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:
Jul. 17, 2018
Filed:
Aug. 26, 2011
Evgeny Victorovich Kazmin, Moscow, RU;
Gary Randall Barnes, Schenectady, NY (US);
Yury Danilovich Vinitzky, Moscow, RU;
Ronghai Qu, Wuhan, CN;
Mikhail Avramovich Avanesov, Moscow, RU;
Evgeny Victorovich Kazmin, Moscow, RU;
Gary Randall Barnes, Schenectady, NY (US);
Yury Danilovich Vinitzky, Moscow, RU;
Ronghai Qu, Wuhan, CN;
Mikhail Avramovich Avanesov, Moscow, RU;
General Electric Company, Schenectady, NY (US);
Abstract
A rotor for an electromagnetic apparatus including: ferromagnetic laminates stacked along a longitudinal axis of the rotor; non-magnetic laminates stacked along the longitudinal axis, wherein the non-magnetic laminates are between the ferromagnetic annular laminates; cavities in the rotor formed by aligned slots in the ferromagnetic and non-magnetic laminates, wherein the cavities are parallel to the axis of the rotor, and a permanent magnet(s) in each of the aligned cavities. The laminates may each be an annular disc or may be segments arranged in an annular array around a shaft of the rotor.