| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 096060000 |
Including gas flow distribution means
| 29 |
| 096083000 |
Electrode retaining or supporting means
| 25 |
| 096028000 |
Electrode cleaner, apparatus part flusher, discharger, or wet collector (e.g., wet film electrode, etc.)
| 25 |
| 096018000 |
With control means responsive to sensed condition
| 24 |
| 096055000 |
And serially arranged nonelectrical separator
| 23 |
| 096074000 |
With nonelectrical gas treating or conditioning means
| 14 |
| 096052000 |
With means for vapor or liquid contact (e.g., for gas separation, cooling, conditioning, etc.)
| 14 |
| 096098000 |
Collecting electrode details (e.g., sheet type, running length web, etc.)
| 13 |
| 096080000 |
With details of voltage supply means or circuitry
| 13 |
| 096054000 |
Having alternating electrostatic field
| 11 |
| 096095000 |
Ionizing electrode details (e.g., coil, mat, corona suppression, etc.)
| 10 |
| 096075000 |
Plural diverse electric fields
| 9 |
| 096017000 |
Electric charge produced by friction (e.g., by gas flow, etc.)
| 9 |
| 096027000 |
With means to add charged solid or liquid particles to gaseous fluid mixture
| 9 |
| 096016000 |
And radioactive or ultraviolet light ionizer
| 6 |
| 096026000 |
With indicating, signal, or alarm means | 5 |
| 20100132560 | Indoor Air Cleaner - An air vent air purifier comprises a grill portion and a housing that is attached to the bottom of the grill portion. The housing fits within a forced air vent. The housing encloses an ionization grid, control circuitry and energy source. When energized, air flowing through the vent from the air handling device passes through the ionization grid, where it is ionized, thereby cleaning the air throughout the entire room. The grill may include a decorative element to match the decor of a room. Batteries provide the energy. A series of indicator lights indicate a power on condition and the level of the battery. | 06-03-2010 |
| 20100192772 | SELF-ALARMING AIR CLEANER - A self-alarming air cleaner is disclosed. The air cleaner includes an air filter element ( | 08-05-2010 |
| 20120234172 | FINE PARTICLE SENSOR AND MOUNTING STRUCTURE THEREFOR - There is provided a fine particle sensor for detecting fine particles in exhaust gas, including an ion generating unit for generating ions by corona discharge, a charging unit for charging the fine particles by some of the generated ions, an ion trapping ions for trapping a remainder of the generated ions and a casing for accommodating therein the charging unit and the ion trapping unit in a given arrangement direction. The casing has a gas inlet hole and a gas outlet hole formed in a circumferential wall thereof so that the exhaust gas flows in the charging unit through the gas inlet hole and flows out of the ion trapping unit through the gas outlet hole. The gas inlet hole and the gas outlet hole are arranged in such a manner as to at least partially overlap each other when viewed in the given arrangement direction. | 09-20-2012 |
| 20140202334 | FILTER SYSTEM AND METHOD FOR LEAK IDENTIFICATION - A filter system and method utilizing a plurality of filters each with an electrically conductive material portion for conducting an electric current while the filter maintains a tight seal and for not conducting the electric current when the filter does not maintain the tight seal. | 07-24-2014 |
| 20150298141 | FEED CHANNEL COMPRISING AN EXPANSION BODY FOR CHARGING THE SEPARATOR ELECTRODE OF A WET OVERSPRAY SEPARATOR DEVICE - A separator unit having a panel-shaped separator electrode on which at least one separator surface is formed for the overspray. A feed device ensures that a separator liquid can be fed to the separator surface of the separator electrode. It has a channel that can be filled with the separator liquid, and a removal device which can remove separator liquid from the channel. The latter includes a shape-changing, flexible and/or elastic expansion element arranged in the channel, which at least partially delimits a closed cavity. The removal device includes a pump device with which a pressure medium can be pushed into the closed cavity. As a result of the volume expansion of the closed cavity when “pumping up” said expansion element, separator liquid is displaced over the edges of the channel and from here it can be conducted onto the separator surface of the separator electrode in a suitable manner. | 10-22-2015 |
| 096025000 |
With programmed, cyclic, or time responsive control means | 5 |
