Gas purification device
AssigneeAccentus PLC
InventorsStephen Ivor Hall, Michael Inman, David Raybone, David Michael Weeks
Life of this patent
Estimating the term…
Abstract
A reactor particularly for the plasma treatment of internal combustion engine exhaust gases, in which a power supply and reactor bed are connected directly and enclosed in an earthed metal chamber which both isolates the high voltage power supply and acts as a Faraday cage preventing the emission of electromagnetic radiation from the power supply or plasma.
Claims22
A reactor for the processing of a gaseous medium, including a reactor bed, means for constraining a gaseous medium to be processed to flow through the reactor bed, a power supply unit for generating a potential and connected to apply the said potential across the reactor bed, said potential being sufficient to excite an electric discharge in the gaseous medium flowing through the reactor bed, said reactor bed and said power supply unit being adjacent and connected directly together electrically, wherein a casing for the reactor bed and the power supply unit provides therefor an electrically conducting enclosure adapted to be maintained at ground potential.
A reactor for the processing of a gaseous medium, including a reactor bed, means for constraining a gaseous medium to be processed to flow through the reactor bed, a power supply unit for generating a potential and connected to apply the said potential across the reactor bed, said potential being sufficient to excite an electric discharge in the gaseous medium flowing through the reactor bed, said reactor bed and said power supply unit being adjacent and connected directly together electrically, wherein the reactor bed comprises a cylindrical body of gas permeable dielectric material contained between an inner gas permeable electrode and an outer gas permeable electrode, said outer electrode being connected to ground and said inner electrode being connected directly to the power supply unit and the reactor being adapted for the gaseous medium to pass radially through the reactor bed, and wherein a casing for the reactor bed and the power supply unit provides therefor an electrically conducting enclosure adapted to be maintained at ground potential.
A reactor for the processing of a gaseous medium, including a reactor bed, means for constraining a gaseous medium to be processed to flow through the reactor bed, a power supply unit for generating a potential and connected to apply the said potential across the reactor bed, said potential being sufficient to excite an electric discharge in the gaseous medium flowing through the reactor bed, said reactor bed and said power supply unit being adjacent and connected directly together electrically, wherein the reactor bed comprises a cylindrical body of gas permeable dielectric material contained between an inner non-permeable electrode and an outer non-permeable electrode, said outer electrode being connected to ground and said inner electrode being connected directly to the power supply unit, and the reactor being adapted for the gaseous medium to flow axially through the reactor bed, and wherein a casing for the reactor bed and the power supply unit provides therefor an electrically conducting enclosure adapted to be maintained at ground potential.
A reactor for the processing of a gaseous medium, including a reactor bed, means for constraining a gaseous medium to be processed to flow through the reactor bed, a power supply unit for generating a potential and connected to apply the said potential across the reactor bed, said potential being sufficient to excite an electric discharge in the gaseous medium flowing through the reactor bed, said reactor bed and said power supply unit being adjacent and connected directly together electrically, wherein the reactor bed comprises a cylindrical body of gas permeable dielectric material contained between an inner non-permeable electrode and an outer non-permeable electrode, said outer electrode being connected to ground and said inner electrode being connected directly to the power supply unit, and the gaseous medium being constrained to flow axially through the reactor bed, the reactor bed and the power supply unit being enclosed in an electrically conducting enclosure adapted to be maintained at ground potential, the reactor bed being positioned within said enclosure by gas permeable supports which are made of a ceramic material which has catalytic properties with respect to constituents of the gaseous medium to be processed within the reactor.
A reactor for the processing of a gaseous medium, including a reactor bed, means for constraining a gaseous medium to be processed to flow through the reactor bed, a power supply unit for generating a potential and connected to apply the said potential across the reactor bed, said potential being sufficient to excite an electric discharge in the gaseous medium flowing through the reactor bed, said reactor bed and said power supply unit being adjacent and connected directly together electrically, wherein the reactor bed and the power supply unit have electrically conducting material therearound adapted to be maintained at ground potential.
Dependencies are inferred from the claim text.