The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 09, 2019

Filed:

Jan. 02, 2018
Applicants:

General Electric Company, Schenectady, NY (US);

Wisconsin Alumni Research Foundation, Madison, WI (US);

Inventors:

Timothy John Sommerer, Ballston Spa, NY (US);

David John Smith, Clifton Park, NY (US);

Joseph Darryl Michael, Delmar, NY (US);

Steven Charles Aceto, Wynantskill, NY (US);

Kirk Ernest Marquard, Burlington, CT (US);

Jason Fredrick Trotter, Glenville, NY (US);

James E. Lawler, Madison, WI (US);

William Nicholas Guy Hitchon, Verona, WI (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 17/14 (2006.01); H01J 17/44 (2006.01); H01J 17/64 (2006.01);
U.S. Cl.
CPC ...
H01J 17/14 (2013.01); H01J 17/44 (2013.01); H01J 17/64 (2013.01);
Abstract

A gas switch includes an anode and a cathode spaced apart from the anode, wherein the cathode includes a conduction surface. The gas switch also includes a plurality of magnets arranged to generate a magnetic field that defines an annular path over a portion of the conduction surface at a radial distance from a switch axis, and a control grid positioned between the anode and the cathode. In operation, the control grid is arranged to establish a conducting plasma between the anode and the cathode, wherein, in the presence of the conducting plasma, a voltage drop between the anode and the cathode is less than 150 volts, and wherein the conducting plasma forms a cathode spot that circles the annular path.


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