| 20090260520 | Control Device and Control Method for an Electrostatic Filter With a Configurable Number of Parallel and Serial Filter Zones - The aim of the invention is to be able to adapt an item of visualization or optimization software with the least possible amount of effort made on any electrostatic filter configurations. To this end, the invention provides that the electrostatic filter, the high-voltage supply units, and the auxiliary functional units can be used by the software modules in the server component as objects with characteristic features and with characteristic methods, that are capable of being accessed as information, which only exists in the server component, for the client modules via data interfaces. | 10-22-2009 |
| 20100236411 | Collector modules for devices for removing particles from a gas - Devices for removing particles for a gas utilizing electrostatic precipitation comprising collector modules with fewer electrical connections, which facilitate cleaning, and/or eliminate the need for high voltage connections between a removable collector module and a collector module support. Driver electrode modules provide electrical connection between an insulated driver electrode and a source of electrical potential or between insulated driver electrodes and at least one other conductor through a hole in or on some edge on the driver electrodes. A biasing force is provided and a conductive element serves as a conductor between the driver electrode(s) and the other conductors. A plurality of insulated driver electrodes, e.g. plates, are formed with a single, conductive plate or from a plurality of electrically joined conductive plates which are coated with insulation and then bent. An electrically-shielded, high voltage generating circuit is integrated with a readily removable collector module to eliminate the need for high voltage connections between the removable collector module and the collector module support, while enhancing the device's durability and allowing cleaning with cleaning fluid and/or dishwasher detergent. | 09-23-2010 |
| 20150352564 | PERSONAL RECHARGEABLE PORTABLE IONIC AIR PURIFIER - A portable rechargeable personal ionic air purifier energizing a personal airspace and cleaning particulate pollutants therefrom in a manner that poses little or no personal shock risk and that minimizes battery drain to maximize battery life includes ionization means and ionization actuation means cooperative to provide ion bursts at regular intervals to energize and to clean particulates from the personal airspace. The ionization means includes an ion emitter and the ionization activation means includes means for providing a pulse train of predetermined frequency and duty cycle. The ion emitter may be removably mounted to a portable housing and/or to a facemask or other objects in the personal airspace via an elongated flexible cable. | 12-10-2015 |
| 20160375444 | METHOD FOR CALCULATING THE PULSE FIRING PATTERN FOR A TRANSFORMER OF AN ELECTROSTATIC PRECIPITATOR AND ELECTROSTATIC PRECIPITATOR - The method for calculating the pulse firing pattern for a transformer of an electrostatic precipitator, the method comprising a) defining a target parameter indicative of the power to be supplied to collecting electrodes and discharge electrodes of the electrostatic precipitator, b) calculating a first parameter indicative of the power supplied to the collecting electrodes and discharge electrodes using the pulse firing pattern being calculated, in case one additional pulse is fired, c) calculating a second parameter indicative of the power supplied to the collecting electrodes and discharge electrodes using the pulse firing pattern being calculated, in case two additional successive pulses are not fired, d) selecting at least one pattern element on the basis of the first parameter or second parameter, e) repeating steps b), c), d), e). | 12-29-2016 |
| 20160375445 | PULSE FIRING PATTERN FOR A TRANSFORMER OF AN ELECTROSTATIC PRECIPITATOR AND ELECTROSTATIC PRECIPITATOR - The pulse firing pattern ( | 12-29-2016 |
| Entries |
| Document | Title | Date |
|---|
| 20080307972 | AIR PURIFIER AND LIGHT - An illuminating air purifier is disclosed. In an embodiment, the illuminating air purifier includes an air ionizer, a back plate, and a light. | 12-18-2008 |
