Jon R Kitzmiller

US Patent:

20100019628, Jan 28, 2010

Filed:

Jun 13, 2007

Appl. No.:

11/762705

Inventors:

Jon Kitzmiller - Austin TX, US
Michael C. Lewis - Austin TX, US
Michael D. Werst - Manor TX, US

International Classification:

H02K 11/04

US Classification:

310 68 D

Abstract:

A brushless exciter apparatus including a rotatable rectifier hub assembly and associated methods are provided. The brushless exciter apparatus includes an exciter rotor assembly including a rotor core, a rotatable shaft carrying the rotor core, and an exciter armature having end turns extending beyond either side of an axial extent of the rotor core. The brushless exciter apparatus also includes a rotatable rectifier hub assembly including a rotatable rectifier hub carrying one or more diode assemblies positioned along an axial extent of the rotatable rotor shaft adjacent a rotor core, at least partially radially between an extent of the exciter armature and the outer surface of the shaft.

US Patent:

20080122311, May 29, 2008

Filed:

Jun 13, 2007

Appl. No.:

11/762681

Inventors:

Michael D. Werst - Manor TX, US
Michael C. Lewis - Austin TX, US
Jon Kitzmiller - Austin TX, US
Stephen Manifold - Austin TX, US

Assignee:

The Board of Regents, The University of Texas System - Austin TX

International Classification:

H02K 1/22
H02K 1/28
H02K 15/02

US Classification:

310217, 310262, 29598

Abstract:

A rotor assembly for a high speed electric machine and associated methods are provided. The rotor assembly includes a shaft, a plurality of laminations positioned along an axial extent of the shaft forming a lamination stack, a pair of end plates each positioned on one of the respective ends of the lamination stack, and an internal clamping tube substantially surrounding major portions of the axial extent of the shaft, positioned between the shaft and inner portions of the lamination stack, and contacting the pair of endplates to provide clamping of the lamination stack.