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Class 406/172 - And means to clean filter


Subclass of Class 406 - Conveyors: fluid current
Definition: Subject matter wherein means are provided to remove load
No. of patents: 33
Last issue date: 08/05/2008


NumberTitleIssue Date
7407346Methods and apparatus for air conveyor dust emission control
A collector assembly is configured to vent dust-laden air through at least one filter in one direction using pressure in an air conveyor, whereby dust collects on one side of the filter or filters. The collector assembly is further configured to pulse compressed air...
08/05/2008
7316721Ceramic foam insulator with thermal expansion joint
A canister for maintaining entrained particles in a gas stream passing there through. The canister has an outer annular member and an inner porous annular member. The inner porous annular member has rings with at least one expansion zone in each ring. An annular int...
01/08/2008
7264422Rotary separator for mineral fibers
A method and apparatus for collecting and forming loose fill fiber material from an air stream includes introducing a combined fiber and air stream onto a surface of a rotatable drum. The rotatable drum allows the air to flow through the surface of the drum while co...
09/04/2007
7166164Vehicle powder coating system
An apparatus for applying powder coating material onto large objects such as automotive, truck or other vehicle bodies includes a powder spray booth defining a controlled area within which to apply powder coating material onto the vehicle bodies, a powder kitchen lo...
01/23/2007
7156332Product containment apparatus
Self contained filter backpurge systems useful for totally enclosed processing mills and for clean in place (CIP) processing material processing mills. ...
01/02/2007
6364579Apparatus for separating suspended fibrous material
An apparatus for separating fibrous material such as wool, wood, paper, cellulose, rockwool, fiberglass, etc., which is conveyed by and suspended in air. The separator can be used with pneumatic vacuum systems and pneumatic pressure conveying systems for ...
04/02/2002
6325572Process and device for pneumatically conveying powdery substances and their use
A device for the pneumatic conveyance of particulate substance having a specific gravity of 0.1 to 15.0 g/cm2 and a particle size of between 0.1 to 300 μm includes a flat plate like filter element between a pump chamber and sources of positive...
12/04/2001
6197080Apparatus for separating fiber material from an air stream
An apparatus for separating fiber tufts from a fiber tuft-laden conveying air stream includes a generally vertically oriented feed chute having an upper portion and a lower portion; an air-pervious screen disposed in the upper chute portion; an inlet chan...
03/06/2001
6089795Mobile apparatus for pneumatic conveyance of gravel or similar granular material
An apparatus for pneumatically conveying granular material such as gravel. The apparatus includes a vehicle base mounting plate, a prime mover such as a diesel engine, a hydraulically driven air blower, a hopper for receiving gravel to be conveyed, and a ...
07/18/2000
6068429Air conveying apparatus
An air conveying apparatus includes a housing that defines an inlet through which material, air and other gases enter the housing, a first compartment that communicates with the inlet, a second compartment, a plenum, a material outlet, and an air outlet. ...
05/30/2000
6039513Separator for air conveyed pellets
A separator for removing pellets from an air flow has a screen inclined to the path of the pellets and which deflects the pellets toward a pellet discharge member for subsequent delivery to a hot melt glue tank. The screen is detachably carried by an air ...
03/21/2000
5518343Dust-free powder substance delivery and filter system
A substance delivery and filter system for use in delivering or conveying a dry, fluid powder substance from a closed container to an open receptacle is provided. The delivery and filter system includes a filter housing having a heavy particle cyclone sep...
05/21/1996
5477953Filter and filter cleaning system for a reverse vending machine
A commodity densification and storage assembly has a housing having an insert port for receiving a commodity, such as aluminum cans, glass bottles, and PET bottles. The assembly further includes a device for densifying the commodity oriented downstream of...
12/26/1995
5163786Cyclone separator with filter assembly for pneumatic conveyor
A cyclone separator (20) for a pneumatic grain conveyor (10) includes a filter assembly (60) mounted in the upper end thereof. The filter assembly (60) includes a cylindrical casing (62) extending into the separator (20) with a screen (70) therein and an ...
11/17/1992
5139370Apparatus for the continuous disposal of waste materials generated by machines for textile products
An apparatus for the continuous disposal of waste materials generated by one or more textile machines is provided which functions without interrupting the working of the textile machines. The apparatus includes a main container of large capacity with an a...
08/18/1992
5033914High efficiency feeder apparatus for pneumatic conveying lines
An apparatus is disclosed for pneumatically conveying dry particulate material from a source to a destination by cyclically loading and unloading a transfer vessel. The loading stage is accomplishing by creating a vacuum pressure within the transfer vesse...
07/23/1991
4887936Cyclone separator with accelerator plate for pneumatic conveyor
