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7621978 |
Filter timer
A timer that starts a time cycle when a filter is placed into a housing is disclosed. The timer cycle will not reinitiate a new time cycle when the previously used filter is removed from the...
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7611567 |
Exhaust gas purifying apparatus for internal combustion engine
An exhaust gas purifying apparatus for an internal combustion engine includes a particulate filter for trapping particulates found in the exhaust gases of the engine. The regeneration process for...
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7582141 |
Diesel particulate filter pulse cleaner flow director system and method
A cone ( 36 ) and a ring ( 38 ) are accessories separately used during respective phases of cleaning a diesel particulate filter ( 10, 10 ′) in a cleaning machine that uses compressed air pulses...
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7445660 |
Method for operating gas generators in tandem
A gas generating system (S) has a plurality of product gas generating modules ( 18 ) each of which comprises a plurality of molecular sieve beds (bed 1 , bed 2 ) generating a product gas acting...
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7396390 |
Oxygen enrichment apparatus
An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit....
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7306645 |
Method for controlling air purifier by using biorhythm
Method for controlling an air purifier by using biorhythm including a first step of calculating total number of days (Delta_Time) a person in a room has lived by using the present year/month/date...
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7261762 |
Technique for detecting and predicting air filter condition
A method and system for detecting and predicting air filter condition for an air handling system operates by determining a system resistance to air flow. The system resistance is utilized to...
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7153347 |
Device and method for controlling air cleaning operation of air conditioner
The present invention provides device and method for controlling air cleaning operation, in which an air conditioner with an air cleaner is made to clean air effectively proper to different...
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7108736 |
Method of installing a molecular sieve bed gas-enriching system
A method of installing a molecular sieve bed gas enrichment system in a vehicle such as an aircraft. A system controller, a product gas distribution conduit, a high pressure gas supply conduit...
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7025802 |
Filter control method, and filter controlled by the method
A filter maintenance monitoring method and a filter maintained thereby are provided, by which re-use of the filter by wash is smoothly and efficiently promoted. The filter includes that loaned from...
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7025810 |
Method and apparatus for shutting down a fuel-fired burner of an emission abatement assembly
A method of operating a fuel-fired burner of an emission abatement assembly includes supplying a reduced amount of fuel to the fuel-fired burner in response to detection of a burner shutdown...
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7018444 |
Process for carbon dioxide recovery from a process tool
A system for removing and purifying a carbon dioxide-containing stream from a batch process tool is provided. A multi-phase contaminated stream containing at least carbon dioxide and one or more...
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6984256 |
System for collecting and filtering imaging by-products
An operational state of a system for filtering imaging by-products from an airflow is monitored by comparing a measurement of the flow rate of the airflow to a threshold. Additionally, an...
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6942717 |
Venturi effect material return system of a material collection system and appertaining method
A material return system of a material collection system and appertaining method permits fine material collected in a fine material collector to be returned to a main debris tank by taking...
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6887299 |
Air improver and method for air improvement in spaces
An air improver device and method for air improvement in spaces. The device for air improvement for an air-conditioning system comprises a metering mechanism which carries out a controllable...
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6865780 |
Method of and apparatus for controlling the suction in a thread-breakage suction unit of a textile machine
A method and a device for controlling the suction, by speed alteration of a blower motor, in a unit for suctioning away thread breakage in a textile machine. A standard speed of the blower motor...
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6827760 |
Method and system for providing a desired atmosphere within an enclosure
A system and method for passive hypoxic training provides a person with a low oxygen (hypoxic) environment. Oxygen sensors automatically monitor and control oxygen levels to maintain the altitude...
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6733568 |
Method of controlling a plant for processing a gas by adsorption and corresponding processing plant
A method of controlling a plant for processing a gas by adsorption, with N adsorbers R1 to R0 and variable N phase times. The method utilizes a mobile parameter for identifying the operating state...
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6660070 |
Air purifier
An air purifier includes a cabinet, an electrically driven fan, a replaceable filter element, and an air quality sensor. A display provides a visual indication of the air quality condition. A...
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6632269 |
Furnace filter assembly
A furnace filter assembly for removing dirt and contamination from air entering an existing furnace is installable on the existing furnace without the need for modification thereof, and includes a...
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6620222 |
Computer air filtering system
A system for filtering air entering the housing of a computer. A filter is placed in the path of air entering the computer housing. A timing program is installed on the computer to keep track of...
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6616736 |
Air purifier
An air purifier ( 10 ) is provided having a housing ( 11 ) having a grilled air inlet ( 12 ), a grilled air outlet ( 13 ), and a control panel ( 14 ). The air purifier ( 10 ) also includes a...
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6565624 |
Altitude simulation method and system
A system and method for passive hypoxic training provides a person with a low oxygen (hypoxic) environment. Oxygen sensors automatically monitor and control oxygen levels to maintain the altitude...
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6464754 |
Self-cleaning air purification system and process
An economical air purification system and process that greatly reduces concentrations of dust and noxious gases to provide for a cleaner and healthier enviroment for people, plants, poultry and...
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6454834 |
Regenerable air cleaning device
A regenerable air cleaning device is disclosed which comprises a filter holder supporting a regenerable filter that includes activated carbon fibers (ACF) and a control system that is adapted to...
