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:
Jan. 24, 2006
Filed:
Nov. 16, 2001
Applicant:
Thord Agne Gustaf Nilson, Tyresö, SE;
Inventor:
Thord Agne Gustaf Nilson, Tyresö, SE;
Assignee:
Atlas Copco Airpower Naamloze Vennootschap, Wilrijk, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an electric motor, in particular for high speed operation, comprising a motor housing (); inside the housing (), a stator () having a core () and windings () toroidally wound on the core (); and a rotor () inside the stator (). The motor comprises an inductance controlling ring () in soft-magnetic material around the stator core (), increasing for each phase the leakage inductance and forming for each phase an integrated filter inducatnce (L, L, L) outside the core () of the stator () but still inside the motor housing ().