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| Number | Title | Issue Date |
| 8137434 | Exhaust gas purification device of internal combustion engine A first intake air control mode of setting an intake throttle valve to (or close to) a fully-opened state and setting an EGR valve to (or close to) a fully-closed state is performed when DPF temperature and a particulate matter deposition quantity are greater than c... | 03/20/2012 |
| 8114190 | Exhaust gas treatment method and system for cement burning facility Method and system for a cement burning facility. When exhaust gas in a part of a preheater or a kiln inlet of a cement kiln is extracted, a cement material is dispersed. The dispersed amount of the cement material is adjusted to maintain the temperature of the extra... | 02/14/2012 |
| 8097066 | Predicting ash loading using an electrically heated particulate filter A control system includes a heater control module, a measured duration module, and a regeneration volume module. The heater control module selectively initiates a regeneration in a zone of a particulate filter in an exhaust system. The measured duration module measu... | 01/17/2012 |
| 8066798 | Method for selecting a gas filtering structure A method for selecting a filtering structure for a gas laden with particulates, said structure comprising a filtering part formed from a porous ceramic material and comprising at least one, and preferably a plurality, of porous walls, said method being characterized... | 11/29/2011 |
| 8038768 | Exhaust gas treatment method and system in cement burning facility An exhaust gas treatment method and system of a cement burning facility, wherein a chlorine concentration of the collected fine powder dust is set in a range of 5 to 20% in such a manner that when a part of exhaust gas is extracted as extracted gas from a lowermost ... | 10/18/2011 |
| 8007565 | Powered air cleaning system and air cleaning method A powered air cleaning system has a flow path extending through the system from an inlet to an outlet. A motor-driven fan is located along the flow path to draw particulate debris laden air into the inlet and rotate it about an axis to form a rotating flow that stra... | 08/30/2011 |
| 7955415 | Natural gas storage apparatus and method of use There is described a storage system and associated methods having increased storage capacity for natural gas or methane. The systems and methods store a larger quantity of natural gas at similar pressures and volumes to conventional storage systems. The systems util... | 06/07/2011 |
| 7947109 | Powered air purifying respirator with battery passivation sensing/correction and method therefor A powered air purifying respirator and method for directing a forced flow of air to a wearer. A battery operatively powers a fan fluidly coupled with the air flow path which exhibits, in some circumstances, a passivation. A voltage delay sensing circuit, operatively... | 05/24/2011 |
| 7883567 | Deaerating and dissolving apparatus, and deaerating and dissolving method The deaerating and dissolving apparatus or the deaerating and dissolving method includes: a pipe which is configured to feed a liquid; a flow rate control section which is provided to a middle portion of the pipe and is configured to feed the liquid at a predetermin... | 02/08/2011 |
| 7875098 | Centrifugal separator for cleaning of gas The invention refers to a centrifugal separator comprising a stationary casing defining an inner space, a spindle and a rotating member, which is attached to the spindle and arranged to rotate around an axis of rotation with a rotary speed. The rotating member compr... | 01/25/2011 |
| 7871455 | Jet engine protection system A modern jet engine inlet protection system that protects against large birds and operates autonomously, that is dormant in routine aircraft operations, that automatically actuates its protective device(s) only at the immediate point of need, then returning it (them... | 01/18/2011 |
| 7846236 | Method for producing oxygen, from air, particularly using an electrochemical cell with ceramic membrane, with control means for continuous production An oxygen generator is controlled to producing oxygen during a period t at a pressure P2 higher than P1, or during a period t′ with a flow rate D2 higher than D1, optionally with a pressure P2 higher than P1. ... | 12/07/2010 |
| 7842121 | System and method for providing aqueous stream purification services A system and method are disclosed for providing aqueous stream purification services. The system includes at least one separation unit. Each separation unit may include a mechanical vapor recompression separator, a steam stripper, and a secondary recovery heat excha... | 11/30/2010 |
| 7811358 | Deaerator and deaerating method The present invention provides a deaerator and a deaerating method which enable the continuous deaeration of a liquid at a low cost. That is, with respect to a pipe which supplies a fluid by a supply means, a rip-out portion which rips out a fluid from an inner peri... | 10/12/2010 |
| 7799115 | System and method for processing high purity materials Systems and methods for processing high purity materials are disclosed. A unit operation processes a material stream, an operational parameter of the unit operation is monitored, and a standby unit is charged with pressurized gas to achieve system pressure. The mate... | 09/21/2010 |
| 7789937 | System and method for recovering ice-clad machinery and equipment Ice-clad machinery and equipment in very cold environments are made more easily recoverable by enclosing the machinery and equipment in an environmentally contained area and introducing desiccant dehumidified air into the contained area to lower the vapor pressure i... | 09/07/2010 |
| 7785396 | Vacuum cleaner with removable dust collector, and methods of operating the same A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various metho... | 08/31/2010 |
| 7736416 | Thermally linked molecular sieve beds for COremoval A carbon dioxide (CO2) removal system includes a first sorbent bed and a second sorbent bed. Each of the first and second sorbent beds has a molecular sieve sorbent for adsorbing or desorbing CO2. One of the sorbent beds adsorbs CO2 ... | 06/15/2010 |
| 7736417 | Method of adjusting an installation for the adsorption treatment of a gas The invention relates to a method of adjusting a unit that is used to control an installation for the adsorption treatment of a gas, comprising: at least a first member and a second member (2, 5, R0, . . . , R9) which receive a gas; a connection... | 06/15/2010 |
| 7708801 | System and methods for treating transient process gas A system and methods of reducing sulfur emissions are provided. In one embodiment, a method for reducing sulfur emissions is provided. The method includes routing at least a portion of an untreated gas to a low pressure absorber, removing at least a portion of sulfu... | 05/04/2010 |
