Invention Grant
- Patent Title: Electromagnetic rotary drive and rotational device
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Application No.: US15474453Application Date: 2017-03-30
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Publication No.: US10707734B2Publication Date: 2020-07-07
- Inventor: Thomas Holenstein , Reto Schöb
- Applicant: Levitronix GmbH
- Applicant Address: CH Zurich
- Assignee: LEVITRONIX GMBH
- Current Assignee: LEVITRONIX GMBH
- Current Assignee Address: CH Zurich
- Agency: Global IP Counselors, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5e7d74c4
- Main IPC: H02K21/38
- IPC: H02K21/38 ; H02K21/44 ; A61M1/10 ; F16C32/04 ; H02K7/09 ; B01F13/08 ; H02K19/10

Abstract:
An electromagnetic rotary drive includes a contactlessly magnetically drivable rotor that is coil-free and free of permanent magnets and that includes a magnetically effective core, and a stator by which the rotor is contactlessly magnetically drivable about a desired axis of rotation in the operating state. The stator has a plurality of coil cores of which each includes a bar-shaped longitudinal limb extending from a first end in a direction in parallel with the desired axis of rotation up to a second end, all the first ends being connected by a reflux of windings generate an electromagnetic rotational field of which each surrounds one of the longitudinal limbs. The coil cores include a plurality of permanent magnets by which a permanent magnetic pre-magnetization flux can be generated.
Public/Granted literature
- US20170302145A1 ELECTROMAGNETIC ROTARY DRIVE AND ROTATIONAL DEVICE Public/Granted day:2017-10-19
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