Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7431752 | Air purifier with Ozone reduction arrangement An air purifier includes an outer case having an air purifying cavity, an ionizer module, and an ozone reduction module. The ionizer module includes a power unit and an ionizing electrode. The ozone reduction module is electrically connected to the power unit for ge... | 10/07/2008 |
| 7300496 | Methods and apparatus for air pollution control A method for filtering particle-laden gas includes electrostatically precipitating particles from the particle-laden gas to produce a gas having residual particulates, agglomerating the residual particulates, and using a fabric filter to filter the agglomerated resi... | 11/27/2007 |
| 7270697 | Electrostatic precipitator Electrostatic precipitators, including wet electrostatic precipitators, having a bank of conductive tubes which receive a gas stream having entrained particulates and an electrode connected to an electric current, wherein the tubes each include an internal restricti... | 09/18/2007 |
| 7160358 | Pollution control in wood products dryer Contaminant laden gas streams from wood product dryer operations, and other sources, are purified. The gas stream first is saturated with moisture by contacting the gas stream with fine liquid droplets which entrain particulates. The gas stream then is subjected to ... | 01/09/2007 |
| 7025806 | Electrically enhanced air filtration with improved efficacy A filter assembly particularly useful in electronically enhanced air cleaning systems including a fibrous filter media. A conductive electrode is affixed to the fibrous filter media, so that the conductive electrode makes physical contact to the fibrous filter media... | 04/11/2006 |
| 6974494 | Apparatus and method using an electrified filter bed for removal of pollutants from a flue gas stream Pollutants in a flue gas stream from a dryer of products, such as wood chips, are removed by a pollution abatement system that includes an electrified filter bed unit for removing solid particulates. To prevent deteriorated operation of the electrified filter bed un... | 12/13/2005 |
| 6955075 | Portable liquid collection electrostatic precipitator A portable liquid collection electrostatic collection precipitator for analyzing air is provided which is a relatively small, self-contained device. The device has a tubular collection electrode, a reservoir for a liquid, and a pump. The pump pumps the liquid into t... | 10/18/2005 |
| 6436170 | Process and apparatus for removing particles from high purity gas systems An apparatus for removing particles from a gas in a high purity flowing gas system is provided which includes a flow tube inserted inline in the flowing gas system having an inlet and an outlet, a pressure sealed, electrically insulated feed-through integ... | 08/20/2002 |
| 6074458 | Method and apparatus for separation of unburned carbon from flyash Apparatus and method for separating carbon particles from flyash includes one of increasing a relative humidity of the flyash or decreasing the relative humidity of the flyash to within an optimum humidity range, and introducing the flyash within the opti... | 06/13/2000 |
| 5980610 | Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO2 to SO3 An apparatus and process that utilize a low temperature nonequilibrium plasma reactor, for improving the particulate removal efficiency of an electrostatic precipitator (ESP) are disclosed. A portion of the flue gas, that contains a low level of SO2 | 11/09/1999 |
| 5855652 | Aerosol collector and concentrator Apparatus is disclosed for rapidly collecting aerosols containing solid particles and micro organisms, such as viruses and bacteria, from relatively large volumes of air and concentrating these particulates as samples in water. This apparatus operates und... | 01/05/1999 |
| 5827352 | Method for removing mercury from a gas stream and apparatus for same A method for removing mercury from a gas stream. In the method, sorbent is injected into the gas stream. Water is dispersed into the gas stream to create a cooled gas stream. The cooled gas stream is allowed to dwell with the sorbent in a chamber to remov... | 10/27/1998 |
| 5792238 | Fine-particulate and aerosol removal technique in a condensing heat exchanger using an electrostatic system enhancement An integrated flue gas treatment condensing heat exchanger having a particle charger located upstream of the second stage heat exchanger of the system for improved cleaning of flue gas and increased removal of fine particulate matter.... | 08/11/1998 |