| 20090095160 | ELECTROSTATICALLY CHARGED ENGINE INTAKE FILTER MEDIA - A filter for internal combustion engine air intake comprised of a synthetic fiber media uniquely enhanced with an electrostatic charge. The media described in this application is a low restriction synthetic fiber media enhanced with an electrostatic charge applied to the media fibers to greatly improve efficiency and dust holding capacity. This charge is so effective that unlike other mechanical filters the initial efficiency of this media is as high, or higher than its efficiency after use. The applied charge will either attract particles of an opposite charge that might otherwise pass through the media or in cases of particles with similar charges an induced dipole is formed to attract those particles. The claims of this patent will not be for the method of enhancing this media but for its use and configuration for use in engine intake air filtration. | 04-16-2009 |
| 20100313760 | MEMBRANE-FREE FILTER AND/OR INTEGRAL FRAMING FOR FILTER - A filter for an electronics cooling unit of a telecommunications base station, the electronics cooling unit adapted to receive fresh air into a housing of the cooling unit through an opening communicating with the external environment. The filter includes a structural support configured to be mounted to said housing, a gasket sealingly engaging the structural support and adapted to engage the housing; and a filter media supported by the structural support, the filter media being free of a membrane type layer and including a fiber entanglement selected to prevent ingress of water sufficient to pass a salt fog test consistent with GR-487-CORE and in accordance with ASTM B 117. | 12-16-2010 |
| 20110100220 | FLUORINATED POROUS ARTICLE - An article having at least one fluorinated porous layer having a basis weight of about 10 to about 300 grams per square meter and a thickness of about 0.20 to about 20 millimeters. The porous layer also exhibits a Q | 05-05-2011 |
| 20110132195 | METHOD FOR MANUFACTURING ELECTROSTATIC NON-WOVEN INTAKE FILTER AND ELECTROSTATIC NON-WOVEN INTAKE FILTER USING THE SAME - A method for manufacturing an electrostatic non-woven intake filter, may include a fabric preparation process that weaves at least a kind of fiber fabric into a web, and a filter fabric manufacturing process that weaves the web into a felt that has at least a layer, and manufactures an electrostatic non-woven intake filter material that is a non-woven fabric having a fiber tissue having a semipermanent electrostatic force by allowing a binder and an electrostatic material to permeate the felt. | 06-09-2011 |
| 20110154987 | ELECTRET WEBS WITH CHARGE-ENHANCING ADDITIVES - Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include N-substituted amino carbocyclic aromatic materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media. | 06-30-2011 |
| 20110174157 | AIR FILTER FORMED BY SLIT AND EXPANDED LAYERS OF ELECTROSTATICALLY ENHANCED MATERIAL - An air filter including a plurality of air-pervious sheets of electret filtration material. The sheets are disposed in a parallel relationship to form a stack of sheets, and each of the sheets has a plurality of slits formed therein for subsequent expanding to form openings. The stack is connected together at opposing ends, such as by bonding. The sheets can be pleated by mounting in a frame. The frame has opposing ends to which the opposing ends of the stack are mounted. The filter media initially has no frame and is not pleated, but is in a flat pad form that is expanded to be installed into a frame. The frame is then mounted in an appliance, such as a room air filter. When the filter is inserted into the filter housing it is expanded and can take a pleated form. | 07-21-2011 |
| 20110185903 | PLEATED FILTER WITH MONOLAYER MONOCOMPONENT MELTSPUN MEDIA - A pleated filter is made from a monocomponent monolayer nonwoven web of continuous monocomponent meltspun partially crystalline and partially amorphous oriented fibers of the same polymeric composition that are bonded to form a coherent and handleable web having a Gurley Stiffness of at least 100 mg and which further may be softened while retaining orientation and fiber structure. Rows of pleats are formed in the nonwoven web, and the web is cut to a desired size and shape to provide a pleated filter element containing a self-supporting porous monocomponent monolayer matrix of fibers bonded to one another at least some points of fiber intersection and having an average initial submicron efficiency of at least 15% at a 1.52 meters/sec face velocity. The filter element is deformation resistant without requiring stiffening layers, bicomponent fibers, adhesive or other reinforcement in the filter media layer. | 08-04-2011 |