| 7517385 | Gas separation device and method of use A gas separation device for separating oxygen gas from air includes a compressor; a concentrator; a measurement mechanism; and a flow control mechanism that includes a valve assembly for providing fluid flow control, the valve assembly having a motor; a valve body; ... | 04/14/2009 |
| 7462220 | Methods and systems for detecting filter rupture Methods and systems for detecting filter rupture are provided. The system includes a light emitter positioned on a first lateral side of a fluid flow and configured to emit light at a predetermined intensity into the fluid flow downstream from a fluid filter, a ligh... | 12/09/2008 |
| 7442230 | Method and apparatus for generating an inert gas on a vehicle An inert gas generating system for generating inert gas on a vehicle having a fuel tank and a fuel tank vent. The system includes an inlet for receiving a flow of gas having a nitrogen component and an oxygen component from a gas source, a heat exchanger downstream ... | 10/28/2008 |
| 7393390 | Hollow fiber membrane air drier Air is introduced from an intake chamber into a plurality of hollow fiber membranes in a casing. The casing is connected to a vacuum pump via a three-way valve and water vapor in air is evacuated through the membranes. Dehumidified or dried air is discharged from a ... | 07/01/2008 |
| 7393380 | Method of guaranteeing at least one characteristic of a fluid used for producing food products A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for producing the products, in order to use the fluid for producing the products... | 07/01/2008 |
| 7390346 | System and apparatus for producing primary standard gas mixtures Provided is a novel system and apparatus for producing primary standard gas mixtures. The system includes providing a gas permeation device having a constant diffusion rate into a temperature controlled enclosure; connecting a supply source of a component to the per... | 06/24/2008 |
| 7374601 | Air separation system and method with modulated warning flow An inerting system and method characterized by a primary air separation module configured to communicate with an upstream source of pressurized air at elevated temperature for production of a primary downstream flow of nitrogen-enriched air to be delivered to a spac... | 05/20/2008 |
| 7370472 | Method and apparatus for determining loading of an emissions trap by use of transfer function analysis An apparatus comprises an emissions trap and a transfer function device. The transfer function device is configured to determine a transfer function of the emissions trap wherein the transfer function is representative of loading of the emissions trap. An associated... | 05/13/2008 |
| 7368003 | Systems for and methods of providing air purification in combination with odor elimination Systems for and methods of providing air purification and cleaning in combination with odor elimination in a single unit, such as a tabletop unit for home or office use, are disclosed. The air cleaning device includes a housing, an air intake port, an air movement m... | 05/06/2008 |
| 7351273 | Apparatus and method for separating dust constituents out of an explosive dust-air mixture A method and an apparatus (10) for separating dust constituents out of an explosive dust-air mixture which is passed through a filter housing (26) with filter elements having filter surfaces use a dust container (64), which can be connected in a... | 04/01/2008 |
| 7340887 | Method for monitoring a particle filter A particle filter is monitored with a sequence of steps. A pressure loss at the particle filter is measured. The volumetric flow of exhaust gas is acquired and a filter load value is calculated from the pressure loss and the volumetric flow of exhaust gas. The filte... | 03/11/2008 |
| 7337660 | Method and system for reservoir characterization in connection with drilling operations A method for analyzing reservoir fluids in connection with a drilling operation includes determining composition and isotopes of injection fluids injected into a wellbore during a drilling operation and production fluids recovered from the wellbore during the drilli... | 03/04/2008 |
| 7334424 | Air conditioner having independent cooling and purifying paths Disclosed herein is an air conditioner having independent cooling and purifying paths. The air conditioner comprises a body casing formed by assembling a front panel with a rear panel, the front panel having a cooled air discharge opening and one or more suction ope... | 02/26/2008 |
| 7329312 | Apparatus for supplying water containing dissolved gas An apparatus for supplying water containing dissolved gas comprising a flowmeter for measuring a flowrate of pure or ultra-pure water and a mechanism for controlling a flowrate, a means for adjusting an amount of water which adjusts an amount of the pure or ultra-pu... | 02/12/2008 |
| 7326277 | Brake air drying using low pressure desiccant wheel The invention comprises a temperature swing adsorption system for providing dry air to an air brake system. More particularly, there is provided a desiccant wheel upstream of the air compressor to dry air prior to its compression. ... | 02/05/2008 |
| 7323036 | Maximizing regulatory credits in controlling air pollution A controller directs the operation of an air pollution control (APC) system having one or more controllable operating parameters and a defined operating limit representing a regulatory limit on an allowed amount of pollutant to be emitted by the APC system. An inter... | 01/29/2008 |
| 7322184 | Estimation of particulate matter deposit amount in diesel particulate filter A particulate matter deposit amount in a diesel particulate filter (4) provided in an exhaust passage (3) of a diesel engine (1) for a vehicle is estimated on the basis of a pressure loss in the filter (4), which is detected by a differen... | 01/29/2008 |
| 7296399 | Method to generate inert gas from exhaust gas on-site Methods for extracting and compressing an inert gas from an exhaust gas of an engine relate to providing an inert gas processing system including a multi-stage gas compressor to receive the exhaust gas from an exhaust gas processing system, a cooling and extraction ... | 11/20/2007 |
| 7291271 | Meso-frequency traveling wave electro-kinetic continuous adsorption system The invention provides a non-cyclic, meso-frequency traveling wave electro-kinetic system capable of use in purification/separation and/or refrigeration/heat pump processes. In particular, the invention provides an adsorption system that can be used for fine or bulk... | 11/06/2007 |
| 7288137 | Particulate trap A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters.... | 10/30/2007 |
