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| Number | Title | Issue Date |
| 7914596 | Air purifier Behind a front panel of an air purifier are formed guide paths on the right and left sides thereof. A space between the front panel and a filter unit is partitioned by a partition plate into a front panel rear space and a filter unit front space. Part of an airflow ... | 03/29/2011 |
| 7785382 | Exhaust hood with grease absorbing material on a roll A kitchen exhaust air cleaning system includes a dispenser and a receiver, with a supply spool of grease absorbent material provided in the dispenser. Contaminated portions of the web can be selectively removed from the air flow path into the receiver while drawing ... | 08/31/2010 |
| 7572307 | Filter assembly for vacuum cleaner and vacuum cleaner incorporating such assembly A filter apparatus and a vacuum cleaner incorporating the filter apparatus are disclosed. The filter apparatus has a first, fine filter assembly and a second, coarse filter assembly. The fine filter assembly includes a body defining a central aperture in which a ple... | 08/11/2009 |
| 7364601 | Precleaner arrangement for use in air filtration; method; and, air cleaner using same A precleaner arrangement for use in separating a portion of entrained material in air from air entering an air cleaner, is provided. The precleaner arrangement includes a vane structure positioned to direct air into a circular or cyclonic pattern, to facilitate mate... | 04/29/2008 |
| 7354473 | NBC-building protection system and method A combined building air-conditioning unit and NBC protection system, containing an enclosed space housing a building air-conditioning unit and further including a plurality of chambers, a first chamber having an ambient air inlet port, one prefilter and a blower for... | 04/08/2008 |
| 7325750 | Powder coating system with improved overspray collection Powder overspray that is extracted from a spray booth is recovered back to a powder supply that is used to supply powder to the spray guns inside the spray booth. The powder overspray extracted from the booth is separated from the high flow air stream by a separator... | 02/05/2008 |
| 7238216 | Variable flow inertial gas-liquid impactor separator An inertial gas-liquid impactor separator has a variable flow actuator for varying cumulative gas-liquid flow through acceleration nozzle structure in response to a given parameter. ... | 07/03/2007 |
| 7160348 | Mist elimination hood A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of ... | 01/09/2007 |
| 7097693 | Combination depth and phase separation membrane filter A combination depth and phase separation membrane filter to remove entrained liquids and immiscible liquids from hydrocarbon liquids, protecting industrial analyzers from liquid and solid contamination, etc. The preferred embodiment of the present invention contempl... | 08/29/2006 |
| 6950816 | Built in headroom for a preemptive multitasking operating system sizer A method for calculating and recalculating hardware requirements for a database management system computer. One method includes establishing default values for hardware utilization limits such as percent utilization of processors or network interface cards. Working ... | 09/27/2005 |
| 6811585 | Oil mist filter An oil mist filter capable of removing oil mist and separating liquids of low viscosity. A filter section in the oil mist filter is of two-stage construction. The filter section includes a filter body disposed in the upper stage for arresting oil mist and a support ... | 11/02/2004 |
| 6797024 | Air filter for engine An air filter for an engine has an air suction box, and a filter element for dividing the air suction box into an upstream side of an air current and a downstream side of the air current, the upstream side of the suction box being communicated with atmosphere throug... | 09/28/2004 |
| 6676721 | Multistage air cleaner including pulse cleaning system A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel ... | 01/13/2004 |
| 6663698 | Fume extraction apparatus and assembly A fume extraction and filter apparatus includes a housing including a base and a top portion connected to a top side of the base. The base includes an inlet in a side thereof, the inlet leading into the housing and being in flow communication with an outl... | 12/16/2003 |
| 6387156 | Filtration system for collecting and filtering particles and fumes from ablative imaging plates A filtration system, includes a filtration unit and processor. The filtration unit operates to filter ablative particles generated by thermal imaging of media and transmits a signal corresponding to a parameter, such as a pressure or pressure differential... | 05/14/2002 |
| 6387140 | Fluid stream velocity distribution control An arrangement for filtering a particulate-laden fluid stream in a confined flow-through passage which includes a porous filter media extending thereacross and a velocity distribution control member cooperative with said filter media to preselectively con... | 05/14/2002 |
| 6368386 | Filter construction resistant to the passage of water soluble materials; and method The present disclosure relates to systems and methods that use a hydrophobic medium to remove salt and moisture from the intake air of a gas turbine system. The disclosure also relates to systems and methods that use a two stage filtering process to remov... | 04/09/2002 |
| 6280491 | Cartridge filter An apparatus for separating and filtering pollutants from a fluid flow by using inertia to separate a proportion of the pollutants from the fluid flow passing through a constricted passage between a pair of filter elements to an outlet between the filter ... | 08/28/2001 |
| 6123751 | Filter construction resistant to the passage of water soluble materials; and method The present disclosure relates to systems and methods that use a hydrophobic medium to remove salt and moisture from the intake air of a gas turbine system. The disclosure also relates to systems and methods that use a two stage filtering process to remov... | 09/26/2000 |
| 6093227 | Air filter with labyrinth air flow pattern through an air filter insert An air filter apparatus includes a filter body mountable in a support surface. A filter insert is mounted in a bore extending from one end of the body. A labyrinth air flow path is formed between a portion of the exterior surface of the filter body and an... | 07/25/2000 |
