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.:
Date of Patent:
Oct. 08, 2013
Filed:
Mar. 14, 2011
Applicants:
John Allen, Haywards Heath, GB;
Terry Arthur Large, Linfield, GB;
Inventors:
John Allen, Haywards Heath, GB;
Terry Arthur Large, Linfield, GB;
Assignee:
Elekta AB (Publ), Stockholm, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05H 9/04 (2006.01); H05H 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a linear accelerator in which a rotatable conductive vane is employed to vary the electromagnetic coupling between adjacent accelerating cells. The vane is sealed off from the rest of the linear accelerator by an insulating partition, so the pressure around the vane can be higher than in the rest of the accelerator. This greatly simplifies the mechanisms which may be used to control the rotation of the vane, allowing a higher bakeout temperature in manufacture and a higher rate of rotation in use.