| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 095020000 | Apparatus cleaned | 17 |
| 20080302238 | Method of Adjusting an Installation for the Adsorption Treatment of a Gas - The invention relates to a method of adjusting a unit that is used to control an installation for the adsorption treatment of a gas, comprising: at least a first member and a second member ( | 12-11-2008 |
| 20080307959 | Cleaning Process for Cleaning Filtration Material of a Gas Filter and a Device for Carrying Out the Process - A cleaning process for filtration material of a gas filter is disclosed. A first step hinders the gas flow from passing through the filtration material by closing the clean gas side of a single segment or a row of filter segments. A second step provides a slow gas flow to the closed filter segments to cause a reverse gas flow through the filtration material. A third step opens an impulse valve for an ultra short time to create a compressed gas impulse for disengaging the particles which did not fall off the filtration material during the second step of the cleaning process. A fourth step shuts off the reverse flow gas supply. A device for separating one or several filter segments from the clean gas side of the filter filtration material is also disclosed. | 12-18-2008 |
| 20090272264 | COMPRESSED AIR PRODUCING METHOD AND PRODUCING PLANT - A compressed air producing method, in which two or more adsorption columns, in all or part of which a zeolite-series adsorbent is charged, are switched over to purify feed air and the adsorbent charged in at least one adsorption column of said adsorption columns is regenerated in turn with regeneration gas, is characterized by comprising a step of performing, when an adsorption column (R) in a regeneration step transfers to a purification step, the purge of said adsorbent with purified air, and characterized in that the internal pressure of an adsorption column (R) in the purge step is controlled such that a differential pressure thereof from the internal pressure of an adsorption column (P) in the purification step falls within a specified value. | 11-05-2009 |
| 20090308244 | Method and Equipment for Filtering Air in an Urban Environment - The invention relates to a method with associated device for the removal of fine particulates from the air in open areas and includes the phases of suction intake, filtering and re-emission into the atmosphere of the air taken from the environment at a height near the ground. The device also provides for the cleaning of the filtering equipment and for the discharge of the washing sludge for subsequent disposal. | 12-17-2009 |
| 20100275776 | CLEANING PRESSURE REDUCTION THROUGH BLOWPIPES - A system for cleaning at least one filter in a baghouse and an associated method for providing the system. The at least one filter separate a dirty gas chamber from a clean gas chamber, and filters at least one substance from a gas. The system includes a supply of compressed air and a blowpipe to direct the air at the at least one filter to dislodge a collected amount of the at least one substance from the at least one filter. The blowpipe has a cross-sectional flow area through which the compressed air flows. A valve controls provision of the compressed air. The valve has a cross-sectional flow area though which the compressed gas flows. The cross-sectional area of the valve is smaller than the cross-sectional area of the blowpipe to provide for air pressure at the valve to be greater than air pressure at the blowpipe. | 11-04-2010 |
| 20110252964 | PULSE JET AIR CLEANER SYSTEMS; EVACUATION VALVE ARRANGEMENTS; AIR CLEANER COMPONENTS; AND, METHODS - Assemblies, features, and techniques for pulse jet air cleaner assemblies and their operation are described. In general, the techniques relate to: providing for advantageous dust egress arrangement from the housing; and, preferred pulse control logic. This can be advantageous in field operation. | 10-20-2011 |
| 20120318136 | HOT GAS FILTRATION MEDIA AND FILTERS - A nonwoven felt for hot gas filtration. The fibers have a polyarylene sulfide (PAS) component that contains a zinc compound. In one embodiment, the PAS comprises at least one zinc(II) salt of an organic carboxylic acid. Also a method for filtering hot gases employing a bag made from a PAS component that contains a zinc or a zinc based additive. | 12-20-2012 |
| 20130008308 | FILTRATION SYSTEM AND METHOD FOR ENGINE AIR INTAKE - There is provided a method of filtration for a rail vehicle or other off-highway powered system. The method includes determining a filter load of a primary filtration system to an air intake of an engine. The method also includes determining that the filter load exceeds a specified threshold. Additionally, the method includes de-activating the primary filtration system. The method further includes activating a secondary filtration system to the engine. | 01-10-2013 |
| 20130239802 | SELF-CLEANING AIR FILTER - A system and method to control cleaning of an associated air filter apparatus is disclosed. Air flow across the associated air filter is estimated using a pressure sensor disposed at an inlet port of the associated air filter and a pressure sensor disposed at an outlet port of the associated air filter. Further, an optimal air flow across the associated air filter is calculated. The optimal air flow results in optimal filtering efficiency. The associated air filter is then periodically cleaned at a rate determined from the difference between the estimated air flow and the calculated optimal air flow to move air flow towards the optimal air flow. | 09-19-2013 |
