Electric heating – Metal heating – By arc
Reexamination Certificate
2005-03-29
2005-03-29
Walberg, Teresa J. (Department: 3742)
Electric heating
Metal heating
By arc
C219S121550
Reexamination Certificate
active
06872909
ABSTRACT:
Plasma ignition and cooling apparatus and methods for plasma systems are described. An apparatus can include a vessel and at least one ignition electrode adjacent to the vessel. A total length of a dimension of the at least one ignition electrode is greater than 10% of a length of the vessel's channel. The apparatus can include a dielectric toroidal vessel, a heat sink having multiple segments urged toward the vessel by a spring-loaded mechanism, and a thermal interface between the vessel and the heat sink. A method can include providing a gas having a flow rate and a pressure and directing a portion of the flow rate of the gas into a vessel channel. The gas is ignited in the channel while the remaining portion of the flow rate is directed away from the channel.
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Communication Relating to the Results of the Partial International Search for International Patent Application No. PCT/US04/011183, date of mailing Oct. 13, 2004, 11 pages.
Besen Matthew M.
Chen Xing
Collins, Jr. Ronald W.
Cowe Andrew B.
Holber William M.
Applied Science and Technology Inc.
Proskauer Rose LLP
Walberg Teresa J.
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