| Patent application number | Description | Published |
|---|
| 20130323655 | BURNER SYSTEM WITH ANTI-FLASHBACK ELECTRODE - A premixed fuel and air combustion system includes an anti-flashback electrode configured to repel a charge concentration in a combustion fluid and reduce or prevent the flame from flashing back into a mixer. | 12-05-2013 |
| 20130333279 | FLAME ENHANCEMENT FOR A ROTARY KILN - A rotary kiln includes a stationary burner and at least one electrode configured to apply an electric field and/or voltage to a flame supported by the stationary burner. The electric field may contain the flame and/or accelerate combustion to shift most heat transfer from the flame from radiation heat transfer to convective heat transfer. | 12-19-2013 |
| 20130336352 | ELECTRICALLY STABILIZED DOWN-FIRED FLAME REACTOR - A down-fired flame burner includes a flame charger and one or more field electrodes configured to control flame shape and/or heat transfer to a chemical reactor. | 12-19-2013 |
| 20140038113 | ACOUSTIC CONTROL OF AN ELECTRODYNAMIC COMBUSTION SYSTEM - A system is configured to apply a voltage, charge, and/or an electric field to a combustion reaction responsive to acoustic feedback from the combustion reaction. | 02-06-2014 |
| 20140050644 | CHARGE-INDUCED SELECTIVE REDUCTION OF NITROGEN - A selective catalytic reduction system (SCR) or selective non-catalytic reduction (SNCR) system include a reagent charging apparatus configured to apply one or more electrical charges to a NOx reducing reagent. The electrical charges enhance mixing of the reagent with fluids carrying NOx and/or enhance reactivity of the reagent with NOx. | 02-20-2014 |
| 20140051030 | SYSTEM AND SACRIFICIAL ELECTRODE FOR APPLYING ELECTRICITY TO A COMBUSTION REACTION - A sacrificial electrode and sacrificial electrode feeder are configured to apply electricity to a combustion reaction. The electricity can be applied as a voltage, charge, and/or electric field. The sacrificial electrode may be consumed by the combustion reaction. The sacrificial electrode can optionally include a reactant or catalyst selected to interact with the combustion reaction. | 02-20-2014 |
| 20140065558 | ELECTRICALLY STABILIZED BURNER - An electrically stabilized burner is configured to support a combustion reaction such as a combustion reaction substantially at a selected fuel dilution and with a mixing rate selected to maximize the reaction rate without quenching the combustion reaction. | 03-06-2014 |
| 20140162195 | SYSTEM FOR SAFE POWER LOSS FOR AN ELECTRODYNAMIC BURNER - A system may be configured to modify one or more combustion parameters responsive to a loss of application of electrical energy to the combustion reaction. | 06-12-2014 |
| 20140170569 | ELECTRICALLY CONTROLLED COMBUSTION SYSTEM WITH CONTACT ELECTROSTATIC CHARGE GENERATION - A system for electrically controlling a combustion reaction includes a charging mechanism with a surface of a charging material with a work function that is sufficiently different from a work function of a charge carrier material to be capable of undergoing contact electrostatic charging. The charge carrier material is contacted with the charging material to impart an electrostatic charge to the charge carrier material, which is then fed to the combustion reaction to introduce a charge corresponding to the electrostatic charge. An aspect of the combustion reaction is controlled by application, to the combustion reaction, of electrical energy, characteristics of which are selected to interact in a predictable way with the combustion reaction. | 06-19-2014 |
| 20140170576 | CONTAINED FLAME FLARE STACK - A flare stack may be equipped with an electrical energy application system configured to apply electrical energy to a flare stack combustor. The applied electrical energy may be selected to affect flare flame length, flare flame containment, and/or flare flame exhaust gas composition. | 06-19-2014 |
