| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 095268000 | And filtering | 33 |
| 20080216654 | Fluted filter media - Fluted filter media includes filter material having a plurality of flutes formed therein having alternating ends of adjacent flutes closed to force fluid through filter material. A first embodiment of the filter media includes tapered flutes which have the open ends of the flutes larger in cross-section than the closed flutes, wherein the upstream open flutes converge toward the downstream end and the upstream closed end flutes diverge toward the downstream end. A second embodiment includes filter media which is asymmetric formed with dissimilar upstream and downstream flute cross-sections with larger flute openings to the upstream side of the filter. A third embodiment includes filter media with an upstream edge crushed to improve flow at the upstream edge. A fourth embodiment includes filter media with the upstream sealing material recessed from the upstream edge for reducing effects from blockages at the upstream edge of the filter. | 09-11-2008 |
| 20090020011 | Airflow Reducing and Redirecting Arrangement For Industrial Baghouse - An air filtering unit for a factory includes: an entry duct; a flow expander section fluidly connected with the entry duct, the flow expander section including a flow distribution unit and a flow velocity reduction unit; a filter unit fluidly connected with the flow expander section, the filter unit having a plurality of filter bags, the filter bags being suspended from a tube sheet; and an exit duct fluidly connected with the filter unit. The flow distribution unit comprises a series of flow distribution members positioned along a flow path, the flow distribution unit located and configured to substantially equally distribute an airstream along the length of the flow axis into a plurality of divided substreams. The flow velocity reduction unit includes a plurality of flow reduction members, each of the flow reduction members positioned and configured to confront at least one of the divided substreams and reduce the flow velocity thereof. | 01-22-2009 |
| 20090056545 | HOPPER 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 inlet guide that directs the incoming gas against the lower side of a porous diffuser located below the group of bags and spanning at least most of the separation zone defined by the bags. Passages through the diffuser are configured to present an array of nozzles so that the gas is subjected to a pressure drop across the diffuser before flowing to the bags. The nozzle effect causes the particulate-laden gas to spread out evenly on the lower, upstream side of the diffuser and pass through the diffuser at substantially equal velocity at all passages, thereby smoothing the flow and distributing it evenly to all bags. | 03-05-2009 |
| 20090095156 | SEPARATOR DEVICE AND METHOD FOR SEPARATING PARTICLES CONTAINED IN AN AIR STREAM - A separator device ( | 04-16-2009 |
| 20090139403 | WATER REMOVAL DOWNSTREAM OF A TURBINE - A rigid or semi-rigid demister pad is positioned between an air turbine and an inertial water removal device such as extractor in an air conditioning system for an aircraft. The demister pad comprises packed fibers or strands whose diameter typically ranges from approximately 10 or fewer microns to approximately 280 microns. The demister is capable of catching very small droplets discharged from the air turbine that coalesce into larger droplets that exit the demister pad and enter an adjacent water removal device downstream from the pad to separate the larger water droplets from the stream of air. This avoids using a water separator containing a coalescer bag that requires frequent maintenance and is sensitive to dirt and freezing. The demister can operate at freezing temperature, is not dirt-sensitive and requires no maintenance. | 06-04-2009 |
| 20090308250 | Cyclonic Air Cleaner - An air cleaner device for filtering intake air including a housing defining a chamber, a filter element disposed within the chamber, and a duct element having a passageway in fluid communication with the chamber. Further, the duct element extends along-and downwardly from about a portion of the housing and further includes an inlet for drawing intake air into the chamber. The air cleaner having a base member in fluid communication with the chamber and an outlet, where the air drawn into the chamber is filtered by first and second filtering operations to obtain filtered air, with the first and the second filtering operations accomplished at least in part due to a cyclonic motion of the air and passage of the air through the filter element, respectively; and where the filtered air from the chamber of the housing is released through the outlet in the base member. | 12-17-2009 |
