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Class 55/341.1 - MULTIPLE BAG TYPE FILTERS IN CHAMBER


Subclass of Class 55 - Gas separation
Definition: Apparatus having a plurality of bag type filters (with fluid
No. of patents: 249
Last issue date: 01/17/2012


1              
NumberTitleIssue Date
8097052Hopper flow smoothing method and device
A filtration system for a particulate-laden stream of gas utilizes a group of fabric bags within the upper chamber of a housing as the means by which particulate matter is filtered out of the gas. The gas inlet into a lower chamber of the housing is provided with an...
01/17/2012
7985270Fluid bed dryer filters
A fluidised bed filter comprises a drying pan, and a filter assembly having a membrane over the pan, and a plurality of openings in the membrane. A filter bag is secured to each aperture by means of a clamping ring attached to the rim of the respective aperture, and...
07/26/2011
7927392Twist and lock connection for pleated filter element with flange-to-flange locking means
A baghouse and filter assembly are provided for at least partially removing particulate matter from a gas stream. The filter assembly includes first and second filter portions to be coupled together by a coupler for establishing fluid communication between the first...
04/19/2011
7905935Twist and lock connection for pleated filter element
A baghouse and filter assembly are provided for at least partially removing particulate matter from a gas stream. The filter assembly includes a first filter portion to be supported within the baghouse adjacent to an opening defined by a tube sheet, a first generall...
03/15/2011
7632325Filter assembly
A filter assembly for use in a baghouse. The baghouse has a tube sheet with a plurality of openings. The filter assembly includes a first filter element including a mounting structure at a first axial end to attach the first filter element to the tube sheet adjacent...
12/15/2009
7389797Air header/manifold for a dust collector
Air header/manifolds for industrial air filters, sometimes referred to as bag houses, are formed by extrusion and provided with flat mounting and sealing surfaces for accommodating staggered and offset rows of valves secured to the mounting surface and provided with...
06/24/2008
7371267Wire filter cage
An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second wid...
05/13/2008
7357831Method and apparatus for controlling humidity and mold
An apparatus for reducing a relative humidity of air inside an enclosed space includes a portable outside air heat exchanger unit having a fan operative to create an air stream by drawing outside air from an intake and discharging the air stream through an outlet in...
04/15/2008
7354470Multiple retainer bridge
A multiple retainer bridge device is provided for securing a utility member (e.g., a magnet or bracket) to posts on a housing member (e.g., a filter housing). When assembled, the utility member is staked onto the posts. A single retainer member prevents the utility ...
04/08/2008
7341616Apparatus and method for the removal of particulate matter in a filtration system
A particulate filtration system for removing particulates suspended in a fluid include, in an exemplary embodiment, a filter element and a pre-collector body component operably connected to the filter element. The pre-collector body component is capable of receiving...
03/11/2008
7338544Z-filter media with reverse-flow cleaning systems and methods
A method for cleaning a filter having Z-media includes providing a filter having Z-media and cleaning the media construction by directing a pulse of compressed gas into the media construction through the downstream flow face. Filter elements useable with such method...
03/04/2008
7329296Filter bag and a filter device provided with such filter bag
A filter bag (1) for a filter device includes a tubular, flexible, air-penetrable filter body (6) provided with a suspension arrangement at an unfolded end thereof. The suspension arrangement includes a rigid ring element (7) with outwardly prot...
02/12/2008
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
7309366Bag cleaning compressed air nozzle
A process and apparatus for cleaning filter cake from the interior of a baghouse bag. A nozzle through which compressed gas flows is positioned on the interior of a bag such that gas is directed to, and thereby disrupts, the filter cake. The compressed gas flows in ...
12/18/2007
7309369Filter module
The invention relates to a filter module in the form of a hollow body with at least one chamber. The walls of the hollow body are made of a non-metallic material that can be comminuted and/or disintegrated in a recycling process. The material is a paper product, suc...
12/18/2007
7300481Method and device for cleaning filters for dust-laden waste gases
The invention relates to a method for cleaning filters for dust-laden waste gases, including several filter elements (2) which are arranged vertically in a filter housing (1) and which have an upper open end (16) and a lower closed end (15
11/27/2007
7294163Cartridge filter
A cartridge filter has a unitary upper fitting and a separate gasket which permits a single base filter to be used with a wide range of tube sheet openings, simply by selecting the appropriate gasket. In one embodiment, the gasket is bonded to the unitary upper fitt...
11/13/2007
7282077Air cleaner assembly
An air cleaner that includes a first housing portion having a non-circular attachment fit. A second housing portion is attached to the first housing portion to define a filter space. A filter element includes a non-circular filter aperture that defines a perimeter t...
10/16/2007
7238223Acoustical stimulation of vapor diffusion system and method
An apparatus for removing constituents from a fluid stream is provided. The apparatus includes a duct, a collection device, a sorbent injector, and an acoustic generator. The duct has a fluid passageway to receive a fluid stream having constituents. The collection d...
