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| Number | Title | Issue Date |
| 7332007 | Dusting device with multiple stream nozzles A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multipl... | 02/19/2008 |
| 7326269 | NBC filtration unit providing unfiltered and filtered air paths A filtration unit for use with an environmental control unit (ECU), usually a portable ECU, which includes at least two air flow paths wherein at least one of the air flow paths allows for use of air which has not passed through a nuclear, biological, and chemical (... | 02/05/2008 |
| 7309365 | Vacuum cleaner A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operati... | 12/18/2007 |
| 7264647 | Device for enriching air with oxygen in an aircraft, and a method for operating the device A device for enriching air with oxygen in an aircraft, and a method for operating the device provides product gas enrichment with oxygen with minimum requirements. An oxygen measurement apparatus analyzing the product gas flow as well as a throughput sensor are prov... | 09/04/2007 |
| 7100305 | Air dryer mounting assembly An improved system and method for mounting an air dryer is provided. The improved system and method employs a single centralized special fitting that secures the air dryer manifold to a reservoir. The bore in which the fitting is disposed is used to communicate air ... | 09/05/2006 |
| 7090709 | Safety cabinet for antibiohazard A safety cabinet which can prevent contaminated air from leaking from a working space through the periphery of a front shutter, and which can prevent outside air from entering the working space has a peripheral structure part surrounding the working space formed wit... | 08/15/2006 |
| 7077893 | Hood for a filter ventilator The invention relates to a hood (10) for a filter ventilator, which is connected to an outside wall (40) of a space to be ventilated, in particular the outside wall (40) of a control box, circuit housing, or case for various kinds of devices, an... | 07/18/2006 |
| 7048775 | Device and method for monitoring the integrity of filtering installations The invention concerns a device and method for monitoring the integrity of filtering installations consisting of a filter housing (1) designed to perform integrity tests and for filtration, equipped with a plurality of filter elements (2, 3) and an ele... | 05/23/2006 |
| 7025798 | Tabletop-type air cleaner A personal tabletop-type air cleaner is provided which is user-friendly and can improve smoke sucking efficiency in a simple configuration. The disclosed personal tabletop-type air cleaner has a front opening portion to suck air containing smoke of a cigarette, a bl... | 04/11/2006 |
| 6984252 | Method of and apparatus for collecting dust, development apparatus, and image formation apparatus A dust collection apparatus includes a container and a suction pump that sucks dust and transports it into the container. A filter is provided on a side surface of the container. This filter passes air but prevents passage of the dust in the container. A pressure de... | 01/10/2006 |
| 6951581 | Spin-on desiccant cartridge with integral oil removal filter An air dryer assembly for removing moisture and oil from a compressed air system includes a desiccant material received in a shell for adsorbing moisture as compressed air passes therethrough. A coalescing element is disposed between an inlet and outlet for removing... | 10/04/2005 |
| 6942722 | Air and room cleaning device Air and room cleaning device (1, 21) with a suction motor and a supply of water (8), with a rotating separator which is wetted by the water and through which the air flows and with a control unit (17) which brakes the suction motor (15, 23 | 09/13/2005 |
| 6916362 | Ion transport membrane isolation device An isolation device for one or more ion transport membranes and that has a housing and one or more check valves in communication with one or more passageways extending through the housing to prevent gas flow within the housing and the ion transport membrane(s) upon ... | 07/12/2005 |
| 6773478 | Gravity-induced ash removal system for particulate filters An exhaust system for a diesel engine which includes a particulate filter for filtering a flow of engine exhaust gas includes, as part of the exhaust system, a catch basin for the collection of oxidation by-products from the particulate filter. Important in the desi... | 08/10/2004 |
| 6669758 | Variable inlet air restriction for composition control of product gas A controller system for a molecular sieve device controls a product gas generated by n molecular sieve beds for separating a gas from an input gas supply. A valve assembly with n states has an input receiving the input gas and n outlets. Each valve state ... | 12/30/2003 |
| 6656254 | Full flow mechanical failsafe A full-flow mechanical failsafe (100) is composed of a cylindrical shell (101) having a movable sealing plug (105) therein, for attachment to a filter element (110) of a fluid filtering system, such as a gas clean up system in a power plant. The sealing p... | 12/02/2003 |
| 6655259 | Full flow mechanical fail safe A full-flow mechanical failsafe is composed of a cylindrical shell having a movable sealing plug therein, for attachment to a reaction tube of a fluid treatment system, such as a gas clean up system in a power plant. The sealing plug rests on locking sphe... | 12/02/2003 |
| 6423108 | Air filter for an internal combustion engine An air filter for an internal combustion engine having a housing (10) and a filter element (11) which is arranged in the housing. The housing (10) is provided with a filtered air outlet (15) and at least one untreated air inlet (16) with a screen (17) or ... | 07/23/2002 |
| 6350302 | Air filtration system An air filtration system for filtering smoke from the air. The system includes a filter tank for holding a volume of water. A bulkhead wall therein divides the filter tank into first and second compartments and has a hole therethrough to permit passage of... | 02/26/2002 |
| 6344074 | Ventless air scrubber assembly with multi-stage filters and hood enclosure with great entrapment units A ventless air scrubber assembly for use with a conventional cooking appliance situated within an interior location. A ventilation hood is arrayed in an overhanging manner above the cooking appliance and includes a recessed interior defined by a planar ba... | 02/05/2002 |
