Invention Grant
- Patent Title: Drive unit for multiphase permanent magnet synchronous motor
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Application No.: US15111028Application Date: 2014-01-13
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Publication No.: US09932204B2Publication Date: 2018-04-03
- Inventor: Zbigniew Piech , Cezary Jedryczka , Wojciech Szelag
- Applicant: Otis Elevator Company
- Applicant Address: US CT Farmington
- Assignee: OTIS ELEVATOR COMPANY
- Current Assignee: OTIS ELEVATOR COMPANY
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- International Application: PCT/US2014/011264 WO 20140113
- International Announcement: WO2015/105510 WO 20150716
- Main IPC: H02K3/28
- IPC: H02K3/28 ; B66B11/04 ; B66B1/28 ; H02P25/22 ; H02K21/16 ; H02K11/33 ; H02K21/02 ; H02K16/04

Abstract:
A conveyance system includes a car; a machine for imparting motion to the car, the machine including a stator and a rotor, the stator including 12*k stator teeth, the rotor including 11*k rotor poles, wherein k is a natural even number, the machine including windings located at the stator teeth, the windings arranged in 6 phases; and a drive unit for providing drive signals to the machine, the drive unit including a plurality of drives, the number of drives being an integer multiple of 2.
Public/Granted literature
- US20160340151A1 DRIVE UNIT FOR MULTIPHASE PERMANENT MAGNET SYNCHRONOUS MOTOR Public/Granted day:2016-11-24
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