A cyclone separator (20) for a pneumatic grain conveyor (10) includes a filter assembly (60) mounted in the upper end thereof. The filter assembly (60) includes a cylindrical casing (62) extending into the separator (20) with a screen (70) therein and an ...
12/19/1989
4844665Portable industrial filter system
A filter system that is portable and has no moving parts usable for industrial purposes to filter dry fluid substances such as Barite, Hemitite, cement and the like. Within a filter housing are a cyclone separator for removing heavier substance and a fine...
07/04/1989
4734110Method and apparatus for removing solids from pressurized process system
A method and apparatus for removing solid material from a process system pressurized by a process gas, especially process gases having a high content of solid material. The method operates cyclically. In a first cycle, the solid material is separated, via...
03/29/1988
4695205Pneumatic conveying system
A closed loop method and apparatus for unloading particulate materials from a transport container into a supply bin is disclosed. Material is conveyed from the discharge manifold of the transport container via vacuum into a transfer unit. The transfer uni...
09/22/1987
4668131Bulk material conveying system
A system for pneumatically conveying a quantity of fluent particulate material from one holding tank or storage vessel to another is disclosed. A mobile frame is employed upon which is disposed an engine for operating a hydraulic pump and a vacuum blower....
05/26/1987
4610283Checking and filling device for powder extinguishers
The invention relates to a checking and filling device for powder extinguishers, which is provided with a reversing device, a suction fan and a separator. Its separator has a filter for retaining the extinguishing powder sucked from a powder extinguisher....
09/09/1986
4482367Self-cleaning air filter system
A self-cleaning impingement type air filter unit is mounted on a flexible elastomeric support member comprising an end wall of a filter housing exposed to the pressure differential between the interior housing chamber and the ambient pressure of the clean...
11/13/1984
4411674Continuous clean bag filter apparatus and method
A continuously cleaned bag filter provides a second filter stage for removing dust from air discharged from a cyclone or other primary separator. The primary separator removes the majority of particulate matter from air delivered thereto. In the bag filte...
10/25/1983
4372713Bulk material receiver
The bulk material receiver and dispenser includes a hopper with a lower material outlet opening and an upper material and air inlet opening. The upper portion or "bonnet" of the hopper includes a pair of air passageways with a filter in each passageway, a...
02/08/1983
4351373System of apparatus for filling bags with dry powder
A system of apparatus for filling bags with dry powdered material and separating foreign matter therefrom includes a vacuum chamber for receiving a bag for filling with dry powder and a novel classifier for removing particulate foreign matter from the pow...
09/28/1982
4264238Apparatus for separating particles of tobacco or the like from a gaseous carrier medium
The discharge end of a supply conduit for a mixture of tobacco particles and air communicates with the top portion of a hollow cylindrical housing for a driven cell wheel whose cells are subdivided into inner and outer chambers by impermeable partitions. ...
04/28/1981
4247227Apparatus for the conveyance of dust-like or dust containing solids into a pressurized system by means of a pressurized lock chamber
Dust-like or dust containing solids are passed into a pressurized system via a lock chamber apparatus wherein a porous filter is provided separating the lock chamber into an upper space and into a lower space. Normally a pressurized gas is passed into the...
01/27/1981
4194859Self cleaning collector system
A self cleaning apparatus for use in separating material from air in a material-air conveyance system includes an outer housing and a perforated inner housing. A freely pivotable panel member is hingedly mounted on the outer housing, the panel normally be...
03/25/1980
4081110Flexible membrane discharge for vacuum hopper
A vacuum storage hopper for storing and dispensing granular materials, including a storage chamber having a lower inverted conical discharge section terminating in a discharge valve. At least one material inlet and a combination air inlet-outlet are conne...
03/28/1978
4043775Air lock filter system
There is disclosed an air lock filter system for separating solids from gases at temperatures up to about 1200° F. wherein the filter element is a rigid porous refractory tube in an air vent for a pressure vessel. The filter element is located so that ga...
08/23/1977
4005908Batch transfer system
A system for transferring a batch of particulate material from a storage area to a remote depository, including a storage vessel connected to a batching vessel, and a single pump providing both vacuum and pressure conditions for conveying the particulate ...
02/01/1977
3942561Apparatus for filling containers with difficultly-flowable material
Apparatus for filling containers with difficultly-flowable material, comprising a separator including a filter, a funnel-shaped outlet, and a dust-free butterfly valve for controlling flow of powder through said outlet; and a suction device for conveying ...
03/09/1976
 
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