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7225931 Filter device  
The present invention relates to a filter device, especially for a fluidised bed system and particularly for use in the pharmaceutical industry, for separating particles larger than a separating...
7156235 Apparatus for and method of classifying particles discharged from a vertical mill  
A classifier for separating coarse particles from a stream of gas and particles discharged from a vertical mill. The classifier includes a generally cylindrical outer casing having a vertical axis...
6776291 Article and apparatus for particulate size separation  
An article including: disk or vortex ring with a circular opening in the center of the disk; and a fastener adapted to concentrically attach the disk to the particle outlet opening of a classifier...
6644479 Method and air separator for classifying charging material reduced in size  
A method of grading comminuted charging material in a wind sifter having a sifting rotor. The sifting air and the charging material are introduced into a sifting chamber and blocking air is blown...
6607079 System and method for controlling particle flow distribution between the outlets of a classifier  
An apparatus for separating coarse particles from a stream of gas entrained with a mixture of coarse and fine particles includes an outer casing, an inner casing disposed within the outer casing...
6318561 Air classifier  
This invention relates to an air classifier for the separation of granular material into three fractions, whereby each individual fraction is very precisely separated in a single housing. The...
6318559 Air classifier with rotor comprising two independently controllable parallel flow paths  
A centrifugal type pneumatic separator having a rotor and a housing. The rotor has a plurality of vanes distributed around a periphery thereof. The housing contains the rotor. The housing has an...
6290071 Air separator system  
An air separator system for separating particulate material into coarse and fine particles without utilizing water. The inventive device includes a trailer, a support frame pivotally attached to...
6276534 Classifier apparatus for particulate matter/powder classifier  
A powder classifier which includes a classifier rotor fixedly secured to a rotatable shaft and having (i) an interior portion defined by upper and lower plates and (ii) an impeller wheel having...
6273269 Air classifier with centrifugal action pneumatic separator having centrifugal action  
A centrifugal type pneumatic separator having a rotor and a housing. The rotor has a plurality of vanes distributed around a periphery thereof. The housing contains the rotor. The housing has an...
6193075 Air classification of animal by-products  
The utilization of an air cyclone classifying method to effectively separate out a low ash fraction, containing less than 11% by weight of non-protein material, from rendered animal meal. A yield...
6109448 Vertical-axis air classifier  
A vertical-axis air classifier having a central product feed, a drive shaft, a tangential classifying air supply inlet located on a level with the rotor, a stationary guide vane ring arranged at a...
6044977 Method and apparatus for removing microparticulates from a gas  
A chamber has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent of the chamber. This drive shaft is rotatably driven by a motor at a speed of...
5976224 Separating carbon from ash  
A method of separating unburned Carbon, as particulate matter, from the flyash produced as a result of the combustion process occurring in a pulverized-coal fired steam generating power plant is...
5957300 Classifier vane for coal mills  
An improved vane of the type adapted for use in the classifier cage of a bowl mill type coal pulverizer. The improved vane is designed such that its lower end extends below the classifier cage...
5957299 Separator wheel for an air separator  
A separator wheel for an air separator, through which separation air loaded with fine material flows through the separator wheel from the outside to the inside and in which the separation air...
5938046 Air separation grader  
The invention relates to a grader which employs an air separation principle. The grader includes a rotor rotatably supported in a housing. The rotor includes a pair of rotor disks on its outer...
5938045 Classifying device  
A classifying device including an upper, dispersing chamber for dispersing solid particles supplied thereto together with a carrier gas, and a lower, classifying chamber directly connected to a...
5934483 Bi-chamber air classifier with coaxial ascending dispersed feed  
Apparatus of theforced air vortex type for classification of particulate material into a fine portion and a coarse portion, the apparatus comprising a truncated cone shaped upper section (101)...
5884776 Dynamic classifier with hollow shaft drive motor  
A dynamic classifier for a coal pulverizer has an improved drive mechanism which is mounted on top of a pulverizer and concentric with the classifier axis of rotation and is directly controllable....
5819947 Classifier cage for rotating mill pulverizers  
An improved classifier cage for bowl mill type coal pulverizers which have been converted from stationary throats to rotating throats with reversed flow direction. The direction of the classifier...
5803271 Centrifugal force separator  
The invention relates to a centrifugal force separator whose rotor shaft protrudes at at least one of the two axial ends through a chamber for the discharge of the fines and the air. Particularly,...
5624039 Separator for sorting of particular material  
A separator for sorting of particulate material suspended in a conveying gas into a fine fraction and a coarse fraction, which separator comprises a rotor with a shaft, a housing, which encases the...
5595660 Plate-type separator  
A plate-type fluid separator is used to separate a plurality of mutually immiscible components from a mixed fluid stream thereof. The separator contains at least one separator flow plate which has...
5585008 Method of using a plate-type separator  
A method of separating two or more immiscible components from a multicomponent fluid stream thereof involves passing the stream through one or more separation chambers of a plate-type separator....
5533629 Vortex pneumatic classifier  
Precise classifying of granular or powdered raw material at the desired classifying point by means of a vortex pneumatic classifier comprising: a rotor, a plurality of vortex flow adjusting vanes...
