiving an electric charge and having the mixture deposited thereon and an element above the conveyor belt receiving an opposite electric charge with the conveyor belt an element c...
03/29/2005
6808624Replaceable media filtration
An improved method for using replaceable filtration media in a rotatable drum. A plurality of media cartridges are installed on the rotatable drum. As the drum rotates, the media cartridges are alternately submerged and lifted from the water. The constant cycle of f...
10/26/2004
6808076Self-cleaning drum filter
Self-cleaning drum filter comprising a pressure vessel (11) containing a cylindrical filtering drum (15) to whose outside curved surface a filtering mat (57) is juxtaposed, provided with means for removal of the cake collected on the outside of ...
10/26/2004
6800197Continuously operable rotating drum pressure differential filter, method and systems
A rotating drum pressure differential filter is provided whereby a layer of filter medium is continuously refreshed by a spray applicator device after the layer is utilized to filter components sample medium and a portion of the layer is subsequently scraped to remo...
10/05/2004
6799686Tubular filtration apparatus
An expandable well screen has a desirable thin-wall construction together with a simplified fabrication method. In fabricating the screen, a flexible sheet of metal mesh filter media is diffusion bonded to an inner side of a perforated metal sheet which is then defo...
10/05/2004
6796435Solid-liquid separating apparatus
A solid-liquid separating apparatus comprising a cylindrical strainer formed by circular ring members with gaps in between, a casing having the strainer therein, and scrapers disposed in the respective gaps between the circular ring members for removing solid matter...
09/28/2004
6785964Method for making a mechanical screen cylinder
A method of manufacturing a mechanical basket (P) of substantially cylindrical shape for centripetal or centrifugal flow relative to an axis (R) and having rings (A) lying in planes perpendicular to the axis of revolution and wires (F) rigidly connected to the rings...
09/07/2004
6756597Fluid sterilization apparatus
A fluid sterilization apparatus including a sterilization chamber having a cavity therein, and a nozzle for receiving pressurized fluid and directing a spray of the fluid into the cavity. An electron beam generator having an exit window is mounted to the sterilizati...
06/29/2004
6666976Self cleaning water filter
A self-cleaning water filter, coupled to a water flow having particulates therein, that includes a pair of canisters, each having a cylindrical wedge wire water filter screen. An elongated brush running the length of the screen is disposed between two con...
12/23/2003
6660161Dewatering device
Apparatus for pressing liquid from a liquid containing material is disclosed including a pair of juxtaposed rotary rolls forming a nip, at least one of the rolls being liquid permeable, that roll including an abduction surface extending laterally across t...
12/09/2003
6655531Pressure filtration device
An assembly for separating solid phase material from a slurry that comprises a pressurized filtration unit including a vessel and filter media. A slurry is fed to the filtration unit where it is separated into a solid phase material and a liquid phase mat...
12/02/2003
6631810Sealing arrangement for a pulp dewatering arrangement
The arrangement is for washing and dewatering a fiber pulp suspension. The arrangement comprises two hollow, circular-cylindrical screen members that have evacuation chambers arranged inside the screen members for leading off liquid. The screen members ro...
10/14/2003
6616840Rotary separator
A device for separating one or more components from a fluid, such as gas, water, oil and so on, which device is provided with a closed drum-shaped first carrier which is rotatable driven on a shaft and has means for feeding respectively discharging the fl...
09/09/2003
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