| 20130255485 | SYSTEM AND METHOD OF CLEANING PARTICULATE COLLECTION DEVICES USED IN A FLUE GAS PROCESSING SYSTEM - A system is provided for removing particulate matter from a particulate collection device utilized to collect particulate matter from a flue gas stream. The system includes a pressure vessel for storing a pressurized gaseous medium in an interior area defined by the pressure vessel. A first pressure sensor is in communication with the interior area and configured to measure pressure therein. A particulate collection device for collecting particulate matter from a flue gas stream includes a conduit in communication with the pressure vessel. A valve is disposed in the conduit and adapted to open to release a pulse of the pressurized gaseous medium from the pressure vessel into the particulate collection device. A control system is in communication with the valve and the first pressure sensor, and includes a controller configured to operate the valve based upon at least one pressure measurement received from the first pressure sensor. | 10-03-2013 |
| 20140116247 | REGENERATION CONTROL DEVICE AND REGENERATION CONTROL METHOD OF DIESEL PARTICULATE FILTER - A regeneration control device of a diesel particulate filter, includes: a regeneration control unit configured to combust particulate matter accumulated in a diesel particulate filter that removes the particulate matter from exhaust gas of an engine and regenerate the diesel particulate filter when an accumulation amount of the particulate matter accumulated in the diesel particulate filter exceeds a predetermined value, wherein the regeneration control unit is configured to perform lower limit control in which a lower limit of an engine speed is set to a value greater than or equal to a predetermined threshold value during the regeneration. | 05-01-2014 |
| 20140157982 | PARTICULATE FILTER REGENERATION MANAGEMENT - A method for implementing particulate filter regeneration management is provided. The method includes determining a presumptive deviation between a particulate model and actual particulate level conditions of the particulate filter. The presumptive deviation is determined from identification of an occurrence of extended parking, a passive regeneration, residual particulates, and a pressure signal. Each of the extended parking, passive regeneration, residual particulate, and pressure signal is specified by a respective particulate model deviation type. The method also includes selectively controlling current to at least one zone of a plurality of zones of an electric heater to initiate a regeneration event based on the presumptive deviation, and estimating the particulate level in the particulate filter once the regeneration event is complete. | 06-12-2014 |
| 20140208944 | METHOD AND DEVICE FOR METERING THE ADDITIVE FOR REGENERATING A DIESEL PARTICULATE FILTER - A method for metering an additive for a regeneration process of a particle filter activated in the exhaust gas system of an internal combustion engine, in particular of a diesel engine, the quantity of the additive to be metered in being calculated from the soot production of the internal combustion engine. | 07-31-2014 |
| 20140260966 | AIR TREATMENT PROCESS FOR DILUTE PHASE INJECTION OF DRY ALKALINE MATERIALS - The present disclosure is directed to the introduction of an additive to a contaminated gas stream. An additive introduction system uses a compressor and carbon dioxide separator to provide a treated carrier gas for introduction of an alkaline additive to a contaminated gas stream. | 09-18-2014 |
| 20140331858 | METHOD FOR CONTROLLING REGENERATION OF DIESEL PARTICULATE FILTER IN CONSTRUCTION MACHINERY - The present disclosure relates to a method for controlling regeneration of diesel particulate filter in construction machinery. The regeneration controlling method for the diesel particulate filter of construction machinery according to the present disclosure includes: a first active generation operation of actively regenerating a diesel particulate filter (DPF) according to a predetermined first active regeneration schedule when a quantity of soot inside the DPF within is a predetermined allowance section; and a second active regeneration operation of actively regenerating the diesel particulate filter according to a second active regeneration schedule, which is different from the first active regeneration schedule, according to the quantity of soot when the quantity of soot exceeds the allowance section. | 11-13-2014 |
| 20150007720 | COALESCING MEDIA CLEANING SYSTEM AND METHOD - A filter assembly and method of operating the filter assembly includes a hinge attached to a first end of a filter while a lifting mechanism is attached to a second end of the filter. The lifting mechanism lifts and releases the second end of the filter causing an impact such that dust and debris caught in the filter is dislodged. | 01-08-2015 |
| 20160174803 | VACUUM CLEANER FILTRATION SYSTEM WITH FILTER CLEANING MODE | 06-23-2016 |
