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| Number | Title | Issue Date |
| 7479171 | Dust separator for cyclone type cleaner A dust separator of a cyclone type cleaner includes a first dust separator connected to a suction pipe, for separating dust from air by a centrifugal force for the first time; a collecting container connected to a lower portion of the first dust separator and in whi... | 01/20/2009 |
| 7387652 | Emergency bio-filter A portable filter assembly for providing filtered air to an enclosed space includes a housing having an exhaust port connected to the enclosed space, an internal air intake port connected to the enclosed space, and an external air intake port connected to the outsid... | 06/17/2008 |
| 7374731 | Reaction apparatus for producing vapor-grown carbon fibers and continuous production system thereof A reaction apparatus for producing vapor-grown carbon fibers (VGCF) and a continuous production system for producing VGCF are disclosed. The VGCF reaction apparatus is featured in installing a plurality of holes on the upper portion of inner tubes; and filling therm... | 05/20/2008 |
| 7338545 | Apparatus for separating liquid from a process gas stream of an electrochemical cell stack A liquid separator includes a housing, a separation chamber disposed within the housing, a drain, an inlet channel, a swirler disposed within the inlet channel, and an outlet channel. The drain has a drain passageway for draining liquid from the separation chamber. ... | 03/04/2008 |
| 7279020 | Axial demisting cyclone Axial flow demisting cyclone for separation of a mixture of gas and liquid including an inlet 30 for gas containing liquid droplets and an outlet 31 for substantially dry gas, including a mainly cylindrical cyclone tube 16 with at least one path... | 10/09/2007 |
| 7220291 | Filter housing assembly A filter housing assembly having a gas-tight seal and a method of replacing a filter are generally provided. In one embodiment, the filter housing assembly includes a housing having an opening adapted to receive a filter and an inlet. A seal member is coupled to the... | 05/22/2007 |
| 7163626 | Device for treating a gas/liquid mixture The present invention relates to a device for treating a gas/liquid mixture, comprising: an inlet opening for the mixture; an outlet for the mixture located downstream; rotating means arranged in the tube for setting the mixture into rotating movement; one or more o... | 01/16/2007 |
| 7161315 | Self dust-off apparatus and method thereof A self dust-off apparatus includes a fan and a controller. The fan, which can be driven to rotate clockwise or counterclockwise, is installed in a projector. The controller is employed to direct the rotational direction (clockwise or counterclockwise) of the fan. In... | 01/09/2007 |
| 7134166 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 11/14/2006 |
| 7131165 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 11/07/2006 |
| 7070637 | Apparatus for separating particles from a fluid A particle separation device for removing particles from a fluid. An embodiment of the device includes a particle separation chamber with an annular tunnel. A plurality of inlet vanes extend within the annular tunnel for imparting a helical fluid flow by deflecting ... | 07/04/2006 |
| 7048625 | Clean bench for cleaning atmosphere of partitioned space A substantially cubic work space extends from an upper opening to the interior of a housing. A substantially cubic lower space extends from a lower opening to the interior of the housing. A front cover covering the upper opening is provided on the front of the work ... | 05/23/2006 |
| 7033421 | Sorption cooling for handheld tools A device is disclosed for cooling motors that generate heat during operation. The device is more specifically directed to handheld power tools where long operation can lead to overheating of the handheld tool. ... | 04/25/2006 |
| 7022150 | Centrifugal separator having a rotor and driving means thereof In a centrifugal separator, the rotor of which is adapted to be driven by means of a gaseous driving fluid, the rotor itself supports a ring of turbine blades extending around the rotational axis of the rotor. A stationary nozzle is adapted to direct a flow of the d... | 04/04/2006 |
| 7014674 | Biological safety cabinet A biological safety cabinet includes a work chamber having a contaminated air discharge opening, a fan enclosure above the work chamber, a conduit extending from the chamber air outlet to the top of the fan enclosure, a first HEPA filter in the top of the fan enclos... | 03/21/2006 |
| 7014685 | Filter element and mounting method The present invention relates to an apparatus for filtering a gas or liquid stream such as a natural gas stream. The apparatus includes a closed vessel having a longitudinally extending length, an initially open interior, an input port at one extent and an output po... | 03/21/2006 |
| 6979358 | Vertical cyclone separator Vertical cyclone vessel having a tubular housing comprising of a tubular wall section provided with a tangentially arranged inlet for receiving a suspension of gas and solids and an elevated cover which closes the upper end of the tubular wall section, wherein a gas... | 12/27/2005 |
| 6966934 | Gas reclaiming equipment A gas reclaiming equipment capable of separating SF6 gas from a mixed gas efficiently and shortening reclaiming work under reduced pressure. A gas separation equipment is provided between a gas insulated equipment and a gas liquefaction system. The gas se... | 11/22/2005 |
| 6936095 | Air/particle separator A method of separating particles from particle laden air having a multiple stage separator in which the first stage comprises a generally cylindrical chamber having a hollow central member extending axially from one end thereof with openings in its wall remote from ... | 08/30/2005 |
| 6928316 | Method and system for handling complex inter-dependencies between imaging mode parameters in a medical imaging system The preferred embodiments described herein provide a method and system for handling complex inter-dependencies between imaging mode parameters in a medical imaging system. In one preferred embodiment, a behavior engine comprises a plurality of behavior objects inter... | 08/09/2005 |
| 6902593 | Separation device to remove fine particles A multi-cyclone gas/solids separator with reduced solids re-entrainment is disclosed. The separator uses a plurality of cyclones spaced horizontally apart from adjacent cyclones to process flue gas containing residual catalyst fines. Each cyclone has a body that has... | 06/07/2005 |
