Method for manufacturing an armature for an EC motor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11114910
APP PUB NO 20190140504A1
SERIAL NO

16184505

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An EC motor is provided having a stator, in which an armature is rotatably supported, the armature including an armature shaft, on which an armature core having a plurality of permanent magnets is held, the armature core being electrically insulated against the armature shaft with the aid of a casting compound, and a balance ring being provided on at least one axial end of the armature core, which is accommodated on the armature shaft by a central recess, a gap between the armature shaft and the central recess of the balance ring being filled with casting compound, and the permanent magnets being held in pockets of the armature core by casting compound.

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Patent Owner(s)

  • C. & E. FEIN GMBH

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burkhardt, Thomas Heubach, DE 52 192
Grass, Fabian Stuttgart, DE 2 0
Maier, Christoph Notzingen, DE 22 215

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