5511668 Pneumatic sifter  
A pneumatic sifter includes a feeder for supplying sift material, optionally with sifting air, to a rotationally symmetrical sifting chamber which surrounds a centrally disposed air outlet chamber,...
5301812 Air classifying apparatus with wear reducing deflector  
Improvements are disclosed in apparatus for air classifying mineral particles by size. The apparatus is of the type including a vertically oriented flow channel for carrying an upwardly directed...
5273163 Centrifugal particle classifier having uniform influx distributor  
A classifier rotor mounted for rotation about a rotor axis inside a classification chamber for separating a fines fraction includes a plurality of disks mounted in parallel, spaced-apart relation...
5201422 Classifier for powdery material  
A classifier for powdery material has a cylindrical casing formed at an upper portion thereof with an inlet port for introducing the material to be classified into the casing in a tangential...
5120431 Pneumatic centrifugal separator  
A pneumatic centrifugal separator comprises guide vanes disposed along the generatrices of a fictitious cylinder having a vertical axis, the guide vanes being adapted to impart to a gas stream...
5025930 Centrifugal classifier  
A centrifugal classifier comprising a housing, which is provided with inlets for material to be classified and classifying air or with an inlet for material to be classified and classifying air and...
4919795 Leakage prevention apparatus for a classifier  
In a classifier having a rotary classifying impeller in a casing for discharging fine powder to the outside of the casing, a leakage prevention apparatus is provided for the classifier which has a...
4869786 Air classifying process and air classifier  
The invention relates to a process and to an air classifier for the separation of classifying material into coarse material and fine material. Known air classifiers suffer from considerable...
4818376 Leakage prevention apparatus for a classifier  
In a classifier including a rotary disc provided on a lower end of a vertical rotary shaft depending from the top of a hopper-type casing, a horizontal dispersing disc is provided directly below...
4799595 Apparatus for the classifying of powdered bulk materials  
The invention relates to an apparatus for classifying powdered bulk materials, particularly ground clinker, limestone or cement raw material, by air sifting. The material to be classified is fed to...
4786406 Particle classifier with wear-resistant classifier wheel  
A particle classifier and in particular a particle classifier wheel where the blades are made entirely of a wear-resistant material such as sintered corundum. The blades extend between two discs...
4776950 Classifier  
A classifier has a rotor, driven by a motor, mounted between two opposed walls of a housing. The housing also has a curved wall which extends between the walls and around the rotor to define...
4729760 Apparatus for the centrifugal separation of a mixture of phases  
The apparatus according to this invention comprises, in a fixed enclosure, a rotating element constituted by a treatment rotor incorporating perforated discs offset angularly one from the other,...
4689141 Separator for sorting particulate material, with a plurality of separately adjustable guide vane sets  
A separator for sorting particulate material has a rotor (1) with vanes (3); static, separately adjustable guide vanes (8,9); a casing (14) defining an inlet duct for material suspended in a...
4661244 Rotary basket air classifier  
The invention relates to a rotary basket air classifier. A favorable predispersion of the material to be classified, particularly in the case of an upwardly directed spent classifying air line has...
4636302 Separator  
A separator has a rotor (1) with radial vanes (12) between plates (8,11). Material to be sorted is supplied, entrained in a conveying gas, through an inlet duct (6) to some rotor vane interspaces...
4604192 Powder classifier  
In a powder classifier of the kind having a turbine-like horizontally rotating classifying rotor which is arranged to have air diametrically flow into radial passages and to cause the coarse powder...
4564442 Operating procedure and sifter for the sifting of cement  
Operating procedure for the operation of a circulating-air sifter, particularly a cyclone circulating-air sifter for sifting cement, characterized by the feature that the circulating air stream is...
4551241 Particle classifier  
A particle classifier includes a generally cylindrical, air and fine particle permeable cage having a closed top and open bottom mounted to a central drive shaft. A casing surrounds the cage and...
4511462 Method and apparatus for sorting particulate material  
A method for separating particulate material into coarse and fine fractions is disclosed by suspending the material in a conveying gas flow having a radially symmetrical flow pattern, radially...
4507197 Apparatus and method for producing shot-free mineral wool  
An apparatus and dry method for de-shotting shot-containing mineral wool fibers wherein the fibers are treated in a granulator to compact them into entangled nodules, and the nodules are passed...
4478718 Centrifugal separation apparatus  
The invention relates to a process for multiple centrifugal separation of a mixture of phases and to an apparatus for carrying such process out. The invention is applicable to a mixture of phases...
4460393 Apparatus for centrifugal separation of a mixture containing at least one gaseous phase  
Improved apparatus of the type comprising inside a fixed enclosure, a rotary assembly constituted by a treatment rotor with apertured discs angularly offset one with respect to the other, upstream...
4409097 Improved pivotable centrifugal classifier and method of classifying  
A centrifugal classifier is disclosed having a high and adjustable yield of fine material. The classifier has a substantially cylindrical upright housing with an approximately tangential...
Matches 1 - 50 out of 95 1 2 >