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CLEARSIGN COMBUSTION : Researchers Submit Patent Application, "Charged Ion Flows for Combustion Control", for Approval

06/11/2015 | 10:45pm US/Eastern

By a News Reporter-Staff News Editor at Politics & Government Week -- From Washington, D.C., VerticalNews journalists report that a patent application by the inventors KRICHTAFOVITCH, IGOR A. (KIRKLAND, WA); GOODSON, DAVID B. (BELLEVUE, WA); WIKLOF, CHRISTOPHER A. (EVERETT, WA), filed on November 27, 2013, was made available online on June 4, 2015.

The patent's assignee is ClearSign Combustion Corporation.

News editors obtained the following quote from the background information supplied by the inventors: "In electrodynamic combustion control systems (ECC), electrical energy is employed to control various aspects of a combustion reaction. Typically, the electrical energy is applied by electrodes in contact with, or in close proximity to the combustion reaction. For example, one known method is to position a first electrode near or in contact with the combustion reaction and employ a burner nozzle as a second electrode. A voltage is then applied across the combustion reaction between the two electrodes, producing an electrical field extending through the combustion reaction, between the electrodes. As fuel (and/or oxidizer) are emitted via the burner nozzle, an electrical charge is imparted to the fuel. This produces a charge to the combustion reaction whose polarity is opposite that of the first electrode. The position of the first electrode, the polarity and value of the applied voltage, and many other related factors determine the effect of the electrical energy on the combustion reaction."

As a supplement to the background information on this patent application, VerticalNews correspondents also obtained the inventors' summary information for this patent application: "In an embodiment, a system is provided for employing a flow of charged particles to impart a charge to a combustion reaction. The system may include an ionizer configured to provide a flow of charged particles. For example, the system may include an ionizer configured to provide an ion flow having a first polarity. The ion flow is introduced to the combustion reaction at a first location with respect to a burner or fuel source of the combustion reaction. The ion flow can be configured to impart a charge to any of a component of the combustion reaction, the combustion reaction itself, or a product of the combustion reaction. According to an embodiment, the system also includes a first electrode positioned at a second location that is downstream from the first location, and a voltage source operatively coupled to the first electrode. The system may also include a controller operatively coupled to provide one or more electrical signals to the ionizer and the voltage source. The controller is configured to control the combustion reaction by selection of the one or more electrical signals to compel a response by the charged combustion reaction.

"In an embodiment, a method is provided for employing an ion flow to control a combustion reaction. The method includes supporting a combustion reaction at a burner or fuel source. The method also includes applying one or more electrical signals to an ionizer to generate an ion flow having a first polarity. The method further includes introducing the ion flow to the combustion reaction or a component of the combustion reaction at a first location. The first location is at least intermittently upstream with respect to at least a portion of a reaction front of the combustion reaction. The method may additionally include imparting a charge to a reactant of the combustion reaction, the combustion reaction, a product of the combustion reaction, or a combination thereof. The method can also include controlling the combustion reaction by applying one or more electrical signals to one or more electrodes. The electrodes are at respective locations that are downstream from the first location. Because of the charge imparted to the combustion reaction by the ion flow, the combustion reaction responds to the electrical signals in a predictable way, according to the nature of the signal or signals applied and the polarity and strength of the charge imparted to the reaction. Thus, the first electrode can be employed to control the combustion reaction by selection of the one or more electrical signals.

BRIEF DESCRIPTION OF THE DRAWINGS

"FIG. 1 is a block diagram of a combustion system with an ion flow upstream of a reaction front to control a combustion reaction, according to an embodiment.

"FIG. 2A is a block diagram of an ionizer, according to an embodiment.

"FIG. 2B is a block diagram of an ionizer, according to another embodiment.

"FIG. 3 is a block diagram of a combustion system including an ion flow to control a combustion reaction, according to another embodiment.

"FIG. 4A is a block diagram of a combustion system including a plurality of combustion reactions, according to an embodiment.

"FIG. 4B is a block diagram of the system of FIG. 4A in which ion flows are of opposite polarities, according to an embodiment.

"FIG. 5A is a block diagram of a combustion system, according to an embodiment.

"FIG. 5B is a block diagram of the system of FIG. 5A in which the ion flows have opposite polarities, according to an embodiment.

"FIG. 6 is a block diagram of a combustion system including a system for employing ion flows to control the interaction of adjacent combustion reactions, according to another embodiment.

"FIG. 7 is a block diagram of a combustion system, according to another embodiment.

"FIG. 8 is a flow diagram of a method for employing an ion flow to control a combustion reaction, according to an embodiment."

For additional information on this patent application, see: KRICHTAFOVITCH, IGOR A.; GOODSON, DAVID B.; WIKLOF, CHRISTOPHER A. Charged Ion Flows for Combustion Control. Filed November 27, 2013 and posted June 4, 2015. Patent URL: http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=%2Fnetahtml%2FPTO%2Fsearch-adv.html&r=2478&p=50&f=G&l=50&d=PG01&S1=20150528.PD.&OS=PD/20150528&RS=PD/20150528

Keywords for this news article include: ClearSign Combustion Corporation.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2015, NewsRx LLC

(c) 2015 NewsRx LLC, source Government & Education Newsletters

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