Class / Patent application number | Description | Number of patent applications / Date published |
096055000 | And serially arranged nonelectrical separator | 23 |
20090025558 | Electronic device filter assembly - An filter assembly comprises a sleeve coupled to an external surface of an electronic device and disposed at least partially over an airflow vent of the electronic device, the sleeve configured to receive insertion of a filter element therein. | 01-29-2009 |
20090064862 | AIR FILTER FORMED FROM 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. | 03-12-2009 |
20090084265 | Apparatus for Purifying Air, in Particular for Ventilation and Air-Conditioning Systems - An apparatus for purifying air, in particular for ventilation and air-conditioning systems, has an air filter ( | 04-02-2009 |
20110219954 | Electrically Enhanced Air Filtration System Using Rear Fiber Charging - An electrically enhanced air filtration system is disclosed which uses rear fiber charging is disclosed. In particular, a fibrous filter may be placed in an upstream position within the system with one or more ionization arrays positioned downstream or to the rear of the fibrous filter in terms of airflow direction. The fibrous filter may include a grounded side and fiber side with the grounded side being upstream of the fiber side. The ionization array may include a plurality of electrodes each extending unidirectionally toward the fibrous filter. | 09-15-2011 |
20120097036 | FILTER AND HOME APPLIANCE COMPRISING THE SAME - Provided are a filter and a home appliance including the filter. In one embodiment, a filter comprises: a first main filter member and a second main filter member, which are at least partially spaced apart from each other, and generate static electricity with each other; and at least one auxiliary filter member attached to at least one of the first and second main filter members, and coated with a material for providing at least one of a sterilization function, an anti-bacterial function, a deodorization function, and an anti-allergic function. | 04-26-2012 |
20120204722 | HARD DISK DRIVE FILTRATION DEVICE - A hard disk drive filter which includes a tunable breather filter within a housing that can be easily removed and exchanged. The tunable breather filter provides multi-directional air flow through the filter. | 08-16-2012 |
20120240772 | AIR TREATMENT DEVICE - An air treatment device is described that comprises: a housing having at least one air inlet and at least one air outlet with at least one air passageway therebetween; at least one fan located within said at least one air passageway; at least one air filter retaining means arranged to releasably retain, in use, an air filter within a passageway; at least one refill securing means arranged to releasably securing a refill of air treatment agent within the housing; emanation means within the housing; and wherein the housing is provided with a door to permit access to at least said air filter retaining means; and wherein the air filter retaining means are configured to move from a first position when the door is closed in which the air filter substantially completely obstructs said at least one air passageway to move to a second position when the door is open such that the air filter no longer substantially completely obstructs said at least one air passageway. | 09-27-2012 |
20120304864 | DUST FILTER ASSEMBLY ATTACHABLE TO OFFICE EQUIPMENT - The present invention relates to a dust filter assembly attachable to office machines such as printers and copiers that employs toner, and computers and fax machines that require cooling. The dust filter assembly includes a contact plate attached to a vent hole of an office machine and sealing the periphery of the vent hole, a filter case connected to the contact plate and having a filter accommodation space, and a filter disposed in the filter case and including a plurality of layers, at least one of which is charged with static electricity. | 12-06-2012 |
20140076162 | ION GENERATOR DEVICE - A system and method of treating air. Bipolar ionization is delivered to an airflow within a conduit from a tubeless ion generator. The ionized airflow may be delivered to a conditioned airspace by an HVAC system. In alternate applications, the airflow delivers ionized combustion air to an engine. The invention also includes a mounting assembly for positioning one or more ion generators into an airflow. | 03-20-2014 |
20140366734 | AIR PURIFICATION DEVICE - The device has air ducts ( | 12-18-2014 |
20150107456 | APPARATUS WITH CONDUCTIVE STRIP FOR DUST REMOVAL - The invention provides a gas purification system, for instance for agricultural application comprising a corona discharge system, the corona discharge system comprising a counter electrode, a conductive strip with a longitudinal edge comprising tooth structures, wherein the tooth structures have tooth tops with shortest distances selected from the range of 2-200 mm; and a voltage generator configured to apply a DC voltage of at least 10 kV to the conductive strip. | 04-23-2015 |
20160016105 | AIR PURIFIER - An air purifier includes a shell, a wind turbine and an air filter layer. The shell includes at least one air inlet and at least one air outlet, and an air passage is defined between the at least one air inlet and the at least one air outlet. The wind turbine is located in the air passage. The air filter layer is located in the air passage and includes a filter screen. The air filter screen includes a carbon nanotube structure including a plurality of carbon nanotube films stacked and crossed with each other. The carbon nanotube structure includes a plurality of micropores. A diameter of the micropores is ranged from about 1 micrometer to about 2.5 micrometers. | 01-21-2016 |
20170232823 | AIR SUPPLY ARRANGEMENT | 08-17-2017 |
096057000 | Precedent nonelectrical separator | 10 |
20090025559 | AIR CONDITIONING SYSTEM WITH MODULAR ELECTRICALLY STIMULATED AIR FILTER APPARATUS - An air conditioning system includes an air flow pathway extending through a housing from an inlet to an outlet. Air conditioning apparatus is disposed in the airflow pathway between the inlet and the outlet conditioning an air stream passing through the air flow pathway from the inlet to the outlet. A modular electrically stimulated air filter apparatus is carried by opposed, parallel frameworks mounted in series in the air flow pathway between the inlet and the air conditioning apparatus filtering entrapping contaminants in the air stream flowing through the housing from the inlet to the outlet. The opposed parallel frameworks are mounted to opposed supports affixed to the housing. | 01-29-2009 |