| 20100083833 | Cyclonic Vacuum Cleaner Ribbed Cyclone Shroud - A vacuum cleaner cyclone separator having a cyclone chamber with an air inlet and an air outlet. The cyclone chamber directs an airflow into a cyclonic pattern to remove a first amount of debris from the airflow. A filter shroud is located within the cyclone chamber and separates the air inlet from the air outlet. The filter shroud includes an air-pervious filter surface adapted to allow the airflow to pass from the air inlet to the air outlet and remove a second amount of debris from the airflow. One or more protrusions are associated with the filter surface, and configured and dimensioned to direct at least a portion of the airflow passing generally parallel to the filter surface away from the filter surface before passing through the filter surface. A dirt collection assembly having a cyclone separator and a method for using a cyclone separator are also disclosed. | 04-08-2010 |
| 20100083834 | Particulate removal from gas streams - Fine, solid particles in a gas stream, especially fly ash particles in the hot gas stream from a coal/coke-utilizing synthesis gas unit, are agglomerated by passage through a gas flow matrix element having a body with confined gas flow channels which bring the particles into close proximity to one another in an environment of low turbulence; a rough surface on the gas flow passages provides surface induction to promote agglomeration of the particles. The larger, agglomerated particles may then be removed from the gas stream by inertial separators such as cyclones. | 04-08-2010 |
| 20100126350 | FILTER APPARATUS AND METHOD - Disclosed herein is a filter apparatus comprising a fluid inlet for a fluid to be filtered in the apparatus; a first fluid outlet for fluid that has been filtered; and one or more barrier filters arranged between the fluid inlet and the first fluid outlet for filtering material from the fluid. In use, the fluid to be filtered is directed from the fluid inlet so as to promote a continuous erosion of material built up on the barrier filter(s). Also disclosed is a method of filtering particles from a particle laden fluid. | 05-27-2010 |
| 20110067569 | Apparatus and Method for Separating Materials Using Air - Separating a mixture comprising at least two solid materials comprises transporting the mixture into a plenum, introducing air into the plenum, removing a heavier fraction of the solid materials from the plenum, removing air having a lighter fraction of the solid materials entrained therein from the plenum, removing the lighter fraction of the solid materials from the air that is removed from the plenum, filtering the remaining air, and re-circulating the air back to the plenum. Valves at the locations where material is introduced to and removed from the system can prevent air flow therethrough while allowing the materials to pass. The air can be introduced into the plenum at an angle with respect to the pathway in which the heavier fraction of the materials falls through the plenum, thereby avoiding damage to a screen that diffuses the air being introduced into the plenum. | 03-24-2011 |
| 20110203457 | Filtration Device for use with a Fuel Vapor Recovery System - A filtration device | 08-25-2011 |
| 20110209615 | APPARATUS AND METHOD FOR TREATING EXHAUST GAS - Presented is a method and apparatus for treating an exhaust gas. A series of filters and conditioning units are used to separate and extract various substances from the exhaust gas, typically originating from an industrial process. In an exemplary embodiment, a cyclone filter, a ceramic filter, a baghouse filter, and a pair of gas conditioners are used to initially separate and extract iron-rich dust from an exhaust gas and then extract zinc from the gas. | 09-01-2011 |
| 20120012003 | VESSEL FOR REMOVING SOLID PARTICLES FROM GASES - The invention is directed to a vessel for separating solid particles from a gas containing solid particles, said vessel comprising a plate provided with openings across the vessel such that the plate divides the vessel in a first and second space, a number of filter elements extending from the openings into the first space, a vessel opening for receiving the gas containing solid particles, fluidly connected to the first space, an vessel outlet opening for discharge of solids, fluidly connected to the first space and a vessel outlet opening for gas, fluidly connected to the second space. The first space further comprises one or more cyclone separation devices having an inlet fluidly connected to the vessel opening for receiving the gas containing solid particles, a cyclone gas outlet fluidly connected to the first space and a solids cyclone outlet. | 01-19-2012 |
