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6935510 Air separator  
The invention relates to an air separator for sifting material suspended in a flow of gas having course material and fine material by using a sifting wheel which rotates in a sifting chamber and...
6910585 Dynamic centrifugal gas classifier and method of classifying performed therewith  
An apparatus and process for classifying fine particles from a particulate material, such as toner and pigment powders. The apparatus is generally a dynamic centrifugal gas (air) classifier that...
6568536 Classifier and method for preparing toner  
A classifier is proposed which includes a dispersion chamber for dispersing a powder material therein, a classification chamber connected to the dispersion chamber, and a conical member disposed...
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...
6260708 Method for air classification of toner  
The method for air classification of toner used to develop electrostatic images, whereby a toner product consisting of a powder with a wide particle size distribution is converted into a...
6110242 Apparatus for separating solids from a gas  
An apparatus for separating solids, such as scrap material, from a gas such as an air stream. The apparatus includes a horizontally mounted outer cylinder or drum and an inner perforated...
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...
5931305 Powder classifier  
The present invention provides a powder classifier using a classification rotor capable of classifying powder with high efficiency and high accuracy. The classification rotor is attached to a...
5927510 Particle classification apparatus and processes thereof  
An apparatus for the classification of solid particulates entrained in a fluid, comprising: a housing provided with a feed inlet, a fine fraction outlet, and a coarse fraction outlet; and a...
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...
5788727 Centrifugal air separator  
A centrifugal air separator with a housing provided with inlets for material to be separated and separating air or a combined material and air inlet, and outlets for air-and-fines mixture and...
5755333 Method and apparatus for triboelectric-centrifugal separation  
A method for separating two species of particles present in raw feedstock includes electrically charging at least one of the species of particles being separated. Next is the subjecting of the...
5421147 Nut harvester  
A nut harvester includes a frame drawn by a tractor over nut and debris windrows on the ground of a nut orchard. The nut harvester collects the nuts from the windrows and separates the debris...
5377843 Classifying wheel for centrifugal-wheel air classifier  
A classifying wheel for a centrifugal-wheel air classifier, through which the classifying air flows from outside to the inside against its centrifugal action. The wheel has blades arranged in a...
5366095 Air classification system  
An air classification system comprises of dual cylindrical chambers mechanically separated, to allow a zone of atmospheric air in between. A primary classification chamber situated vertically below...
5354002 Double separator for sorting particulate material  
A double separator for sorting particulate material, e.g. raw materials of cement or cement clinker comminuted in a roller press, and in which the material charge is suspended in a conveying gas,...
5294002 Air separator with spiral staves  
Apparatus (10) for separating intermixed particulate materials. The apparatus (10) includes a housing (12) having a coaxial core (14) disposed therewithin to define an annular space (24) between...
5263589 Method of recovering tobacco from stemmery discard  
A stemmery discard of tobacco and soil particles is fed to an air/centrifugal separator in which a fraction of smaller tobacco particles is recovered with a low amount of soil. The residue from...
5232096 Material dispersion apparatus  
The invention relates to a material dispersion apparatus, particularly for spreading classifiers, with an upper material supply and a material feed surface. The material feed surface is constructed...
5222693 Apparatus for separating particulate matter from a fluid flow  
Apparatus for separating relatively more dense particulate matter from a relatively less dense fluid flow comprising a separator member mounted for rotation about an axis, and including the...
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...
5188237 Device for the separation of powders into coarse and fine components  
A device for the separation of a powder into a coarse component and a fine omponent with a housing 1, a material feed 3, 4 into the housing for the material to be fed and a coarse material...
5165549 Gas current classifying separator  
A separator for classifying powder with air current comprises at least a classifying chamber and an introducing section for introducing powder into the classifying chamber, a powder feeding inlet...
5158182 Sifter  
A rotary sifter for separating different fractions of particulate material having a cylindrical outer housing and three rotary cages with vertical bars through which material and air pass inwardly...
5115989 Dynamic roller mill air classifier  
The invention relates to a dynamic roller mill air classifier, which is provided in integrated manner over a roller mill. As existing air classifiers suffered from certain disadvantages with...