| 5690898 | Process for treating effluent from a supercritical water oxidation reactor A method for treating a gaseous effluent from a supercritical water oxidation reactor containing entrained solids is provided comprising the steps of expanding the gas/solids effluent from a first to a second lower pressure at a temperature at which no li... | 11/25/1997 |
| 5665142 | Flue gas conditioning system and method using native SO2 feedstock A flue gas conditioning system and method generates and introduces sulfur trioxide into flue gas produced by a boiler to condition the flue gas before it passes through an electrostatic precipitator. Flue gas is withdrawn from the flue duct which couples ... | 09/09/1997 |
| 5562755 | Process for the treatment of langbeinite and anhydrite containing kieserite concentrates A process for after-purifying a kieserite mixture pre-concentrated electrostatically across a number of stages is characterized in that the outside air used in the after purification stage is adjusted by dehumidification in a conventional dehumidification... | 10/08/1996 |
| 5470556 | Method for reduction of sulfur trioxide in flue gases The invention is a method for reduction of sulfur trioxide in flue gases which includes (a) combusting air and petroleum coke in a combustion zone to produce a particulates, sulfur trioxide, and sulfur dioxide-containing combustion product gas; (b) passin... | 11/28/1995 |
| 5224971 | Method and apparatus for separating isotopes In a typical method of separating isotopes, a linear material is fed between electrodes arranged in a vacuum vessel. Joule heat is generated by supplying a current to the linear material. A vapor flow is produced by heating and evaporating the linear mate... | 07/06/1993 |
| 5074226 | Flue gas conditioning system A gas conditioning system for reducing the electrical resistance of finely-divided fly ash particles entrained within a flue gas stream resulting from the burning of low sulfur coal and for enhancing the removal of the fly ash particles by electrostatic p... | 12/24/1991 |
| 4872887 | Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate A method is provided for enhancing the efficiency of fly ash collection in an electrostatic precipitator by lowering the resistivity of the fly ash particles in the flue gas, comprising the steps of introducing an aqueous solution of ammonium sulfate or a... | 10/10/1989 |
| 4813978 | Process for separating particles and apparatus for carrying out the process In the separation of particles, these are heated together with a gaseous carrier medium. Constitutents of these particles thus vaporize, are cooled in a cooler (21) and condense out. An apparatus for carrying out this process comprises a fan (1) and a hea... | 03/21/1989 |
| 4750916 | Method and arrangement for cleansing a flow of hot contaminated gas The invention relates to a method and an arrangement for cleansing a flow of hot contaminated gas (1), in which the contaminants comprise both dust particles and gaseous condensable contaminants. The gas is cooled in a heat exchanger in a first stage (2) ... | 06/14/1988 |
| 4696679 | Method for cleaning gas produced from solid carbonaceous material in a two-stage gas producer The present invention cleans gas produced from solid carbonaceous materials in a two stage gas producer. Second stage gas from the gas producer is passed through a first precipitator to remove oil mist and particulates from the second stage gas. First sta... | 09/29/1987 |
| 4650647 | Apparatus for removing acid constituents from waste-gas An apparatus for removing acid constituents such as HCl and/or SOx from the waste-gas generated by furnaces,incinerators and the like wherein the calcium-containing powder material is blown into a waste-gas duct to form a lean fluidized flow un... | 03/17/1987 |
| 4569682 | Process for removing solids from a gas containing the same An electrically resistive flocculating agent is added to electrically conductive solid fines recovered from an electrofiltration zone. The dry flocculated solid fines including the flocculating agent are recycled to the electrofiltration zone in which a g... | 02/11/1986 |
| 4547351 | Flue gas desulfurization A process and apparatus for removing sulfur oxide from combustion gas to form Na2 SO4 and for reducing the harmful effects of Na2 SO4 on auxiliary heat exchangers in which a sodium compound is injected into the ... | 10/15/1985 |