| 20120132075 | MIST ELIMINATOR, MOISTURE REMOVAL SYSTEM, AND METHOD OF REMOVING WATER PARTICLES FROM INLET AIR - A mist eliminator including a substrate and a plurality of frusto-conical shaped protrusions disposed on the substrate is provided. The plurality of frusto-conical shaped protrusions have a geometry and are positioned at intervals that provide coalescence and retention of water particles from moisture containing air contacting the substrate and frusto-conical shaped protrusions. A moisture removal system and a method for removing water particles from inlet air with the mist eliminator are also disclosed. | 05-31-2012 |
| 20120145003 | ENERGY RECUPERATING FILTRATION APPARATUS - A filtration apparatus comprises a casing defining an inner cavity with an upper cylindrical portion and a lower hopper portion. An inlet feeds gas and solids into the inner cavity and causes movement of the solids in a downward spiral path in the casing. A solids outlet at a bottom of the lower hopper portion outlets the solids from the casing. A gas outlet exhausts gases from the casing. An annular arrangement of ports in a wall of the casing injects an other gas in the inner cavity. The ports are oriented to guide the other gas into following a partially vertical path into the inner cavity to disrupt the movement of the solids in the downward spiral path to allow a capture of the solid particles by the capturing solids. A gas source is connected to the arrangement of ports. | 06-14-2012 |
| 20120204721 | SYSTEM FOR REDUCING HEAD SPACE IN A PRESSURE CYCLONE - A pressure cyclone is disclosed having a concave top head, wherein the concave top head has a substantially flat roof disposed in the interior of the cyclone vessel. An inlet is tangentially-coupled to the vessel and has an inlet nozzle disposed therein and configured to smoothly transition into the cyclone vessel to create a vortex that separates solid particulates from an incoming particulate-fluid suspension. In particular, the one surface of the inlet nozzle is tangent to the inner surface of cyclone vessel and another surface of the inlet nozzle is parallel and continuous with the substantially flat roof. An inlet casing is disposed around a length of the inlet nozzle and configured to transition from a circular casing to an elliptical casing along the length of the inlet nozzle, and couple to the vessel with the elliptical casing. | 08-16-2012 |
| 20120234168 | Cost-Effective Tunable Precleaner - An inertial separation air precleaner system includes a replaceable insert removably mounted to the precleaner and altering air flow velocity through the precleaner by changing flow area of the flowpath through the precleaner housing. The replaceable insert is replaceable with a different insert for the same precleaner housing, which different insert provides a different flow area through the precleaner housing, enabling a selectable precleaner efficiency vs. restriction trade-off as chosen by a user for a particular application, enabling tuning of precleaner performance by the user. | 09-20-2012 |
| 20130025454 | VERSATILE COMPACT AIR PRECLEANER, AIR CLEANING METHOD AND DISPOSABLE AIR FILTER CARTRIDGE FOR AIR PRECLEANER - A versatile compact air precleaner for separating heaver-than-air particulate debris from debris laden air has a retroflexed flow path through a separator chamber. A motor of a motor-driven fan is located in the flow path downstream from the separator chamber. A plurality of independently rotatably adjustable housing sections of a housing are formed with respective ones of the air precleaner debris laden air inlet, particulate debris ejector ports, clean air outlet, and mounts for mounting the air precleaner to a support to provide utility with multiple clean air outlet configurations, directions of ejection of particulate debris from the ejector ports, inlet configurations, precleaner sides for mounting, and filter sizes. A separator chamber end section including the ejector ports and the filter are connected forming a removable, disposable air filter cartridge which obviates ejector port clogging with change of filters. | 01-31-2013 |