5114131 Circulation-type grinding system for grinding brittle material  
A grinding system for grinding brittle material such as used in the manufacture of cement including a high pressure roller press operated with high pressing forces to form interparticle crushing...
5059225 Gas purifying cyclone  
Gas purifying cyclone comprising at least one inlet nozzle (5) for contaminated gas, an outlet (6), for purified gas, an outlet (10) for contaminations, and a housing surrounding the rotor and...
5055182 Separator  
The invention relates to a pneumatic separator for separating relatively coarse and relatively fine particles and in which a material distributor plate is arranged below the rotor and guide unit in...
5032222 Spray drier for the preparation of powders, agglomerates and the like  
A spray drier (1) for the preparation of powders, agglomerates or the like, by the drying of pumpable products, has at an inlet (6) of its exhaust discharge line or lines (7) for the drying gas...
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...
4742919 Rotating separator  
Fines are separated from pin chips and a system in which a mixture of fines and pin chips is introduced onto a rotating disk which imparts centrifugal forces thereto for separation. In a first...
4693811 Sifter  
The invention relates to a sifter having a dispersing plate which has material passage openings therein. The dispersing plate carries guide elements and distributor elements adjacent such openings...
4689140 Separator for sorting particulate material  
A separator has a rotor (1) with top and bottom plates (2,3). An annular collecting casing (10) is secured to the top plate and is positioned at a radial distance from the material inlets (13). The...
4680107 Device for separation of the components of edible meals  
The separator device comprises a vertical, cylindrical container (4), provided at the bottom with a rotary discharge valve (9) and provided with a duct (5) which opens into its top portion and is...
4678560 Screening device and process  
A cyclic screening apparatus (10) and method utilizes multiple air flows and differential air pressures to separate undersize and oversize particles from a mixture of 5 to 50 micron size particles....
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...
4623458 Quick release expendable apex apparatus with bonded liner  
A quick release apex apparatus for a cyclone includes a semirigid cast urethane, neoprene/fiberglass, or plastic housing having a liner chemically bonded to the interior of the semirigid housing....
4599163 Device for the separation of the components of edible meal  
Separator device for edible meal, comprising a vertical cylindrical container (4) provided at its the bottom with a discharge rotary valve (9). A feeding duct (5) extends axially into the top...
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...
4541934 Quick release cyclone apex system  
A quick release apex apparatus for a cyclone includes a semirigid cast urethane, neoprene or rubber apex with an integral splash skirt and an upper annular flange for clamping the apex to the...
4528091 Particle classifier  
A particle classifier comprising a casing, at least two separating wheels, a guide baffle, and a discharge conduit. The casing has a classification chamber and one or more openings that are...
4526678 Apparatus and method for separating large from small particles suspended in a gas stream  
The present invention is directed to apparatus and a process for separating large from small particles suspended in a moving stream of gas by centrifugal forces which in a preferred embodiment...
4515686 Method for the operation of an air separator, and an air separator for the practice of the method  
An air separator method and apparatus provides a second, preferably downward air stream about and rotating in the same sense as a first, upward air stream to carry away coarser feedstock material...
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...
4470902 Method and apparatus for classifying particles  
A mixture of air and particles to be classified is ejected through a nozzle located at a lower portion of a vertical housing to deposit the ejected particles on an inner surface of the housing and...
4465194 Threshed tobacco lead separator  
A high efficiency tobacco separator for separating lighter particles such as leaf or lamina from heavier particles such as stem in a tobacco mixture have a primary and a secondary air separation...
4388183 Swirling air centrifugal scatter classifier  
A classifier using a swirling air current has two or more scatter plates turning about a common axis at different speeds and designed for causing outward motion of feed towards baffle rings placed...
4288317 Method and a system for separating an aqueous suspension containing fibrous particles into fractions of different average characteristics  
A method and system for separating an aqueous suspension containing fibrous particles into fractions of different average characteristics. The suspension to be separated is supplied to a separator...
Matches 1 - 50 out of 104 1 2 3 >