| 6251169 | Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining A vacuum/reduced pressure refining vessel (1) is connected, by an upstream duct (5) to a dry dust collector (3) that uses a filter (2). The dry dust collector (3) is connected to a reduced pressure evacuating apparatus (4) by a downstream duct (6), and a ... | 06/26/2001 |
| 6129781 | Air conditioning apparatus with an air cleaning function and electric dust collector for use in the same An air conditioning apparatus with an air cleaning function. In the apparatus, an electric dust collector is provided in the air passage on the rear side of a heat exchanger. A heater for self-cleaning is combined with a dust collector electrode of the el... | 10/10/2000 |
| 6030437 | Gas purifier In a gas purifier, a gas flow is generated by a fan (15) and passed through a filter arrangement (14). A difference (SF) is measured (16, 19) between pollution levels in the gas flow before and after it has passed the filter arrangement (14). A controller... | 02/29/2000 |
| 5925167 | Processes for the scrubbing of noxious substances A method for the scrubbing of noxious substances from an exhaust gas stream from an evacuated process chamber containing a tool for the processing of semiconductor devices. The method comprises directing the stream from the chamber in to a duct containing... | 07/20/1999 |
| 5922130 | Spray booth for applying coatings to substrate A spray booth includes an outer enclosure in which the temperature and humidity of a fluid (such as air) is not controlled and a fluid handling unit within this enclosure, which circulates and controls the temperature and humidity of a smaller volume of t... | 07/13/1999 |
| 5861053 | Solid material collector with detector An environmental air is sucked by the pump with control unit, and organic solvent contained in the environmental air is collected by the absorbent. Organic solvent having passed through the absorbent is detected by the semiconductor gas sensor. If passage... | 01/19/1999 |
| 5709721 | Air handling apparatus for textile machines An air handling apparatus and method for use with textile machines for filtering waste fiber material without adversely interrupting operation of the textile machine is provided. A common vacuum system is configured for drawing first, second and third ind... | 01/20/1998 |
| 5688308 | Electrostatic air cleaning system with air flow sensor The electrostatic air cleaning system is mounted in a duct of a residential or commercial heating and cooling system to remove particles from the circulating air. The electrostatic air cleaning system includes an air flow sensor which turns the air cleane... | 11/18/1997 |
| 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 |
| 5427596 | Diagnostic and control system for dust collector An integrated dust collector diagnostic and programmable control system. A microprocessor-based subsystem interfaces with a dust collector in order to receive information related to operating conditions of the dust collector. The microprocessor executes e... | 06/27/1995 |
| 5240481 | Programmable control and operation equipment of swing pressure adsorption process A programmable control and operation system is applied in a swing pressure adsorption process. The system comprises a computer, a driving device, and a plurality of programmable control valve assemblies. The programmable control valve assembly comprises a... | 08/31/1993 |
| 5236476 | Air purification system for enclosed arenas The invention relates to an air circulation and filtration system for use with an indoor ice-skating arena. The air circulation and filtration system consists of intake and return air panels which replace and simulate in substantially all respects the bou... | 08/17/1993 |
| 4923484 | Method and apparatus for treating exhaust gas for removal of fine particles Fine particles including volatile components and combustible non-volatile components are removed from exhaust gas by a method comprising providing at least two paths for the gas each with a filter capable of trapping the particles and conducting a process... | 05/08/1990 |
| 4895644 | Fluid supply and recirculation system A fluid recirculation and makeup supply system having an alternate purification loop (84) in parallel with a portion of the recirculation loop (26). In the alternate purification mode of operation of the system a predetermined portion of the recirculated ... | 01/23/1990 |
| 4865631 | Vacuum sewage system A waste tank for a vacuum sewage system comprises a top wall having a major portion and also having a generally cylindrical dome structure which projects upwardly from the major portion of the top wall. The horizontal sectional area of the dome is substan... | 09/12/1989 |
| 4863492 | Integrated membrane/PSA process and system A gas separation process and system for integrating a gas permeable membrane system with a multiple bed pressure swing adsorption system to produce a mixed gas product having a preset adjustably controlled gas ratio and a high purity second gas component.... | 09/05/1989 |
| 4790862 | Air cleaning machine An air cleaning machine to be used in houses, offices and so on utilizes an ultraviolet-ray sensor and a gas sensor jointly to combine the characteristics, so that the operation of the appliance becomes extremely smooth. The appliance operates almost imme... | 12/13/1988 |
| 4722746 | Variable volume sampler for aerosols and gases In a method and an apparatus for collecting components of a gaseous medium in a liquid, the gaseous medium is injected into a vessel containing a body of the liquid, below the surface of the liquid and directly into an homogenizer that subjects the bubble... | 02/02/1988 |
| 4687573 | Sorbing apparatus The disclosure describes a sorbing apparatus including at least one chamber having first and second ports and defining a fluid flow path between the first and second ports. The chamber includes a bed of sorbent particles which are bound to one another by ... | 08/18/1987 |
| 4576619 | Dust recovery apparatus Dust recovery apparatus is disclosed which recovers air-entrained dust in a high state of purity. The apparatus comprises a housing capable of sustaining at least slight positive pressure and suitable for accommodating powder processing machinery, an air ... | 03/18/1986 |