| 20130068097 | ANTI-CLOGGING FILTER SYSTEM - An anti-clogging filter system for filtering a fluid containing large particles and small particles includes an enclosure with at least one individual elongated tubular filter element in the enclosure. The individual elongated tubular filter element has an internal passage, a closed end, an open end, and a filtering material in or on the individual elongated tubular filter element. The fluid travels through the open end of the elongated tubular element and through the internal passage and through the filtering material. An anti-clogging element is positioned on or adjacent the individual elongated tubular filter element and provides a fluid curtain that preferentially directs the larger particulates to one area of the filter material allowing the remainder of the filter material to remain more efficient. | 03-21-2013 |
| 20130160648 | WATER SEPARATOR HAVING A FILTER ASSEMBLY - A water separator reduces a water content of an air stream, which is used in an HVAC unit for a vehicle. The water separator includes a diverter wall and an adjacent wall spaced from the diverter wall to define an air passage. The diverter wall has a terminal end extending into the air passage for changing a direction of the air stream to reduce the water content of the air stream. A filter assembly is disposed through a receiving slot in the diverter wall and is within the air passage downstream of the terminal end. | 06-27-2013 |
| 20130312609 | APPARATUS AND METHODS FOR FILTRATION OF SOLID PARTICLES AND SEPARATION OF LIQUID DROPLETS AND LIQUID AEROSOLS FROM A GAS STREAM - An apparatus for filtration of solid particles and separation of liquid droplets and liquid aerosols from a gas stream for installation in a vessel comprises a cyclonic separator for coarse separation of solid particles and separation of liquid droplets and liquid aerosols from the gas stream. The cyclonic separator has one or more slots or perforations. A filter element for fine filtration from the gas stream has an inlet for receipt of the gas stream directly from a gas outlet of the cyclonic separator. A shroud partitions the one or more slots or perforations from a dry gas volume of the vessel. | 11-28-2013 |
| 20130319240 | DEOILER SEAL - An assembly includes a housing having a housing cavity, an inlet, and an outlet, a rotatable shaft positioned proximate the outlet, and a seal positioned at an interface of the rotatable shaft and the housing. The seal includes porous material adjacent the shaft and the housing and a shell substantially separating the porous material from the housing cavity. The shell includes an inlet that allows fluid flow from the housing cavity to the porous material and an outlet that allows fluid flow from the porous material to the housing interior. The inlet is positioned radially inward of the outlet. | 12-05-2013 |
| 20140096683 | FIBER BED ASSEMBLY INCLUDING A RE-ENTRAINMENT CONTROL DEVICE FOR A FIBER BED MIST ELIMINATOR - A fiber bed assembly used to remove aerosols and/or wetted soluble solids from a moving gas stream includes a fiber bed support and a fiber bed supported by the fiber bed support so that the gas stream passes through the fiber bed moving from an upstream space to a downstream space with respect to the fiber bed. A re-entrainment control device is located within a downstream space defined by the fiber bed so that at least a portion of the gas stream passes through the re-entrainment control device. The re-entrainment control device is shaped to change the direction of the average flow path of the gas stream as the gas stream passes through the re-entrainment control device so as to cause aerosols and/or wettable solids contained therein to be separated from the gas stream by inertial force. A re-entrainment control device and method of use are also disclosed. | 04-10-2014 |
| 20140130672 | PURIFICATION ARRANGEMENTS AND METHODS FOR GAS PIPELINE SYSTEMS - A purification arrangement for a gas pipeline system includes a pressure vessel and at least first and second purification assemblies in the interior of the pressure vessel. A gas flow may be established through the pressure vessel, and the gas may pass through the first purification assembly and the second purification assembly to remove liquid and/or solid particulates from the gas. At least one of the first and second purification assemblies includes a separator assembly having one or more separators which removes particulates and a shell mounted to one or more of the separators to collect and contain the removed particulates. | 05-15-2014 |
| 20140130673 | PURIFICATION ARRANGEMENTS AND METHODS FOR GAS PIPELINE SYSTEMS - A purification arrangement for a gas pipeline system includes a pressure vessel and at least a modular separator assembly and a modular filter assembly in the interior of the pressure vessel. A gas flow may be established through the pressure vessel, and the gas may pass through the modular separator and filter assemblies to remove liquid and/or solid particulates from the gas. | 05-15-2014 |
