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| Number | Title | Issue Date |
| 8157878 | Air distribution arrangement for a dust collector system A dust collector system including a plurality of air filters that are at least partially self-cleaning via a pulsed air system. The dust collector system presents a self-aligning, tool-free assembly for providing the pulsed air. The pulsed air system includes an air... | 04/17/2012 |
| 8118900 | Dust collector and methods A dust collector includes a housing with a tubesheet and at least one filter element. A reverse pulse cleaning arrangement is provided to periodically emit gas pulses into a downstream flow face of the filter element. The reverse pulse cleaning arrangement includes ... | 02/21/2012 |
| 8075648 | Nozzle arrangements and method for cleaning filter elements A method of cleaning a filter element includes directing a jet of pressurized gas from a nozzle onto a filter element, with the jet having a non-round cross-sectional shape that is a same general cross-sectional shape as the opening in a tube sheet holding the filte... | 12/13/2011 |
| 8062396 | Apparatus for collecting dust and a pleated-type filter therefor The purpose of this invention is to provide a pleated-type filter used for an apparatus for collecting dust that is optimally designed and to provide the apparatus for collecting dust using the filter, wherein the pleated-type filter can keep the resistance to its v... | 11/22/2011 |
| 8057563 | Filter apparatus configuration of pulsed cleaned panel-style filters and methods An air cleaner includes a housing with a dirty air inlet, a clean air outlet, and an interior. A tubesheet is in the housing interior having a plurality of openings. A panel-style filter arrangement is oriented such that each one of the openings in the tubesheet is ... | 11/15/2011 |
| 8034139 | Cartridge element for a dust collector A dust collector using a cartridge element, downsized, capable of effectively performing brushing away, and simple in structure and handling. The cartridge element has a flat plate shape as a whole, and is constituted of a flat filter (1) made from a sheet-li... | 10/11/2011 |
| 7951215 | Filtering plant for removing dusts from gases A filtering plant for removing dusts from gases, with a plurality of filter units, which are parallel connected to a line for crude gas and the outlets thereof are parallel connected to a line for purified gas, wherein an extraction blowing engine is connected to th... | 05/31/2011 |
| 7918908 | Dust collector with equalized cleaning performance A particulate filtration device comprising filter media having upstream and downstream surfaces, a gas-moving device for moving gas through the filter media from the upstream surface toward the downstream surface, and a cleaning assembly including a blow pipe having... | 04/05/2011 |
| 7867304 | Method for cleaning the filters of a vacuum cleaner and vacuum cleaner for carrying out said method The invention relates to a method for cleaning the filter of a vacuum cleaner which has a dirt collecting container with a suction inlet, to which a suction tube is connected, the dirt collecting container being connected to at least one suction unit via at least on... | 01/11/2011 |
| 7867305 | Bag-filter type small deodorizing and dust collecting apparatus The bag-filter type small deodorizing and dust collecting apparatus including a feed pipe feeding deodorizing powder, a rotary valve discharging the deodorizing powder by a fixed amount, and a reflux pipe for refluxing the deodorizing powder from the rotary valve A ... | 01/11/2011 |
| 7806948 | Filter system for internal combustion engines operated in a contaminated atmosphere A filter system for ambient air to remove airborne particulates in air that is to be used for engine operation. A filter media that is pervious to air and impervious to the particulates may be coupled to a filtered air chamber, which in turn may supply filtered air ... | 10/05/2010 |
| 7585343 | Filter cleaning system and method A cleaning system for a gas turbine inlet filter mounted to a tubesheet. The filter defines an upstream side at which particulates are separated from a fluid stream passing through the filter and a downstream side substantially free of the particulates. The cleaning... | 09/08/2009 |
| 7563295 | Filter having inlet portion with diffuser elements A filter including a filter housing with an essentially horizontal partition wall that divides the filter housing into a clean-air chamber and a dust chamber. The partition wall is provided with a number of apertures in which a number of filter bags are provided tha... | 07/21/2009 |
| 7534278 | Granulator device for the treatment of powdered products A granulator device (101) for the treatment of powdered products comprises a closed container (102) forming a chamber (103) for treatment of the products, filter elements (104, 105) projecting into the treatment chamber (103), the ... | 05/19/2009 |
| 7517376 | Reverse pulse cleaning of filter elements An air supply system and valve is disclosed which provides a reverse pulse of air for cleaning a filter element located in a filter house. A valve is also disclosed for use in the air supply system. The system includes a pressure vessel adapted to contain a volume o... | 04/14/2009 |
| 7485163 | Nozzle and filter-type dust collector There are provided a nozzle capable of enhancing the straight-advancing capability of jetted fluid to increase the back wash effect of a filter member, and a filter-type dust collector capable of effectively carrying out dust removal from a filter member with such a... | 02/03/2009 |
| 7479170 | Modular up-draft pressure pulse bag house A bag house air filtration system with minimal recirculation uses new inlet airflow patterns and cleaning processes. Inlet air enters the bag house. An input plenum changes the velocity profile. Dirty inlet air is split into two plenums, and then passed through guid... | 01/20/2009 |
| 7468082 | Self cleaning gas filtering system and method A self cleaning gas filtration system for filtering contaminants from a flow of gas. A filter element is disposed within a housing and configured to receive a first flow of gas from an inlet in the housing. A pressurized gas source is fluidly coupled to at least one... | 12/23/2008 |
