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. 15, 2013
Filed:
Jan. 31, 2007
Ronnie Dean Stahlhut, Bettendorf, IA (US);
Jim Milton Shoemaker, Horicon, WI (US);
Ronnie Dean Stahlhut, Bettendorf, IA (US);
Jim Milton Shoemaker, Horicon, WI (US);
Deere & Company, Moline, IL (US);
Abstract
An electric motor features liquid cooling capability. A rotor and a secondary rotor are coupled to a shaft for rotation therewith. The rotor comprises a first annular member and magnets secured to the first annular member. The secondary rotor comprises a second annular member and secondary magnets secured to the second annular member. A stator is spaced axially apart from the rotor and the secondary rotor. The stator comprises a plurality of generally planar windings secured to a magnetic core and a secondary planar windings secured to a secondary magnetic core. The magnetic core has at least one cooling channel.