| 20140182454 | CYCLONE, CYCLONE MIST ELIMINATOR AND METHOD OF USE - A cyclone for a cyclone mist eliminator. The cyclone has an inner wall enclosing an inner chamber having an inlet end and an opposed outlet end, an outer wall surrounding and spaced outwardly from the inner wall to create an outer chamber in a spacing between the inner wall and the outer wall, openings foamed in the inner wall to permit fluid in the inner chamber to pass through the openings and into the outer chamber, a swirler positioned at the inlet end of the inner chamber, and a fiber pad positioned in the outer chamber. | 07-03-2014 |
| 20140202333 | Three-Phase Separation System for Drilling Fluids and Drill Cuttings - Systems and methods to improve the separation of drill cuttings from drilling fluids using cyclone devices are described. Specifically, a system for separating three phases of a gas/liquid/solid mixture is described. The system includes a cyclone for separating the gas/liquid/solid mixture into a solids component and a gas/liquid mixture; a gas/liquid separator for separating the gas/liquid mixture into a gas component and a liquid component; and a vacuum system for providing a motive force for moving the gas/liquid/solid mixture into the cyclone, moving the separated gas/liquid mixture into the gas/liquid separator and for removing the gas component from the gas/liquid separator. | 07-24-2014 |
| 20140360370 | MOISTURE SEPARATION SYSTEM FOR HIGH EFFICIENCY FILTRATION - An air treatment system and method that uses inertial moisture separators in two stages for removing moisture present in intake air entering the air treatment system, thereby increasing the effectiveness and lifespan of high efficiency filters that otherwise may become clogged by accumulating moisture. | 12-11-2014 |
| 20150033944 | METHOD AND ARRANGEMENT FOR WASTE-GAS PURIFICATION IN VACUUM STEEL TREATMENT PROCESSES - A method for waste gas purification in dust separation plants making use of a device ( | 02-05-2015 |
| 20160032798 | AIR-OIL SEPARATOR WITH JET-ENHANCED IMPACTION AND METHOD ASSOCIATED THEREWITH - The combination of a gas-pressure-driven pump jet nozzle or alternatively Coanda effect nozzle with an impactor nozzle(s) in an air-oil separator for separating oil from blow-by gasses from a crankcase of an internal combustion engine, or for separating liquid aerosol from gas, in general. Such combination enhances impaction efficiency and enables operation at higher pressure differentials (or pressure drop) (“dP”) without causing excessive backpressure in the air-oil separator. | 02-04-2016 |
| 20160250579 | DEVICE FOR OIL SEPARATION AND REMOVAL FROM AN ORGANIC WORKING FLUID | 09-01-2016 |
| 20160375389 | Bulk Deliquidizer/Desander Coalescer - A desander for use with a separator for removing sand and other particles from gas under pressure including a diverter manifold including an inlet opening and an outlet opening. The inlet opening is configured for receiving the gas. The outlet opening is in fluid communication with a housing. The housing includes processing equipment for separating sand, particles, and/or liquid from the gas. The diverter manifold includes a flow diverter. The flow diverter is configured to redirect the path of the gas and its contaminants. The diverter manifold is also designed to slow down a velocity of the gas entering into the inlet opening prior to entrance of the gas into the housing of the separator to reduce erosion of the processing equipment and to facilitate separation of the sand and particles from the gas. A method of removing sand, other particles, and liquid from gas under pressure is also provided. | 12-29-2016 |
| 20160375390 | Horizontal Coalescing Filter - A horizontal gas coalescing filter unit having a reduced vertical footprint includes a first housing including an inlet and an outlet, the inlet being configured for receiving a gas, including liquid condensates, under pressure. The filter unit includes an impingement head, a tuyere, and a vane separator to cause liquid condensates to separate from the gas. A second housing is positioned in fluid communication with the horizontal housing and contains a coalescing filter for receiving the gas exiting the vane separator and for further removing the liquid condensates from the gas. A gas outlet is associated with the second housing for allowing the separated, dry gas to exit the filter unit. A method for separating liquid condensates from the gas is also provided. | 12-29-2016 |