| 20140170577 | BURNER HAVING A CAST DIELECTRIC ELECTRODE HOLDER - A burner may include a dielectric body configured to hold one or more electrodes in proximity to a combustion reaction. The dielectric body may be cast from a refractory material. The one or more electrodes may be cast into the dielectric body. The dielectric body and the electrodes may be configured for installation, removal, and replacement as a unit. | 06-19-2014 |
| 20140234786 | OSCILLATING COMBUSTOR WITH PULSED CHARGER - An oscillating combustor can support a time-sequenced combustion reaction having rich and lean phases by applying a variable voltage charge to a fuel stream or flame that flows adjacent to a conductive or semiconductive flame holder held in electrical continuity with an activation voltage. | 08-21-2014 |
| 20140234789 | OSCILLATING COMBUSTOR - An oscillating combustor may support a time-sequenced combustion reaction having rich and lean phases. The rich and lean phases may be determined according to a flame position relative to a diverging fuel jet. The flame location may be modulated responsive to an interaction between applying a constant voltage or charge rate to a fuel stream or flame, and modulating continuity between a conductive or semiconductive flame holder and an activation voltage. | 08-21-2014 |
| 20140251191 | ELECTRICALLY-DRIVEN CLASSIFICATION OF COMBUSTION PARTICLES - In a combustion system, a charge source is configured to cooperate with a collection plate and a director conduit to cause at least one particle charge-to-mass classification to be reintroduced to a flame for further reaction. | 09-11-2014 |
| 20140255856 | FLAME CONTROL IN THE BUOYANCY-DOMINATED FLUID DYNAMICS REGION - A burner system includes a nozzle configured to emit a fuel stream for the support of a flame, and first and second electrodes, each configured to apply electrical energy to a flame supported by the nozzle. The first electrode is positioned in a momentum-dominated fluid dynamics region of the flame, while the second electrode is positioned in a buoyancy-dominated fluid dynamics region. Application of charges to the flame via the electrodes can be employed to control flame characteristics in the buoyancy-dominated fluid dynamics region, such as shape and position. | 09-11-2014 |
| 20140272731 | FLAME CONTROL IN THE MOMENTUM-DOMINATED FLUID DYNAMICS REGION - A combustion system includes a fuel nozzle and first and second electrodes. An electric charge is applied to a flame supported by the nozzle via the first electrode. An electrical potential applied to an aerodynamic surface of the second electrode. The electrically charged flame reacts to the electrical potential according to the respective magnitudes and polarities of the charge applied to the flame and the electrical potential applied to the aerodynamic surface. Where the polarities are the same, the flame is repelled by the aerodynamic surface, and where the polarities are in opposition, the flame is pulled into contact with the aerodynamic surface by the electrodynamic attraction. | 09-18-2014 |
| 20150024331 | ELECTRIC FIELD CONTROL OF TWO OR MORE RESPONSES IN A COMBUSTION SYSTEM - A combustion system may include a plurality of heated volume portions. At least two of the plurality of heated volume portions may include corresponding respective electrodes. The electrodes may be driven to produce respective electric fields in their respective volumes. The electric fields may be configured to drive desired respective responses. | 01-22-2015 |
| 20150064086 | ELECTRIC REAGENT LAUNCHER FOR REDUCTION OF NITROGEN - A selective catalytic reduction system (SCR) or selective non-catalytic reduction (SNCR) system include a reagent charging apparatus configured to apply one or more electrical charges to a NOx reducing reagent. The electrical charges enhance mixing of the reagent with fluids carrying NOx and/or enhance reactivity of the reagent with NOx. | 03-05-2015 |
| 20150079524 | LIFTED FLAME LOW NOx BURNER WITH FLAME POSITION CONTROL - A low NOx burner includes a charging mechanism to charge a fuel stream or diluted fuel stream. A flame supported by the charged fuel stream can be held at a lifted location corresponding to high fuel dilution. If electrical power is lost or removed, the flame is shifted to a location corresponding to a lower fuel dilution. | 03-19-2015 |