| 6055701 | Liquid pick-up appliances for use in surface cleaning or drying An appliance for using suction to pick up liquid includes a collection container (10) with an air/liquid separator (30) arranged at a corner between two adjacent walls (13, 14) of the container and extending obliquely relative to both side walls. The sepa... | 05/02/2000 |
| 6017374 | Gas treatment devices A combined filter and HME has a rectangular housing with an inlet port and an outlet port. A pleated filter element is located in the housing towards the outlet port and an HME element is located towards the inlet port. An oval deflector between the HME e... | 01/25/2000 |
| 5954845 | Apparatus for sampling aerosols An aerosol sampler for use with a source of vacuum. Air is drawn through a perforated hemisphere, directing small particles and aerosols for collection on a filter surface downstream of the hemisphere. A high collection efficiency is demonstrated.... | 09/21/1999 |
| 5782943 | Integrated powder collection system for paint spray booths An integrated powder collection system for paint spray booths is provided for paint spray booths having a floor through which overspray and air are exhausted. The powder collection system includes at least two sloped surfaces disposed beneath the floor fo... | 07/21/1998 |
| 5711776 | Air escaping means A de-aeration device for the separation of solid particles from a gas includes a container with an inlet for the supply of the gas contaminated with particles and an outlet for the purified gas. The cross-section of the container is dimensioned in such a ... | 01/27/1998 |
| 5630855 | Moisture-collecting device A moisture-collecting device comprises an enclosure (12) with a fluid inlet (15), a fluid outlet (16) and a fluid passage (18) extending between the fluid inlet and the fluid outlet, and a moisture-absorbing body (17) disposed in the fluid passage. The mo... | 05/20/1997 |
| 5560120 | Lint handling system An improved lint handling system for a household laundry dryer is provided. The lint handling system for a laundry dryer has a dryer drum with an exit grill. The lint handling system provides a blower speed increaser to increase airflow in the dryer. The ... | 10/01/1996 |
| 5472463 | Pressure side integrated air filter and filtering networks for engines A pressure side integrated air filter assembly for a turbocharged engine includes an air filter carrier which is designed and arranged to receive an air filter element and which is adapted to mount to the intake manifold of the turbocharged engine. The ai... | 12/05/1995 |
| 5409024 | Apparatus for cleaning air brushes A method and apparatus useful for collecting the liquid solvents and paint expelled from an air brush while the air brush is being cleaned. The method and apparatus include direct impact of the expelled fluid against a baffle wall followed by direction re... | 04/25/1995 |
| 5320652 | Steam separating apparatus A liquid-vapor separator for two-phase fluids in general and specifically a steam-water separator in a steam drum of a steam generator includes axial or radial spinner blades to create a centrifugal motion which causes liquid to be forced outward against ... | 06/14/1994 |
| 5242475 | Oil separator and cone inlet diffuser Oil separator assembly for removing and collecting oil entrained in a gas includes a vessel having a cavity with a reservoir formed therein; an inlet pipe extending into the vessel; an inlet diffuser securely attached to the inlet pipe for initially separ... | 09/07/1993 |
| 4946482 | Dust removing apparatus for air cleaner A dust removing apparatus for an intake air cleaner in which the air cleaner is disposed in the vicinity of a passage of a high speed air flow and an opening in a wall of the air passage confronting high speed air flow within the passage. As a result dust... | 08/07/1990 |
| 4831685 | Wet and dry vacuum cleaner A filter, separator and seal arrangement is disclosed for a wet and dry hand held vacuum cleaner. A cup-shaped filter is provided which is elongated to provide a large area for enhancing sustained air performance of the cleaner with the filter being dispo... | 05/23/1989 |
| 4749385 | Method and apparatus for providing clean air A method of providing clean air to a workpiece comprises positioning the workpiece adjacent to a first opening in a conduit. The conduit includes a central segment and a peripheral segment having, respectively, the first opening and a second opening dispo... | 06/07/1988 |
| 4740220 | Dust detection A personal dust spectrometer for aerodynamically classifying and collecting sub-fractions of inspirable dust, has an entry which has an entry efficiency approximating that of the human head during inhalation, and a cascade impactor comprising a stack of s... | 04/26/1988 |
| 4737171 | Portable individual dust collector A portable individular dust collector has a cover which surrounds a rotatable cup. A hood is supported on the cover and houses a prefiltration unit carrying an auxiliary cup containing a filtering foam. The prefiltration unit and said hood define an exter... | 04/12/1988 |
| 4685298 | System for generating braking pressure The system for generating braking pressure, consisting of a pneumatic assistance servomotor (2) mounted so as to overhang on a master cylinder (1) which it actuates by a tubular pullrod component (14) in which extends the control pushrod (11) of the distr... | 08/11/1987 |
| 4648815 | Rotary air compressor with thermally responsive oil injection A rotary air compressor of oil sealed type includes a stator containing a rotor, oil injectors arranged to inject oil into the interior of the stator, an oil sump connected by a first oil pathway to the oil injectors and an oil cooler situated in the firs... | 03/10/1987 |
| 4554701 | Vacuum street sweeper and filter apparatus therefor A motorized vehicular vacuum street sweeper (2) includes a hopper (14), a vacuum system (12) for suctioning debris and depositing same in the hopper (14), and a multi-stage filtration system (16) including a coarse filter above the hopper (14) and two dif... | 11/26/1985 |
| 4531453 | Atmosphere control arrangement for an operator enclosure An atmosphere control system for the cab of a self-propelled combine has its principal components arranged for series flow and mounted compactly on a rear portion of the floor of the cab. A pressurizing blower injects fresh air into an upstream filter cha... | 07/30/1985 |
