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7625424 |
Air cleaner and shut-down method
An air cleaner is provided according to an embodiment of the invention. The air cleaner includes a high voltage power supply configured to provide a high voltage to a collector cell and a shut-down...
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7497893 |
Method of electrostatic acceleration of a fluid
A method for handling a fluid may be incorporated into the operation of, for example, a corona discharge device and an electric power supply. Such a corona discharge device typically includes at...
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7452403 |
System and method for applying partial discharge analysis for electrostatic precipitator
A system for detecting partial discharge activity in an electrostatic precipitator is provided. The system includes one or more sensors configured to receive and transmit signals representative of...
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7364606 |
Exhaust emission control device
Provided are a hollow inner electrode constituted by an electrically conductive filter capable of capturing particulates, a cylindrical outer electrode circumferentially surrounding the electrode,...
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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...
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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...
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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...
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7097689 |
Process and system for purifying gases
A process and system for purifying an impure gas to produce a purified gas in a gas purification system and protecting the system from damage by a) passing a portion of a first gas stream into a...
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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...
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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...
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6287368 |
Apparatus for the purification of air flue gases, or equivalent
Apparatus for the purification of air, flue gases in which apparatus the air, flue gases or equivalent are directed into a duct, in which apparatus the air, flue gases are ionized, and in which...
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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...
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5639294 |
Method for controlling the power supply to an electrostatic precipitator
Method for controlling, in case of flashover between electrodes in an electrostatic precipitator, the current supply to the electrodes from a controllable high-voltage direct-current source. The...
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5597403 |
Flue gas conditioning system for intermittently energized precipitation
A system for preconditioning flue gas to be treated in an electrostatic precipitator having a set of electrostatic elements and a power supply, which supplies an intermittent power to the...
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5591249 |
Flue gas conditioning method for intermittently energized precipitation
A method is used for preconditioning flue gas to be treated in an electrostatic precipitator having a set of electrostatic elements which are intermittently energized by a power supply. The method...
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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...
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5542964 |
Method of air purification
Air purification system where air is subjected to complex electrical field resulting from a DC voltage and AC frequency in kilovolt and kilohertz range respectively, applied to screen assembly in...
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5471377 |
Process for controlling a power supply which supplies power to an electrostatic filter in which secondary circuit states are determined based on measured primary circuit values and in which short circuits are detected
A filter short circuit is detected when the primary voltage of the high-voltage transformer drops below a specified minimum value and does not rise above the specified minimum value during a...
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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...
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5431714 |
Process for investigating particles situated in a gas
In the process for investigating particles situated in a gas, a gas stream is guided past a miniaturized UV excimer radiator. In this case, the particles are ionized and subsequently filtered out,...
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5401299 |
Air purification apparatus
Air purification system where air is subjected to complex electrical field resulting from a DC voltage and AC frequency in kilovolt and kilohertz range respectively, applied to screen assembly in...
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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...
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5352610 |
Tubular membrane assembly
The invention relates to a reactor in which the gas is introduced by a gas feed pipe by at least one tube membrane. The tube membrane consists of a hollow cylinder with perforations or of a metal...
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5311420 |
Automatic back corona detection and protection system
An automatic back corona detection and protection system (200) is provided for controlling an electrostatic dust precipitator (80). The system (200) includes a subsystem for monitoring voltage and...
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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...
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5221474 |
Transfusion filtering device
A transfusion filtering device for preventing foreign matters from entering into a human body. This transfusion fiber comprises a cylindrical housing, hydrophilic porous hollow fibers disposed in...
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4936876 |
Method and apparatus for detecting back corona in an electrostatic filter with ordinary or intermittent DC-voltage supply
In an electrostatic precipitator for cleansing flue gases from industrial plants, comprising one or more precipitator sections powered from a separate continuous or intermittent DC-voltage electric...
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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...
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4779207 |
SO.sub.3 flue gas conditioning system
An air pollution control system for injecting a conditioning agent into the flue gas of a power generator. The conditioning agent changes the resistivity of particulate matter in the flue gas,...
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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...
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4626260 |
Method of controlling the pulse frequency of a pulse operated electrostatic precipitator
A method of controlling the pulse frequency of an electrostatic precipitator energized by a pulse superimposed direct voltage, is disclosed in which, for a given direct and/or pulse voltage, the...
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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...
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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...
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4521223 |
Method for determining the existence of an optimal interval for rapping the electrodes of an electrostatic precipitator
A method for operationally determining the existence of an optimal rapping interval for the collector electrodes of an electrostatic precipitator comprises the comparison of the current-voltage...
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4416671 |
Method of optimizing the collection efficiency of an electrostatic precipitator
A method of optimizing the collection efficiency of a dry-process electrostatic precipitator which is preceded by an evaporative cooler, wherein liquid is sprayed into the evaporative cooler at a...
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4354860 |
Method for determining the filter current limit of an electrostatic filter
The automatic recording of the current-voltage characteristic of an electrostatic filter in which the characteristic obtained upon stepwise variation of the control is displayed to the operating...
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4290003 |
High voltage control of an electrostatic precipitator system
There is provided a precipitator system including a voltage controller which produces from an alternating power source a variable output. This variable output drives a high voltage converter which...
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3527022 |
ELECTRICAL CONTROL METHOD AND APPARATUS
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3048955 |
Automatic control for energizing electrical precipitators and method thereof
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