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:
Aug. 28, 2007
Filed:
Mar. 06, 2006
Fengshun Tan, Wuxi, CN;
Fengshun Tan, Wuxi, CN;
GE Medical Systems Global Technology Company, LLC, Waukesha, WI (US);
Abstract
With a view to providing a magnet apparatus which can form a medium magnetic field with use of permanent magnets, the magnet apparatus having a pair of parallel disc-like permanent magnets with magnetic poles of mutually opposite polarities opposed to each other through a spacing, further comprises: two pairs of rings constituted by permanent magnets and provided respectively on pole faces of the pair of permanent magnets coaxially and doubly, the two pairs of rings each having a magnetizing direction inclined relative to a magnetizing direction of the pair of permanent magnets and having magnetic poles of mutually opposite polarities opposed to each other through a spacing; and two pairs of cylinders formed by a ferromagnetic material and partitioning the interiors of the pair of permanent magnets respectively coaxially and doubly.