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6391102 |
Air filtration system with filter efficiency management
A filtration system for trapping airborne contaminants as exemplified in evacuating smoke generated during a surgical procedure wherein operation efficiency thereof is automatically reported in...
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6284020 |
Method of maintaining cleanliness of substrates and box for accommodating substrates
A method of maintaining cleanliness of substrates including a first step for accommodating at least a piece of substrate having a gaseous impurity-trapping filter arranged close thereto in a...
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6235961 |
Process for pretreating cracked gas before caustic tower treatment in ehtylene plants
An inline, high-shear mixer is provided in a cracked gas stream upstream of a caustic tower in an ethylene production unit. Spent caustic is withdrawn from the bottom of the caustic tower and...
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6193783 |
Apparatus and method for supplying a process solution
A process solution supplying apparatus including a solution source from which a process solution is supplied, a supply pipe having an upstream end and a downstream end and connected at the upstream...
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6168646 |
Flow rate control of temperature control fluids
Electronic equipment having a temperature control air flow passage. A length of filter material has a length portion extending across the upstream end of the flow passage, the filter material being...
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6077330 |
Air drying device for a pneumatic system
Device and method for the regeneration of a drying agent in compressed air system. The wetting degree of the drying agent is estimated and recorded by a control unit. The control unit ensures that...
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6036757 |
Portable room air purifier
A portable air purifier including a housing defining an air inlet, an air outlet and an air flow passage extending therebetween; a filter mechanism disposed to filter air circulating through the...
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6024780 |
Method and apparatus for degassing a fluid in a reusable vaccum chamber with microprocessor based controls
An automatic apparatus for substantially reducing gas levels in a fluid is provided. The apparatus comprises: (a) an upper portion comprising a reusable vacuum chamber with a resealable opening...
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5914453 |
Air handler filter monitoring apparatus
A monitoring apparatus for alerting an operator to the need to change a temperature control system filter includes a mechanism for selecting and setting a primary period of filter use to assure...
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5871562 |
Air conditioning odor control apparatus and method
An apparatus and method for introducing a liquid substance into air flowing into an environment includes a main container for containing a reservoir of the liquid substance, and exhaust fan for...
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5843206 |
Device for and method of unclogging filters
A device for unblocking filters by means of bursts of gas. The gas is kept in a tank (7) and supplied to filter-unclogging lances by lines (8). Each line (8) accommodates several valves (11 & 12)...
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5711785 |
Method and apparatus for controlling the cleaning cycle of air filter elements and for predicting the useful life thereof
A method and apparatus are disclosed for cleaning filter elements, such as filter bags in a plurality of baghouses and for predicting the useful life of such filter elements in individual...
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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...
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5531807 |
Apparatus and method for supplying oxygen to passengers on board aircraft
An apparatus and method for supplying oxygen to passengers on board an aircraft in the form of a portable machine including a housing having a shape and size allowing it to be positioned under a...
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5531798 |
Eliminating ash bridging in ceramic filters
In the filtering of high temperature (e.g. greater than 400° C.) and high pressure (e.g. greater than 5 bar) gas--such as produced by pressurized fluidized bed combustion or gasification of...
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5378266 |
Air dryer system
A compressed air system includes an air drying subsystem which can be configured either in an intermittent mode, in which a separate purge volume intermittently purges the desiccant used by the air...
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5305232 |
Chromatography system
A system (method and apparatus) for optimizing the relationship between resolution and time in chromatograms, especially chromatograms obtained by supercritical fluids (CSF) chromatography. The...
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5207806 |
Dual product pressure swing adsorption and membrane operations
The waste gas of PSA-air separation operations is passed to a membrane system for enhanced recovery of a second product. By capturing the portion found to contain a high concentration of either...
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5163978 |
Dual product pressure swing adsorption process and system
By capturing the portion found to contain a high concentration of either oxygen or nitrogen in the non-primary waste stream from a PSA-air separation operation, a high purity second product stream...
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5154737 |
System for eliminating air leakage and high purity oxygen of a PSA oxygen concentrator
A first compressor (10) supplies air under pressure to a first stage pressure swing adsorption system (D) which separates oxygen and argon from atmospheric air. A second stage pressure swing...
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5122164 |
Process for producing oxygen enriched product stream
A two bed pressure swing adsorption process is disclosed having high yield and high production rate. The process utilizes fine or normal size zeolite sieve material and relatively short cycle...
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5084075 |
Vacuum swing adsorption process for production of 95+% N.sub.2 from ambient air
A method is described for recovering nitrogen from air in a three bed vacuum swing adsorption technique in which the beds are not rinsed with nitrogen gas before recovering a nitrogen recycle...
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5082474 |
Pressurization PSA systems for the production of high purity product gas
Processes for the production of an inert gas-rich product gas from pressure swing adsorption are provided wherein the pressurization step is carried out by the use of feed gas only in a two step...
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5080694 |
Process for helium recovery
A method is provided for the extraction of hellium of high purity, and high yield, with intermediate enrichment in refrigerating plants, from gases containing very low helium concentrations, by an...
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5074893 |
Fluid adsorption system
A fluid adsorption system is provided with a waste saving valve interconnecting companion adsorption beds of the system at the inlets for the adsorption beds. A solenoid control is also provided to...
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