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.

Patent No.:

US 7436122 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 14, 2008

Filed:

May. 18, 2006
Applicants:

Brian E. Beal, Lancaster, CA (US);

Roger M. Myers, Woodinville, WA (US);

Kristi H. DE Grys, Bothell, WA (US);

Alfred C. Wilson, Sammamish, WA (US);

Inventors:

Brian E. Beal, Lancaster, CA (US);

Roger M. Myers, Woodinville, WA (US);

Kristi H. de Grys, Bothell, WA (US);

Alfred C. Wilson, Sammamish, WA (US);

Assignee:

Aerojet-General Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

Atoms of a propellant gas are ionized in a helicon plasma source, preferably in an annular area between inner and outer cylinders. The annular ionization area is aligned with an annular acceleration stage similar to the electrical-magnetic acceleration stage of a Hall effect thruster.


Find Patent Forward Citations

Beal, Brian. (2008). Helicon hall thruster (U.S. Patent No. 7436122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7436122

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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