Patents
Sitemap › B07 - Separating solids from solids; Sorting › B07B - Separating solids from solids by sieving, screening, or sifting or by using gas currents; Other separating by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material › B07B 7 - Selective separation of solid materials carried by, or dispersed in, gas currents
Patents for B07B 7 - Selective separation of solid materials carried by, or dispersed in, gas currents (3,808)
05/1993
05/19/1993DE4137633A1 Windsichter und verfahren zum betrieb eines windsichters Wind sifter and method for operating a wind sifter
05/06/1993DE4135879A1 Sorting wheel for delivery of fine and abrasive substances - has hollow hub and axial metal blades between annulus and cover-plate with their ends mounted in annular grooves
05/05/1993CN2131620Y High efficiency material selective separator
04/1993
04/29/1993DE4134874A1 Particle grader with external blower - has vertically adjustable baffle ring fixed below thrower disc to control vertical component of spiral air flow
04/28/1993CN2130607Y Direct controlled grain selective separator
04/28/1993CN1071351A Process and apparatus for grinding and winnowing fine aluminium powder
04/22/1993DE4134608C1 Pneumatic separator for sorting and classifying mites from faeces - includes air-impinged vortex housing with surmounted sifting tube and collector
04/21/1993CN1071103A Bi-axial, parallel and centrifugal rough powders separator
04/13/1993US5201422 Classifier for powdery material
03/1993
03/31/1993EP0534483A2 Centrifugal separator with turbine
03/31/1993CN1070354A Rice huller
03/18/1993WO1993004781A1 Method for dry concentration of metal in a metal containing ore or slag
03/03/1993CN2127641Y Vertical cone wheat brush screening machine
02/1993
02/23/1993US5188237 Device for the separation of powders into coarse and fine components
02/09/1993US5184730 Method and apparatus using feed conveying fluid blending the feed and/or separating debris from the feed
12/1992
12/29/1992US5174455 Coarse particle separator for toner particles
12/23/1992EP0519535A1 Dynamic separator for pulverulent materials, in particular cement, and a plant incorporating it
12/09/1992EP0516643A1 Vertical impact mill with coupled material screening
11/1992
11/26/1992DE4116683A1 Wind sifter for separate removal of coarse and fine materials - has preliminary jet pipe and high-speed gas jet for initial dispersal of material
11/25/1992CN2122691U Device for separating ferromanganese iron from manganese slag
11/24/1992US5165549 Gas current classifying separator
11/19/1992DE4115898A1 Cylindrical wind sifter with bottom coarse outlet - has top fine outlet divided into several outlet apertures, symmetrical to rotor axis
10/1992
10/29/1992WO1992018248A1 Milling process and apparatus
10/28/1992CN2119971U Winnowing machine
10/27/1992US5158182 Sifter
10/21/1992CN2119272U Rotary cylinder type grain winnowing machine
10/06/1992US5152604 Recirculating debris separating method and apparatus
09/1992
09/30/1992CN2117216U Chaff seperator
09/30/1992CN1018459B Process for producing toner powder
09/01/1992US5143303 Pressurized equalization tank, screw conveyor, uniform flow, gas-solid suspension, bifurcation device, acceleration nozzles of counter-jet-grinder, centrifugal classifier
09/01/1992US5142732 Bulk separator for industrial vacuum machine
08/1992
08/26/1992CN1063830A Method and apparatus for dry grading tungsten powder or tungsten carbide powder
08/19/1992CN2113113U Three time air intaking type pneumatic selective separator for powdered material
08/16/1992CA2061255A1 Treatment of particulate material
08/12/1992CN2112460U Winnower for grain
08/09/1992CA2040931A1 Device for the separation of powders into coarse and fine components
08/05/1992CN2111798U Pneumatic jet powders classifier
07/1992
07/29/1992EP0496124A1 Roller mill
07/29/1992CN2111146U Rice cleaning machine
07/16/1992DE4100622A1 Automatic gap adjustment for wind sifter - uses displaceable gap wall associated with outlet pipe
07/09/1992DE4040808A1 Stone exclusion system from coal mill sieve - has discharge conduit sloping downwards from inclined top impact plate
07/08/1992CN2109267U Shunting multi-step pneumatic concentration type grain cleaning machine
07/02/1992DE4040561A1 Dust removing and/or sorting granular material in air stream - exhaust air through top charge aperture next to material for feed into air swirl flows
