Class 209/23 - With deposition

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Methods and apparatus in which there is coincident sifting
No. of patents: 29
Last issue date: 06/05/2007

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Number	Title	Issue Date
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 grain from an amount of particles in a fluid flow. The filter device in...	06/05/2007
7188730	Separation system for single stream compressed recyclables A screening system designed to provide separation of multiple fractions of New Screens Fines. News Screens Fines (“NSF”) contain a mix of compressed, unmarketable recyclables that are generally less than four inches in size created as a by-product of current Mat...	03/13/2007
7188389	Dirt collecting system for a floor care appliance The invention is a floor care appliance such as vacuum cleaner having several embodiments of a dirt particle separating and collecting system removably inserted and sidewardly disposed into a recess in the floor care appliance's housing. One embodiment of the dirt p...	03/13/2007
7146681	Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an...	12/12/2006
7115157	Gas separation apparatus and methods Novel gas separation apparatus and methods are provided that help reduce the amount of process gas lost through the discharge outlet of either a cyclone separating gas/solid mixtures or a hydroclone separating gas/liquid mixtures. Significant savings are realized by...	10/03/2006
7080742	Method and apparatus for improving silicon processing efficiency A method for processing polycrystalline silicon workpieces to form size distributions of polycrystalline silicon pieces suitable for use in a Czochralski-type process includes: (1) preparing a polycrystalline silicon workpiece by a chemical vapor deposition process;...	07/25/2006
7077887	Low pressure impact separator for separation, classification and collection of ultra-fine particles Impact type gas-particle separation is applied to ultra-fine particles by judiciously altering the aerodynamic drag on the particles with respect to their inertia by operation at sub-atmospheric pressures. An impact separator has a housing having a channel in which ...	07/18/2006
7028847	High efficiency two-stage dynamic classifier A two-stage dynamic classifier (30, 30′) for classifying a pulverized feed material (34, 34′, 38) entrained in an air flow (31) includes a vertically extending housing having a lower feed material inlet (18), an upper feed material outlet (	04/18/2006
6619484	Filter device The present invention relates to a filter device, especially for a fluidized bed system and particularly for use in the pharmaceutical industry, for separating particles larger than a separating grain from an amount of particles in a fluid flow. The filte...	09/16/2003
6595368	Pre-separator for inlets of cascade impactors A pre-separator for separating out large particles from a fluid flow has a housing forming an interior chamber with an inlet and an outlet, and a separator plate in the chamber between the inlet and outlet. The separator plate has a surface facing the inl...	07/22/2003
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 1,200-10,000 rpm. A plurality of screens having a mesh of ...	04/04/2000
5934476	Vacuum rotary filtration apparatus A rotor assembly includes a shaft and a plurality of radially outwardly extending vanes surrounded by a circular cylinder. A truncated conical segment screen is in each compartment formed by the vanes dividing each compartment into inner and outer subcomp...	08/10/1999
5845782	Separator for removing fine particulates from an air stream The invention provides a separator for removing small particulates from an air stream, the separator includes pneumatic separator with a relatively small filter element built inside the separator to remove particulates from the air stream down to as small...	12/08/1998
5735403	Apparatus for removal of fine particles in material flow system A particle separator for use in a material flow system having an airflow generator to generate a flow of air to provide supply material having coarse and fine particulate material to the particle separator. The particle separator includes a housing having...	04/07/1998
5695069	Fluorescent lamp collection and separation method and apparatus A mobile vehicle containing fluorescent lamp separation apparatus is transported to the site of a facility which uses fluorescent lamps and collects used lamps for processing. The lamps are loaded into a bin in the vehicle, the bin is closed to enclose th...	12/09/1997
5513805	Fiber separation method and apparatus An apparatus and method for reaching a 99% separation of bast and core fibers from herbaceous fiber producing plants using a series of pre-separation cleaning and conditioning steps which place the bast and core fibers in a better condition for separation...	05/07/1996
5407079	Method and apparatus for separating heavy particles from particulate material A dry washer for separating small high density particles such as gold from a mixture of high and low density material. A rotatable impeller in a cylindrical chamber draws in air and mixed particles, such as sand, and fractures the larger particles. The mi...	04/18/1995
5316150	Fiber separation process A method for separating the long outer bast fibers from the short woody inner core fibers of herbaceous fiber producing plants which includes the steps of requiring that such plants harvested at a certain cut length are processed through a first and secon...	05/31/1994
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 discharge 8 for the housing and a fines discharge 19 for the housin...	02/23/1993
5106488	Device for separating particles from flowing medium The present invention relates to a device for separating particles from flowing medium, whereby separation of coarse particles occurs in a cyclone member (4) and separation of fine particles in a filter device (10) inside the cyclone member. For providing...	04/21/1992
5091077	Trommel material air classifier A waste material classifier apparatus which employs a rotary trommel for stirring up the waste material in an air stream so that the conglomeration of waste is easily sorted into dirt and small particles easily sifted through the trommel pores, with air s...	02/25/1992
4824559	Rotary air separator A rotary air separator having a manifold with a side opening and an end opening. A cylindrical screen rotates around the manifold over the side opening and the end opening is connected to a vacuum source. Vanes in the manifold segregate the side opening i...	04/25/1989
4737269	Catalyst loading hopper A catalyst loading hopper suitable for positioning in vertical position above a reactor vessel, having an inlet at its upper end, a catalyst outlet at its lower end and a diagonally-disposed baffle extending downwardly across the hopper but terminating sh...	04/12/1988
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. The apparatus (10) comprises a support (12) including a f...	07/07/1987
4615767	Process for removing ink-bearing fines from dry-deinked secondary fiber sources A method of deinking comprises: (a) mechanically fiberizing a secondary fiber source in a substantially dry state, preferably air dry, thereby producing a fibrous material consisting of substantially discrete fibers and ink-bearing fines: (b) depositing t...	10/07/1986
4418871	Method and apparatus for reducing and classifying mineral crystalline and brittle noncrystalline material A rapid reduction apparatus and method includes a reduction and classification apparatus (20) having a reducing unit (22) composed of a contraction cone (28) for receiving the material to be processed. The contraction cone (28) is connected to an expansio...	12/06/1983
4382857	Method and apparatus for extracting fiber product Self-cleaning separator apparatus is used in combination with a vertical settling chamber for extracting fiber product from a moving air stream. The separator apparatus includes a housing forming an air stream inlet, a product discharge outlet and a clean...	05/10/1983
4377401	Rotary filter for fiber product Method and filter apparatus for extracting entrained lint particles from an effluent air stream prior to discharge into the atmosphere. The filter apparatus and method are used in combination with a vertical settling chamber for separating relatively dens...	03/22/1983
4269701	Cyclone separator for the removal of heavy particles and dust particles from fibre material A cyclone separator for separating heavy particles and dust particles from fibre material. The separator includes a cyclone housing (2), an inlet tube (9) that opens substantially tangentially into the housing (2), an overflow pipe (6) for the removal of ...	05/26/1981

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Class 209/23 - With deposition