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| Number | Title | Issue Date |
| 8066787 | Bypass flow filter with improved filter efficiency and exhaust system and vehicle having the filter A bypass flow filter includes a plurality of channels which are formed of at least one structured wall layer and a filter layer. Projecting guide vanes and passages, which are formed by the wall layer and lead to a different channel, are provided in at least a major... | 11/29/2011 |
| 7637972 | Low resistance air filter device A low resistance air filter device comprises a tubular case (2) for containing a filtering element (3) fixed to a lower opening (9) of the case (2). The tubular case has an upper opening (10), with outlet means (8) provided ... | 12/29/2009 |
| 7594942 | Gas/liquid separator A gas/liquid separator comprising a vertical vessel having an inlet for a gas/liquid mixture; a gas/liquid separation device arranged within the vessel, which separation device has an inlet in fluid communication with the inlet of the vessel, and an outlet means for... | 09/29/2009 |
| 7438735 | Filter apparatus with automatic cleaning A filter apparatus includes a gas-impermeable outer conduit having an open end and a closed end. The interior of the outer conduit is axially divided into first and second sides. A first clean and first dirty flow path are defined within the first side. A first gas-... | 10/21/2008 |
| 7404834 | Ethylene oxide plant operation In an ethylene oxide process, the stripping and reabsorption operations, normally carried out in separate vessels, are carried out in a single vessel which is divided by a baffle into separate sections where reabsorption and stripping are carried out. ... | 07/29/2008 |
| 7334574 | Method and apparatus for increased automobile fuel efficiency An automobile fuel/oil separator including a plurality of gravel particles arranged between a pair of screens is connected with an automobile PCV valve for separating the crankcase oil from the fuel. Evaporative fuel from the fuel tank along with the separated fuel ... | 02/26/2008 |
| 7332010 | High pressure filter/separator and locking mechanism Disclosed is a two or three phase separator including a centrifugal separator, a demister (if a three phase separator), and a filter contained within a housing. The filter uses an outside-in flow principle. The filter includes an inner layer or a center core that de... | 02/19/2008 |
| 7332009 | Separator arrangement for gas/liquid separation; apparatus; and, methods A serviceable gas/liquid separator is provided. The gas/liquid separator has a cross-section with one long axis and one short axis, with an aspect ratio of at least 1.3. A preferred cross-section, is an elliptical cross-section. Assemblies in which the separator uni... | 02/19/2008 |
| 7323023 | Cyclone separator A cyclone separator (14) for use in a suction apparatus (4) of a hand-held power tool (2) includes a dirty air inlet (12), a suction ventilator (38) for aspirating, through a suction opening (8) which is connected with the d... | 01/29/2008 |
| 7309367 | Oil separator An oil separator for separating entrained oil from a gas stream, the separator being arranged on a housing wall which divides a housing interior from a housing exterior. A support tube, which is arranged inside an outer casing and carries a filter element on its out... | 12/18/2007 |
| 7291197 | Particulate trap filter element A filter element has a filter media and at least one base member. The filter element further has a ceramic paste connecting the filter media to the at least one base member. ... | 11/06/2007 |
| 7291196 | Filamentary pad for improved mist elimination and mass transfer An apparatus and method of making a filamentary pad for improved mist elimination and mass transfer comprising a plurality of layers of mesh, each layer of mesh having a plurality of mesh openings defined therein. A plurality of preferential gas flow openings, each ... | 11/06/2007 |
| 7270690 | Separator with vane assembly and filter arrangement The separator has a vane assembly made up of a number of corrugated vanes that provide serpentine paths for the gas stream therethrough. As the gas stream flows through the serpentine paths, it changes direction and liquid in the gas stream impacts the surfaces of t... | 09/18/2007 |
| 7244283 | Filter assembly A grease filter assembly is provided for absorbing airborne grease discharged from a grease discharge vent extending from a roof. A support is mountable to the duct of the grease discharge vent and grease absorbing pads are supportable upon the support frame in stat... | 07/17/2007 |
| 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 |
| 7219648 | Working tool A hand-guided working tool has an internal combustion engine having a crankshaft and a fan wheel driven by the crankshaft. An air cleaning device is provided for cleaning the combustion air for the internal combustion engine. The air cleaning device has a dirt chamb... | 05/22/2007 |
| 7211123 | Apparatus for venting a transmission Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by ... | 05/01/2007 |
| 7179314 | Vacuum cleaner A method for filtering a dirty air stream in a vacuum cleaner to obtain a clean air stream comprises subjecting the dirty air stream to a first cyclonic separation stage to obtain a partially cleaned air stream and subjecting the partially cleaned air stream to an e... | 02/20/2007 |
| 7159582 | Blowby control system and method for an internal combustion engine In an internal combustion engine for a vehicle having a drive clutch, a blowby control system includes a fresh air introducing channel, for introducing fresh air into a crankcase, and a blowby gas return channel for returning blowby gas from the crankcase to an air-... | 01/09/2007 |
| 7115156 | Air filter system A filter system for filtering intake air for a combustion engine, in particular an air filter for a commercial vehicle, having a tubular housing, an inlet situated in the housing through which unfiltered air to be cleaned can be supplied, an outlet situated in the h... | 10/03/2006 |
| 7104403 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/12/2006 |