20110011265 | ELECTROSTATIC PRECIPITATOR - An electrostatic precipitator for removing solid and liquid components from an aerosol includes a precipitator housing having a raw gas inlet for an aerosol to be cleaned, a clean gas outlet for cleaned aerosol, and at least one aerosol supply channel flange-mounted to the raw gas inlet, a drain device for solid and liquid components that are separated from the aerosol, an ionization stage externally powered via a high-voltage bushing and including at least one metallic high-voltage rod that extends into a flow path of the aerosol and to which high voltage is applyable, and a collector stage disposed in the flow path downstream of the ionization stage. | 01-20-2011 |
20110030560 | AIR CLEANER WITH MULTIPLE ORIENTATIONS - A convertible air cleaner adapted for use in a tower or non-tower orientation including: a housing defining an interior chamber; an air filter disposed in the interior chamber; an air inlet through a first outer face of the housing; and an air outlet through a second face of the housing is described. In the air cleaner, the air inlet is disposed substantially opposite the air outlet, and the air cleaner is adapted to create an airflow between the air inlet and the air outlet when the air cleaner is in a tower or a non-tower orientation. | 02-10-2011 |
20110100222 | MASS INDEPENDENT KINETIC ENERGY REDUCING INLET SYSTEM FOR VACUUM ENVIRONMENT - A particle inlet system comprises a first chamber having a limiting orifice for an incoming gas stream and a micrometer controlled expansion slit. Lateral components of the momentum of the particles are substantially cancelled due to symmetry of the configuration once the laminar flow converges at the expansion slit. The particles and flow into a second chamber, which is maintained at a lower pressure than the first chamber, and then moves into a third chamber including multipole guides for electromagnetically confining the particle. The vertical momentum of the particles descending through the center of the third chamber is minimized as an upward stream of gases reduces the downward momentum of the particles. The translational kinetic energy of the particles is near-zero irrespective of the mass of the particles at an exit opening of the third chamber, which may be advantageously employed to provide enhanced mass resolution in mass spectrometry. | 05-05-2011 |
20160138449 | DEVICE FOR REMOVING PARTICULATE MATTER FROM EXHAUST GASES OF INTERNAL COMBUSTION ENGINE - A device to trap and remove particulate matter from exhaust of internal combustion engines, without increasing resistance to the flow of engine exhaust is disclosed herein. The system is provided with a single or a plurality of ducts ( | 05-19-2016 |
096058000 | Separator is single porous filter | 5 |
20100024652 | APPARATUS, SYSTEM, AND METHOD FOR ENHANCING AIR PURIFICATION EFFICIENCY - Disclosed are apparatus, system, and method for enhancing air purification efficiency regarding a gaseous medium passing through an opening. Included is a high voltage source that creates an effective voltage field across the opening; and at least one charge bleeding element constructed and arranged to maintain an effective voltage field across the opening. | 02-04-2010 |
20110162526 | TWO-SIDED ATTRACTION STRUCTURE, EXHIBITING OR INDICATING APPARATUS USING SAME, DUST COLLECTING APPARATUS, AND PLANT GROWING APPARATUS - Provided is a two-sided attraction structure that can be used repeatedly with remarkable ease, thereby being free from the problem of material wasting or the like, is free from the problem of energy, and can be employed for various uses including an exhibition/information apparatus and a dust collecting apparatus. The two-sided attraction structure includes an electrostatic chuck portion ( | 07-07-2011 |
20130233172 | Portable Air Cleaner With Improved Multi-Stage Electrostatic Precipitator - An electrostatic precipitation air cleaner to reduce ozone output is provided. The electrostatic precipitation air cleaner includes a housing with an air inlet and outlet. Located in the housing are an air mover for moving a stream of air along an airflow path between the inlet and the outlet, an ion emitter electrode positioned in the airflow path downstream of the inlet for ionizing particulates entrained in the stream of air, a collector electrode having an inlet downstream of the ion emitter electrode, and an intermediate element intermediate the ion emitter electrode and the collector electrode. The collector electrode is comprised of a plurality of collector plates spaced apart in a direction transverse to the airflow path. The plates are electrically biased to create and maintain an electric field in the space therebetween to precipitate ionized particulates entrained in the stream of air onto a confronting surfaces of the plates. | 09-12-2013 |
20140366735 | AIR FILTER DEVICE HAVING A HIGH-VOLTAGE POWER TRANSMISSION WIRE COLUMN - Disclosed is an air filter device having a high-voltage power transmission wire column. The device comprises: a filter paper, a filter frame, a net base, an ion filament arranged below the filter paper, and a discharge net arranged below the ion filament; the ion filament being installed on an ion filament component, the ion filament component being made of a net-shaped insulation material and being fixed onto the net base; the filter paper being fixed onto the filter frame, and the filter frame being cooperatively connected to the net base; wherein: the discharge net is provided with a ceramic insulating column, a top portion of the ceramic insulating column is connected to the ion filament component, the ceramic insulation column has a hollow through cavity, and a high-voltage connection wire of the ion filament passes through the cavity of the ceramic insulating column. | 12-18-2014 |
20160144379 | High Voltage Connection For Sparse Material - A filter assembly for an active field polarized media air cleaner includes a conductive screen that conducts a high voltage therethrough, a probe that delivers voltage to the conductive screen, and a conductive patch adhered to the conductive screen. The probe delivers the high voltage to the conductive screen through the conductive patch. | 05-26-2016 |