| 6869458 | Bioclean room unit A bioclean room is formed surrounded by a frame body with side portions of the frame opened and curtains to be selectively opened and shut to cover opened side portions of the frame body. An air flow passage is equipped with an air cleaning device to deliver the air... | 03/22/2005 |
| 6733554 | Re-circulating system for de-dusting and dry gas cleaning A re-circulation system for de-dusting and dry gas cleaning, comprises a straight-through cyclone concentrator, a reverse-flow cyclone collector upstream of the straight-through cyclone concentrator, and a re-circulation mechanism interconnecting the reverse-flow cy... | 05/11/2004 |
| 6478962 | Dynamic bubble trap The bubble trap is used in extracorporeal blood flow circuits of the type used for open heart surgery. The trap is placed in the external blood flow and it removes small micro bubbles from the blood prior to delivery to the body. The device accelerates th... | 11/12/2002 |
| 6368393 | Fan filter unit for cleanroom A fan filter unit for use in cleanrooms is provided, which decreases efficiently the concentration of chemical substance existing in the atmosphere while the expansion of the air circulating space and the electric power consumption increase of the fan-dri... | 04/09/2002 |
| 6302783 | Air-conditioning device Air-conditioning device includes a holder which is to be arranged against the wall of the room and is provided with a top wall, front wall, side walls, base and rear wall. An opening for the supply of fresh air form the environment is arranged in the rear... | 10/16/2001 |
| 6299667 | Method and device for removing dust from areas with high dust loading A method and device for removing dust from spaces having a high dust loading utilizing a blast jet chamber having a cartridge filter (2) for the exhaust volume flow and a cyclone dust separator (4) as well and an associated exhaust stack (3) for the recir... | 10/09/2001 |
| 6290752 | Device and process for adsorption or chemisorption of gaseous constituents from a gas flow A filter device for adsorption of gaseous constituents from a gas flow includes a filter chamber with filters arranged therein, a clean-gas chamber connected to the first chamber in a fluid-conducting manner via the filters, and a collection chamber arran... | 09/18/2001 |
| 6258151 | Method and apparatus for the purification and reuse of waste air mixed with additives (for example, solvents) or impurities The present invention relates to methods and apparatuses for the purification and reuse of waste air mixed with additives (for example, solvents) or impurities, in particular for the purification and reuse of waste air mixed with solvents from dryer appli... | 07/10/2001 |
| 6248146 | Induction assembly for high efficiency air filter An induction assembly (100) for a high efficiency air filter includes a primary intake plenum (102), a primary throat aperture (106), a secondary intake plenum (112), a momentum transfer section (114), a static regain section (116), and a discharge openin... | 06/19/2001 |
| 6235072 | Glove box filter system A glove box filter system for filtering out particles from a glove box environment defined in a glove box having an outlet and an inlet. The filter system includes a first filter stage for receiving removed gas from the glove box environment. The first fi... | 05/22/2001 |
| 6051054 | Method for separating dust from hot process gases A method and apparatus for separating dust from hot process gases. The process gases are passed via a gas inlet duct through a dust separator, in which dust is separated from the process gases, part of the separated dust being conducted to a device for ag... | 04/18/2000 |
| 6041469 | Dust collector with long fan incorporated therein A dust collector which comprises a long suction fan and a movable filter adaptable to the fan and whose filter permits dust itself caught thereon to function as a three-dimensional filter to thereby enable collection of micro dust. The dust collector comp... | 03/28/2000 |
| 5925322 | Fuel cell or a partial oxidation reactor or a heat engine and an oxygen-enriching device and method therefor The present invention relates to a combined cycle system of enhanced efficiency. The system comprises a top stage, such as a fuel cell, a partial oxidation reactor or a heat engine, and an oxygen-enriching device, such as a temperature swing adsorption de... | 07/20/1999 |
| 5873469 | Vibrating screener An improved vibrating screener is disclosed as including an inlet system which provides for tangential input of the material to be processed by the screener. A spacing frame is provided in connection with the tangential inlet in order to separate material... | 02/23/1999 |
| 5863316 | Recirculating fume scrubber system A recirculating fume scrubber system in which fume is evolved from an aqueous bath in a process vessel, such as an HCl pickling tank, and the evolved fume is scrubbed with water and then the scrubbed gas is divided into two portions, one of which is relea... | 01/26/1999 |
| 5855651 | Method for processing waste gas exhausted from chemical vapor and deposition equipment A method of processing waste gas exhausted from chemical vapor deposition equipment, which entails: a) contacting a waste gas containing viscous substances with a filtering aid agent, b) passing the waste gas containing the viscous substances exhausted from ... | 01/05/1999 |
| 5770164 | Clear liquor organic acid flue gas desulfurization system An efficient and cost-effective flue gas desulfurization apparatus for removing sulfur dioxide from waste gases is provided. The apparatus employs a substantially solids-free clear liquor scrubbing liquid and an, organic acid additive capable of maintaini... | 06/23/1998 |
| 5695534 | Air filtration installation with recycling of filtered air A filtration installation including a time delay device which, at the time of a filter sleeve cleaning operation, establishes a cycle to exhaust filtered air towards the outside atmosphere instead of recycling it. The installation also includes a device f... | 12/09/1997 |
| 5665128 | Clean air cabinet with valved exhaust A clean air cabinet includes a blower chamber and a sample chamber separated by a filter. A blower within the blower chamber forces air through the filter into the sample chamber. A perforated wall between the sample chamber and the filter provides a pres... | 09/09/1997 |