| 4439351 | Use of anionic or cationic polymers to lower the electrical resistivity of fly ash The instant invention is directed to a process for lowering the electrical resistivity of fly ash comprising adding a cationic or anionic polymer to the fly ash.... | 03/27/1984 |
| 4391207 | Method of conditioning exhaust gases from coal firing The present invention relates to operation of a rotary kiln plant utilizing electrostatic precipitators. Specifically, this invention is directed to a method for conditioning exhaust gases from a burning process in a rotary kiln in which mineral materials... | 07/05/1983 |
| 4384968 | Electrostatic precipitator efficiency enhancement Method for enhancing the removal of particles from a particle-laden gas stream utilizing an electrostatic precipitator, which comprises treating the gas with morpholine or derivatives thereof. Treated particles are found to also have desirable flow charac... | 05/24/1983 |
| 4352747 | Method to lower fly-ash resistivity A mixture of an alkyl amine, e.g., tri-n-propylamine and an SO3 -containing acid, preferably, sulfamic acid is injected into the flue gas stream of a coal-fired utility boiler to reduce the electrical resistivity of the fly-ash particles and to... | 10/05/1982 |
| 4345916 | Means and method for removing airborne particulates from an aerosol stream Disclosed herein is a method for removing airborne particulates from an aerosol stream by first humidifying said aerosol with steam, and then cooling said aerosol with water to saturation temperature. Thereafter, the saturated aerosol is adiabatically coo... | 08/24/1982 |
| 4306885 | Method of conditioning flue gas The collection characteristics of particles entrained in a particle-laden gas for collection by an electrostatic precipitator are improved by injecting finely divided sodium and ammonium phosphate salts into a particle-laden gas stream formed by the burni... | 12/22/1981 |
| 4283223 | Process for treating smoke from steel plants A process for treating smoke from steel plants coming from blast furnaces, electric furnaces, converters and cupola furnaces. The process of the invention consists first of all in separating, when hot, the iron and iron oxide dust from the smoke by contact wit... | 08/11/1981 |
| 4256703 | Fly ash collection To a coal-fired furnace that uses electrostatic precipitation or a mechanical collector to collect fly ash, a mix of magnesia-alumina or magnesia-talc is added above the fireball (2600°-3300° F.). The additive increases the mean particle size of the fly... | 03/17/1981 |
| 4243635 | Waste incinerator exhaust gas treatment and apparatus The disclosed treatment is for the removal of hydrogen halide constituents of an exhaust gas by means of a dry scrubbing agent to which the gas binds. The agent is sprayed into the gas in finely divided form just prior to flow of the gas through a registe... | 01/06/1981 |
| 4238203 | Method of enhancing the effectiveness of electrostatic precipitators used with gas streams formed from burning fuel The effectiveness of electrostatic precipitators, and particularly existing electrostatic precipitator installations, is enhanced by introducing into the gas stream in advance of the precipitator a spark-inhibiting additive, and then increasing the voltag... | 12/09/1980 |
| 4208192 | Sonic spray of H2 SD4 in a swirling heated air stream In order to reduce the electrical resistance of entrained fine particles of fly ash resulting from the burning of low sulfur coal and to enhance the efficiency of their collection by an electrical precipitator means, there is a conditioning of the particl... | 06/17/1980 |
| 4208383 | Process and apparatus for the absorptive removal of pollutants from waste gases Waste gases are purged by adding to the gas while it flows through an abser a neutralizing agent together with water and then subjecting the gas to cooling so as to evaporate the added liquid. The adsorption then results in a reaction with the neutralizi... | 06/17/1980 |
| 4137750 | Method and apparatus for analyzing trace components using a gas curtain Apparatus for analyzing trace components contained in a sample gas. The sample gas is directed into a reaction chamber and ionized. The resultant trace ions are drifted by an electric field, out of the sample gas, through an inert gas curtain and then thr... | 02/06/1979 |
| 4113447 | Method of conditioning flue gas The collection characteristics of particles entrained in a particle-laden gas for collection by an electrostatic precipitator are improved by injecting finely divided sodium bisulfate into a particle-laden gas stream formed by the burning of coal while th... | 09/12/1978 |