07/03/2007
7208025Method and apparatus for filtering air passages in an alternator
A filter to clean the air entering an alternator in a vehicle used in a dirty environment such as a crop harvesting machine includes a mesh filter which is coupled to an air intake of the alternator. The filter is constructed of a mesh material which is flexible and...
04/24/2007
7186284Filter mounting system
A filter mounting system for use in a baghouse having a tubesheet with a plurality of openings. The filter mounting system includes filter media and a tubular mounting collar attached to the filter media to mount the filter media relative to the tubesheet. The filte...
03/06/2007
7182799Filter assembly comprising filter elements and a filter grid
A filter assembly having a plurality, preferably at least substantially vertically mounted, longitudinal elongated filter elements that are suitable for separating fluid from solid particles, having an open upper end sealed into a sealing device and a closed bottom ...
02/27/2007
7182803Solids multi-clone separator
A cyclone separator includes a body having a side entry fluid inlet, a first outlet and a second outlet both aligned substantially transverse to the fluid inlet, and has the first and second outlets opposing each other. A cyclone tube assembly is positioned within t...
02/27/2007
7156889Assembly for removing dust from gas stream
A dust collection assembly includes a primary collection assembly and a secondary collection assembly and may be connected to a source of gas having dust entrained therein. The primary collection assembly includes a primary duct having an inlet end and an outlet end...
01/02/2007
7097681Structure of filtering bag combination
An improved filtering bag combination having an increased area of filtering and a longer life of use. The improved structure includes a filtering member with multiple folds to cover a support formed of a plurality of rods. The rods of the support have a plurality of...
08/29/2006
7094265Cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter
A cleaning device for a bundle of tubular filter elements designed with one end open, preferably of an industrial dust filter, is proposed. Injectors for delivery of a pulse-like compressed-air jet into the filter elements are arranged above the openings of the filt...
08/22/2006
7090711Multistage air cleaner including pulse cleaning system
A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has...
08/15/2006
7087710Polymeric surfactants derived from cyclic monomers having pendant fluorinated carbon groups
A fluorine containing polymer which acts as a wetting, flow or leveling agent, and has at least one polar group. The polymer has at least one pendant or ether side chain containing from about 1 to about 20 carbon atoms with at least 25% of the hydrogen atoms being r...
08/08/2006
7074261Airborne particle removal system
An airborne particle removal system includes a vacuum assembly to introduce a flow of air into a housing. A cyclone dust collector is positioned in the housing downstream of the vacuum assembly with respect to the flow of air through the housing. A plurality of filt...
07/11/2006
7066974Device in ventilation ducts provided with adjustable filter means
The invention relates to an arrangement of ventilation plants including ducts in which bag filters or similar bag-shaped filters (4) made of filter gauze are mounted. For individual adjustment of the air throughflow capacity of the filters the effective lengt...
06/27/2006
7052532High temperature nanofilter, system and method
A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro...
05/30/2006
7008467Air cleaner and method of filtering
A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes a z-filter media, arranged in a straight through configuration, ...
03/07/2006
6979359Portable filter unit and methods for using same
Portable, rapidly deployable filter unit for use in air filtering methods providing high efficiency filtration of airborne toxins. The filter unit includes a fan section and a filter section that are releasably attachable at their respective lateral ends permitting ...
12/27/2005
6966940Air filter cartridge
A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes z-filter media, arranged in a straight through configuration, an...
11/22/2005
6932850Pleated filter and a method for making the same
A filter may comprise a plurality of pleats, at least one pleat including a pair of pleat legs and pleat tip region. In some embodiments, a thickness of pleat tip region at a point spaced about one to four pleat leg thicknesses from the end of the pleat tip region m...
08/23/2005
6932857Multi-stage collector and method of operation
A multi-stage collector of the type used to collect particles from industrial gas. The collector can contain multiple narrow and wide zones formed by a plurality of parallel corrugated plates. Contained in the narrow zones can be elongated electrodes with sharp lead...
08/23/2005
6929670Sand separating apparatus for a thermal sand removal oven
An apparatus for the separation of sand from an air stream in a thermal sand removal oven is disclosed. The preferred embodiment of the apparatus comprises a plurality of members comprising two planar members joined to form “V” shaped members. The vertex of the ...
08/16/2005
6905533Filtering and inerting of combustible dusts in the process off-gas
A method for avoiding the spontaneous ignition of combustible dusts in process off-gases, wherein during the process the dusts are retained, without adversely affecting the process parameters, at least one sintered filter element which is arranged in a pressure vess...
06/14/2005
6905529Wire Filter cage
An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second wid...
06/14/2005
6905534Method and apparatus for removing vapor phase contaminants from a flue gas stream
The present invention provides a method and apparatus for removing trace contaminants from a gas stream or flue gas. In one embodiment, the present invention an apparatus for removing a trace contaminant from a gas stream, comprising a gas duct configured to receive...
06/14/2005
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