07/01/1992EP0492062A2 Air separator
06/1992
06/24/1992EP0491278A2 Method and device for dedusting and/or classifying granular or fibrous material in an air stream
06/11/1992WO1992009376A1 Double separator for sorting particulate material
06/10/1992CN1061733A Double separator for sorting particulate material
06/09/1992US5120431 Pneumatic centrifugal separator
05/1992
05/27/1992DE4040890C1 Dust generating material sorting wind sifter - has rotor with several concentric blade rims, including guide blades
05/26/1992US5115989 Dynamic roller mill air classifier
05/13/1992EP0484758A2 Apparatus for dispersing materials
05/12/1992US5111998 Pulverization to powder, classification
05/05/1992CA1300042C Separator for separating tobacco particles from a tobacco/gas mixture
04/1992
04/29/1992EP0482505A1 Vortex-filter combination for the separation of solids dispersed in gases or in vapours
04/28/1992US5107632 Device for separating blasting dust from blasting agent
04/15/1992CN1060236A Method to sort asbestos with fluidized bed
04/02/1992WO1992004988A1 Separator unit
04/01/1992EP0307406B1 Fluidized bed reactor
04/01/1992CN2100260U Air-flow (water flow) powder screen
04/01/1992CN2100259U Rotor airflow classifier made of the ceramic material
03/1992
03/26/1992DE4029758A1 Abscheider Separators
03/25/1992CN1059705A Process for producing defferent grain-size sb2o3 simultaneously and the equipment thereof
03/10/1992US5094391 Pneumatic classifier
03/04/1992EP0472930A2 Pneumatic classifier, preferably a vertical one
03/04/1992CN2097691U Fluidized-bed coal dry process grading plant
02/1992
02/13/1992DE4025458A1 Turbine type air sifter - has sifting action enhanced by suction at inside edge of rotor vanes
02/13/1992DE4025247A1 Turbine-type air sifter - has lower end plate of rotor dished so that distance between end plates increases towards centre
02/06/1992DE4024440A1 Vertical winnowing machine impeller with curved vanes - has step formed between impeller outlet duct and outlet chamber
01/1992
01/29/1992EP0468426A2 Classifier for powdery material
01/24/1992CA2047494A1 Classifier for powdery material
01/02/1992EP0463141A1 Spiral winnower.
12/1991
12/18/1991CN1057115A Method and apparatus for producing toner for developing electrostatic image
12/11/1991EP0460490A2 Air classifier
11/1991
11/27/1991CN1014869B Gravity classifier
11/20/1991CN2088905U Grading device by wind power for fine particle and powder
11/07/1991DE4014342A1 Air classifier with separate distributor - to optimise material distribution in classifying chamber using scatter rings
10/1991
10/29/1991CA1291357C Method and device for dry forming webs
10/23/1991CN2087102U Vertical taper profile thresher
10/22/1991CA1291067C Apparatus for the classification or separation of solid materials
10/08/1991US5055182 Separator
10/02/1991EP0449323A1 Process for producing toner for developing electrostatic image and apparatus system therefor
10/02/1991CN1014121B Wind conveyer
09/1991
09/25/1991CN2085264U Double axial, parallel and centriful type coarse powder separator
09/18/1991CN2084848U Quantitative feeder for solid corpuscles
09/18/1991CN2084847U Absorption-type cottonseed cleaning machine
09/05/1991WO1991012892A1 Vertical impact mill with coupled material screening
08/1991
08/28/1991EP0443119A2 Dynamic roller mill-air classifier
08/27/1991CA1288081C Rotating separator
08/21/1991EP0442788A2 Wind sieve with centrifugal action
08/08/1991DE4005031C1 Dynamic wind sifter for roller mill - has central, restricted riser for air material mixt. flow with downwards deflection in top region of sifter rotor
08/07/1991CN1053565A Size grading method and apparatus for micropowders via sharply-turned efflux
08/07/1991CN1053564A Dry gravitational stratification for separating and refining diatomite
07/1991
07/25/1991WO1991010513A1 Spiral winnower
07/24/1991CN1053198A Pneumatic lift
07/17/1991EP0287566B1 Device for dry forming webs
07/03/1991CN1013031B Gas current classifying separator
06/1991
06/25/1991US5025930 Centrifugal classifier
06/18/1991US5024754 Separator
06/12/1991CN1052061A Oscillating fluidized powder classifier
06/04/1991US5021149 Process and device for processing granulated materials
1 ... 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39