| 7048782 | Apparatus and process for power recovery Disclosed is a third stage separator which includes two main clean gas outlets. One main clean gas outlet communicates with a power recovery unit such as an expander turbine while the second main clean gas outlet communicates with a conduit that bypasses the expande... | 05/23/2006 |
| 7041159 | Separation apparatus A separation cartridge is disclosed which comprises a first separation medium, a second separation medium, and a frame. The second separation medium is positioned adjacent to the first separation medium. The frame is configured to hold the first and second separatio... | 05/09/2006 |
| 7037359 | Grease containment system A device, system, and method for collecting grease on rooftop exhaust fans, comprising a gasket formed of sorbent material. The gasket is dimensioned for placement between an exhaust fan and a base for the exhaust fan. When placed between the exhaust fan and the bas... | 05/02/2006 |
| 6991664 | Intake system An intake system for the combustion air of a motor of a hand held implement is provided. The system includes an air filter and a centrifugal separator. The air filter has a dirt chamber and a clean chamber that is separated therefrom by a filter medium. The clean ch... | 01/31/2006 |
| 6978773 | Breather system for a motorcycle engine The present invention provides a breather system for a motorcycle engine that has a chamber for collecting blow-by gas. The breather system comprises a manifold portion that has a wider portion and a narrower portion. The manifold portion is arranged to be disposed ... | 12/27/2005 |
| 6965240 | Apparatus and methods for analyzing particles using light-scattering sensors and ionization sensors Apparatus and methods are disclosed for analyzing particles, such as coarse particulates, fine particulates (e.g., diesel particulate matter), and combustion aerosols, using light-scattering sensors and/or ionization-type sensors. In one disclosed embodiment, a part... | 11/15/2005 |
| 6942103 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/13/2005 |
| 6936084 | Filter for the separation of contaminants from gas stream A filter for separating contaminants from a gas stream, including (a) a housing having a housing body and a housing head, the housing head having an inlet for the gas stream to be purified, an outlet and a first sealing surface, and (b) a filter element accommodated... | 08/30/2005 |
| 6929670 | Sand separating apparatus for a thermal sand removal oven An apparatus for the separation of sand from an air stream in a thermal sand removal oven is disclosed. The preferred embodiment of the apparatus comprises a plurality of members comprising two planar members joined to form “V” shaped members. The vertex of the ... | 08/16/2005 |
| 6910245 | Upright vacuum cleaner with cyclonic air path An upright vacuum cleaner with a cyclonic airflow path includes a floor-engaging base unit, a body unit pivotally mounted to the base unit and a motor/fan assembly mounted on one of the base unit or body units. A dirt collecting enclosure is also mounted on the body... | 06/28/2005 |
| 6858051 | Device for separating a fluid from a gas stream With known devices for separating oil in the crank housing ventilator, oil is collected on a refined gas side of a filter, which in operation of an internal combustion engine, often cannot drain off. In this manner, the liquid level increases, so that the filter is ... | 02/22/2005 |
| 6740144 | Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein A device for filtering a dirty air stream in a vacuum cleaner to obtain a clean air stream includes subjecting the dirty air stream to a first cyclonic separation stage to obtain a partially cleaned air stream and subjecting the partially cleaned air stream to an el... | 05/25/2004 |
| 6723149 | Separator for liquids comprising a separating cartridge, particularly for separating oil from crankcase gases A separator for liquid, in particular for removing oil from crankcase gases, having a cover (11) into which a mount (13) for a cylindrical separating cartridge (14) is incorporated. The separating cartridge is composed, for example, of a non-wov... | 04/20/2004 |
| 6482252 | Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein An apparatus for filtering a dirty air stream in a vacuum cleaner to obtain a clean air stream includes subjecting the dirty air stream to a first cyclonic separation stage to obtain a partially cleaned air stream and subjecting the partially cleaned air ... | 11/19/2002 |
| 6391074 | Grease stopper A grease stopper assembly is provided which captures and contains the effluent discharged from the roof vents of commercial cooking facilities. The assembly includes a plurality of two or four hanger assemblies attached to the vent duct curbing lip. A fil... | 05/21/2002 |
| 6146433 | Internal air baffle An air-channeling apparatus for channeling the flow of air into a dirty-air chamber of a dust collector. The air-channeling apparatus having a top baffle member secured with respect to the ceiling of the dust collector, the top baffle member positioned at... | 11/14/2000 |
| 6132693 | Process and device for reducing pollutants, especially nitrogen oxides in combustion exhaust gases A process for reducing pollutants, particularly nitrogen oxides from combustion gases during a combustion process that takes place while oxygen is supplied, includes providing oxygen needed for the combustion process by separating oxygen from a gas mixtur... | 10/17/2000 |
| 6101886 | Multi-stage sampler concentrator Atmospheric Samplers are disclosed using aerogel filter material. The samplers include one or more cascaded impact sample stations with discs of aerogel as the targets. Ambient air carrying particulate matter is introduced into the sampler and the particl... | 08/15/2000 |
| 5833725 | Apparatus for the cleaning of dust laden gas In a filter housing (10) for the cleaning of dust laden, preferably hot gas ceramic filter candles (6) which are closed at one end are positioned in multiple levels one above the other and connected to laterally spaced apart supporting collectors (7). The... | 11/10/1998 |
