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| Number | Title | Issue Date |
| 7351274 | Air filtration system control An intense field dielectric air filtration system associated with an air conditioning unit includes a microprocessor based control system which may be connected to the thermostat of the air conditioning unit to energize the air filtration system in response to a cal... | 04/01/2008 |
| 7267711 | Electrostatic precipitator for diesel blow-by A compact electrostatic precipitator is designed specifically for use in connection with eliminating particles from crankcase emissions of a Diesel engine. Such emissions may carry solid soot particles as well as suspended oil droplets. The electrostatic precipitato... | 09/11/2007 |
| 7261765 | Electrostatic precipitator An electrostatic precipitator having a plurality of electrostatic precipitation units positioned within the electrostatic precipitator. Each of the electrostatic precipitation units includes a plurality of negative wire electrodes and a plurality of positive electro... | 08/28/2007 |
| 7258723 | Particulate filter assembly and associated method A particulate filter assembly includes an electrode assembly, a particulate filter positioned in an electrode gap defined between two electrodes of the electrode assembly, a power supply electrically coupled to the electrode assembly, and a controller for controllin... | 08/21/2007 |
| 7122070 | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow A device for handling a fluid includes a corona discharge device and an electric power supply. The corona discharge device includes at least one corona discharge electrode and at least one collector electrode positioned proximate each other so as to provide a total ... | 10/17/2006 |
| 7029520 | Dust collecting apparatus for an air conditioner A dust collecting apparatus for an air conditioner, including an ionizer to electrically charge dust particles in air; and a metal filter having fine metal fibers, disposed at a predetermined distance from a back of the ionizer, the metal filter having a polarity op... | 04/18/2006 |
| 6951582 | Air purifier device An air purifier device includes a fan unit in an electrically conductive housing for drawing ambient air into the housing via an air inlet, and an electrically conductive dust-collecting member in the housing and disposed adjacent to an air outlet. A detecting unit ... | 10/04/2005 |
| 6919698 | Electrostatic fluid accelerator for and method of controlling a fluid flow An electrostatic fluid accelerator includes a first number of corona electrodes and a second number of accelerating electrodes spaced apart from and parallel to adjacent ones of the corona electrodes. An electrical power source is connected to supply the corona and ... | 07/19/2005 |
| 6761752 | Gas particle partitioner A gas particle partitioner (GPP) removes particles from an aerosol with high efficiency and with no or minimum changes to the thermodynamic conditions and chemical composition of the gas phase of the aerosol. A permeable grid electrode surrounds a corona wire and se... | 07/13/2004 |
| 6540812 | Method and system for improved rapper control An improved method and system is provided to control the rapping process used to clean the internal collection plates and discharge electrodes of electrostatic precipitators. The system obtains the performance characteristics of a first rapper and calcula... | 04/01/2003 |
| 5770068 | Multi-phase mixing in a hydraulic jump A stationary hydraulic jump is utilized in a multi-phase mixing system to mix components present in a plurality of separate phases. The flow rate and film height of a liquid phase in a first pipe section is metered and combined with a flow rate metered ga... | 06/23/1998 |
| 5707422 | Method of controlling the supply of conditioning agent to an electrostatic precipitator A method for use in an electrostatic precipitator unit, of controlling, with a view to cleaning an incoming dust-laden gas, the supply of conditioning agent to the incoming contaminated gas upstream of the precipitator unit. The precipitator unit includes... | 01/13/1998 |
| 5556448 | Electrostatic precipitator that operates in conductive grease atmosphere An improved electrostatic precipitator system is provided for use in high-grease atmospheres in which the grease is electrically conductive. The precipitator includes high-voltage insulators that are both located in areas unlikely to accumulate electrical... | 09/17/1996 |
| 5531959 | Automated liquid handling and computer controlled system and method for solid phase chromatographic extractions A method and apparatus for solid phase extraction chromatography is disclosed in which the flow rate of a fluid, such as the motive pressurized gas is monitored, adjusted and compared with a standardized pressure curve which is correlative of a sample bei... | 07/02/1996 |
| 5456741 | Air purifier An air purifier has discharge electrodes which generate a corona emission. These discharge electrodes are disposed within a flow passage provided in the air purifier along with a blower. Also included in the air purifier is a filter which scavenges contam... | 10/10/1995 |
| 5356597 | In-duct flue gas conditioning system The present invention provides a flue gas conditioning system and method for generating conditioning agent used in the removal of entrained particles in a flue gas flow with an electrostatic precipitator. The invention involves the use of a catalytic conv... | 10/18/1994 |