| 7438735 | Filter apparatus with automatic cleaning A filter apparatus includes a gas-impermeable outer conduit having an open end and a closed end. The interior of the outer conduit is axially divided into first and second sides. A first clean and first dirty flow path are defined within the first side. A first gas-... | 10/21/2008 |
| 7422626 | Method and device for declogging filter A method of declogging at least one filter of a plant for manufacturing uranium oxide from uranium hexafluoride, including separating, from the wall of the filter, uranium oxyfluoride particles deposited, by a stream of inert gas such as nitrogen, injected into the ... | 09/09/2008 |
| 7410529 | Filter service system and method According to an exemplary embodiment of the present disclosure, a system for removing matter from a filtering device of a work machine includes a gas pressurization assembly. An element of the gas pressurization assembly is removably attachable to a first orifice of... | 08/12/2008 |
| 7410530 | Apparatus for cleaning exhaust aftertreatment devices and methods The present disclosure relates to a pulse cleaner for cleaning a diesel exhaust treatment device. The pulse cleaner includes a cabinet, a diesel exhaust treatment device mount positioned within the cabinet for mounting the diesel exhaust treatment device during puls... | 08/12/2008 |
| 7410521 | Filter service system and method A system for removing matter from a filtering device includes a flow receiving device having a plurality of blocking portions. Each of the plurality of blocking portions is configured to substantially block a flow directed by a corresponding at least one of a plural... | 08/12/2008 |
| 7402189 | Autonomously-cleaned conditioning system An autonomously-cleaned conditioning system conducts a routine purge cycle to clear accumulated particulates from a filter, concentrator, or both. The purge cycle is conducted by reversing air flow through the filter and/or concentrator. Air flow is reversed on a pe... | 07/22/2008 |
| 7393387 | Particle filter cleaning apparatus The invention is an apparatus for cleaning one or more cylindrical filters. An enclosure contains the entire apparatus in which each filter is supported on its own pair of rotating horizontal rollers. An assembly of air nozzles adjacent to a first end of each rotati... | 07/01/2008 |
| 7384455 | Filter service system and method According to an exemplary embodiment of the present disclosure, a method of detecting matter within a filtering device includes measuring a metric indicative of a first quantity of matter within the filtering device and removing a portion of the matter from the filt... | 06/10/2008 |
| 7371266 | Apparatus for cleaning a diesel particulate filter with multiple filtration stages The present invention is directed to a filter cleaning device, in particular, diesel particulate filters. In one embodiment, the device includes a source of high pressure fluid and a mechanism transport the fluid to a nozzle or nozzles; an actuator for moving the no... | 05/13/2008 |
| 7357829 | Diesel particulate filter cleaning device and method Multiple storage tanks and multiple valves that open simultaneously allow gas charges stored at superatmospheric pressure in the tanks to simultaneously discharge and form a single substantial percussion pulse that dislodges particulate matter from a diesel particul... | 04/15/2008 |
| 7354469 | Vacuum conveyor device with a multi-stage filter system A Vacuum conveyor device (10) with a multi-stage filter system, has at least one inner filter (10A), one outer filter (10B), and one filter adapter (20) especially for air-tight and/or fluid-tight insertion of at least one of the filters,... | 04/08/2008 |
| 7354474 | Dry dust filter for using in operations endangered by gases The invention related to dust filters (1) which are especially used in operations endangered by gases and comprise filter elements (10) rendered antistatic by means of derivative constituents such as carbon fibres, salts or special steel fibres (26,... | 04/08/2008 |
| 7351273 | Apparatus and method for separating dust constituents out of an explosive dust-air mixture A method and an apparatus (10) for separating dust constituents out of an explosive dust-air mixture which is passed through a filter housing (26) with filter elements having filter surfaces use a dust container (64), which can be connected in a... | 04/01/2008 |
| 7347333 | Ultra clean air separator system A system and process for separating high and low density materials by air flow. Mixed solid material is delivered into an entrance of a cascade separation chamber where it is allowed to free fall and tumble over inclined surfaces. A fan forces air through a “close... | 03/25/2008 |
| 7338544 | Z-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 |
| 7337683 | Insitu inertial particulate separation system A sampling system for separating gaseous samples from a gas stream containing particulate matter and transporting the gaseous samples to a location outside of the flowing gas stream comprises an inertial filter mounted on the end of a hollow probe, the inertial filt... | 03/04/2008 |
| 7326265 | Method for cleaning the upstream surface of a particulate filter The invention concerns a method for cleaning the upstream surface (14) of a particulate filter (10) of a heat engine exhaust line, the filter (20) being arranged in a casing (12) having an outlet (22) for exhaust gases. The method ... | 02/05/2008 |
| 7323022 | Vacuuming machine The subject invention pertains to a vacuuming machine with a primary chamber in which vacuum pressure within allows the ingress of debris through a hose. Air and debris entering the primary chamber decelerate upon entry into the chamber which allows debris to settle... | 01/29/2008 |
| 7320717 | Industrial scale honeycomb type dust collector A dust collecting filter such as a honeycomb-type industrial filter for the industrial filtering of gas containing solid particles is provided. The filter includes a plurality of collateral inlet and outlet channels separated by shared filtering boundaries. The inle... | 01/22/2008 |
| 7314066 | Air distributor for a bioleaching system An air distributor for use in heap or dump leaching systems is disclosed. The air distributor includes an air pipe having a series of holes for releasing air from the pipe and one or more protective members spaced outwardly of the air holes to shield the air holes. | 01/01/2008 |
| 7309366 | Bag 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 |
| 7300481 | Method 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 |
