Title:
ELECTRIC MOTOR WITH LAMINATED SHEET WINDINGS
Document Type and Number:
WIPO Patent Application WO/2016/044408
Kind Code:
A8
Abstract:
An electric machine employs laminated sheets windings (LSWs) and permanent magnets which rotate about the LSWs. A 'radial' embodiment employs magnets which are magnetized radially and LSWs laid parallel to the rotation axis. An 'axial' embodiment uses axially magnetized magnets with LSWs laid radially in the plane of the motor. The magnets may be arranged as Halbach arrays. Magnets and LSWs are arranged concentrically with an air gap therebetween; the motor may employ "Large Air Gap Electric Ring" (LAGER) technology. The laminated sheets form a continuous stack of series-connected concentric metal layers; dielectric layers insulate each metal layer from its adjacent layers. Cuts arranged periodically around each LSW run parallel to the rotation axis and extend through all of the metal layers, with adjacent cuts originating on opposite sides of the LSW such that they form a serpentine path for current to flow as it flows around the winding.
Inventors:
GERY JEAN-MARC (US)
JONES DAN (US)
JONES DAN (US)
Application Number:
PCT/US2015/050400
Publication Date:
May 18, 2017
Filing Date:
September 16, 2015
Export Citation:
Assignee:
GREENTECH MOTORS CORP (US)
International Classes:
H02K3/26; H02K1/27; H02K3/04; H02K21/12; H02K15/03
Attorney, Agent or Firm:
PATRICK, Steven C. et al. (US)
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