| 5288309 | Flue gas conditioning agent demand control apparatus The present invention relates to a flue gas conditioning agent demand control apparatus for controlling a flow of conditioning agent for removal of entrained particles in a flue gas with an electrostatic precipitator having at least one charging electrode... | 02/22/1994 |
| 5288303 | Flue gas conditioning system A flue gas conditioning system features a self-contained sulfur burner control loop that operates to maintain a constant desired temperature supply of sulfur dioxide in air by varying the rate of supply of sulfur fuel to the sulfur burner, and the absence... | 02/22/1994 |
| 5263317 | Exhaust gas purifying apparatus for automobile diesel engine Disclosed is an exhaust gas purifying apparatus for an automobile diesel engine including a pair of electrodes disposed at a predetermined interval in an exhaust path of an automobile diesel engine, and a high voltage power source for applying a high volt... | 11/23/1993 |
| 5173867 | Multiple rapper control for electrostatic precipitator A multiple rapper control (10) for an electrostatic precipitator for monitoring and individually controlling each of a plurality of rappers based on computer (12) stored rapper characteristics including the voltage type, the voltage level, the pre-set ele... | 12/22/1992 |
| 5163983 | Electronic air cleaner An electronic air cleaner includes discharging electrodes for charging dust particles with a polarity, and dust collecting electrodes of an opposite value for collecting the charged dust particles. The dust collecting electrodes are moved toward and away ... | 11/17/1992 |
| 5114442 | Rapper control system for electrostatic precipitator An improved rapper control system for an electrostatic precipitator for adjusting the power supplied to electromagnetic impact rappers to compensate for known effects of temperature variations on the magnetic coil of the rapper. An ambient temperature sen... | 05/19/1992 |
| 5053914 | Safety circuit for a high-voltage generator of an electrostatic filter A safety circuit arrangement for the high-voltage generator of an electrostatic filter, in particular of an electrostatic soot trap for diesel internal-combustion engines including a grounded filter housing and a filter electrode, has a power supply (15) ... | 10/01/1991 |
| 5017876 | Corona current monitoring apparatus and circuitry for A.C. air ionizers including capacitive current elimination Apparatus for measuring corona current in high voltage A.C. ionizers uses an electrical sensor adjacently spaced from at least one of the discharge electrodes and coupled to electronic circuitry for separating capacitive current from the corona current. I... | 05/21/1991 |
| 4900527 | Appliance for sterilizing containers Apparatus for sterilizing containers, for example open-topped plastic pots for receiving foodstuffs, comprises an aerosol generator which atomizes a liquid sterilizing agent and subsequently entrains the droplets of sterilizing agent in a carrier gas stre... | 02/13/1990 |
| 4808200 | Electrostatic precipitator power supply An electrostatic precipitator is supplied with a d-c voltage of variable level upon which is superimposed a series of voltage pulses. For each voltage pulse, the difference between a positive current-time area and a negative current-time area beneath a cu... | 02/28/1989 |
| 4680036 | Method of automatically controlling an electrostatic precipitator Disclosed is a method for the operation of an electrostatic precipitator so as to provide a pure gas having a predetermined dust content with a minimum consumption of energy. Characteristics for the operation with an unpulsed voltage are recorded for diff... | 07/14/1987 |
| 4626261 | Method of controlling intermittent voltage supply to an electrostatic precipitator In the method of controlling the period length of an intermittent voltage supply to an electrostatic precipitator, a search procedure is carried out at predetermined time intervals or at time intervals determined by one or more continuously monitored/meas... | 12/02/1986 |
| 4624685 | Method and apparatus for optimizing power consumption in an electrostatic precipitator A process for optimizing the power consumption of electrostatic precipitators communicating with a boiler or the like includes a load indexed signal fed forward to a field power controller to approximate the required power levels. An optical transducer is... | 11/25/1986 |
| 4445911 | Method of controlling operation of an electrostatic precipitator A method is disclosed for controlling the DC voltage of an electrostatic precipitator having electrodes energized by a preset DC voltage in which the preset DC voltage has pulses superimposed thereon. According to the method, the pulses are periodically t... | 05/01/1984 |
| 4308494 | Thyristor power controller for an electrostatic precipitator A thyristor power controller for rapidly varying the current delivered to a load and including: a clock circuit for developing a clock pulse for each zero crossing of an AC source, an analog phase circuit responsive to an adjustment current and operative ... | 12/29/1981 |
| 4177045 | Self-acting smoke sorbing device A self-acting device for filtering the smoke commonly associated with cigarettes and cigars includes an ashtray which supports a shroud for confining smoke. The shroud in turn supports a motorized fan which creates a flow of air to carry the smoke. In clo... | 12/04/1979 |