| 20110209619 | FILTER MEDIUM FOR PARTICULATE FILTRATION - A filter medium comprising a carrier layer ( | 09-01-2011 |
| 20130061754 | AIR PURIFIER - An air purifier includes a frame, a fan unit, and an electrostatic precipitator. The precipitator has a first strip with a first continuous conductive electrode layer directly adjacent to an edge, and a second strip with a second continuous conductive electrode layer directly adjacent to an edge. The first and second strips are nested with one another. The edge of the first strip is opposed to the edge of the second strip. An electrostatic precipitator for an air purifier includes a first spiral strip having a continuous conductive electrode, a second spiral strip having a continuous conductive electrode and nested with the first strip, a plurality of combs. Each comb extends from an outer periphery of the precipitator to an intermediate region between the outer periphery and a center of the precipitator. | 03-14-2013 |
| 20130139691 | HEAT STABILIZED COMPOSITE FILTER MEDIA AND METHOD OF MAKING THE FILTER MEDIA - Composite filter media which are highly resistant to thermal degradation and retain filter efficiency and extended lifetime in high temperature environments are disclosed. Methods of making the filter media are also disclosed. A composite filter media for removal of particles from a gas stream includes a layer of a porous polymeric membrane, the layer having an upstream side and a downstream side relative to the direction of the gas stream; and at least one layer of an electrostatic microfiber web containing an antioxidant in an amount ranging from about 0.1% to about 10% by weight; the at least one layer of microfiber web disposed on the upstream side of the porous polymeric membrane layer. | 06-06-2013 |
| 20130269531 | Membrane-Free Filter and/or Integral Framing for Filter - A filter for an electronics cooling unit of a telecommunications base station, the electronics cooling unit adapted to receive fresh air into a housing of the cooling unit through an opening communicating with the external environment. The filter includes a structural support configured to be mounted to said housing, a gasket sealingly engaging the structural support and adapted to engage the housing; and a filter media supported by the structural support, the filter media being free of a membrane type layer and including a fiber entanglement selected to prevent ingress of water sufficient to pass a salt fog test consistent with GR-487-CORE and in accordance with ASTM B 117. | 10-17-2013 |
| 20130298773 | DUST COLLECTION FILTER UNIT, PROJECTION IMAGE DISPLAY DEVICE, AND AIR CLEANER - An dust collection filter unit | 11-14-2013 |
| 20140165839 | Extended Life Panel Filter - A panel filter is provided. The panel filter can have extended life by virtue of more filter media packed into a panel filter in a way that maintains open flow structure and with filter media selection that does not cause undue restriction. | 06-19-2014 |
| 20140190353 | FILTER MEDIA WITH IMPROVED CONDUCTIVITY - Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration. | 07-10-2014 |
| 20150114230 | Pleatable Filter Media - This invention is directed to a filter media for manufacturing pleated filters comprising a non-woven, needle punch felt including a blend of a first polyester fiber and a bi-component fiber wherein said bi-component fiber has a sheath and a core wherein said sheath has a melting point above 110° C. and said nonwoven felt has an efficiency of greater than 89% for particles size of 3 to 10 μm as determined by testing method ASHRAE 52.2. The invention can include a top portion and a bottom portion manufactured from a web made from a carding process that is cross lapped, cut and overlapped so that said top portion and said bottom portion are entangled by a needle punching process to create a homogeneous arrangement prior to applying heat and pressure to stiffen the media for pleating. | 04-30-2015 |
| 20150343455 | ELECTRET WEBS WITH CHARGE-ENHANCING ADDITIVES - Electret webs include a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additive is a divalent metal-containing substituted-mercaptobenzimidazolate salt. The electret webs may be a non-woven fibrous web or a film. The electret webs are suitable for use as filter media. | 12-03-2015 |
