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US 2017/0250595 A1Published application
Brushless direct current motor
AssigneeContinental Automotive GmbH
InventorsHans-Dieter Wilhelm, Eugen Bernarding, Wolfram Triller, Thomas Mann, Helmut Westenberger, Peter Kohlen
Life of this patent
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Abstract
A brushless direct current motor with a stator and rotor uses permanent magnets facing the stator and which are held in place by springs that urge the magnets toward the periphery of a support structure for the rotor.
Claims11
A brushless direct current motor comprising:
- a stator having four coils;
- a rotor within the stator, the rotor comprising:
- a plurality of permanent magnets;
- and
- a rotor support element configured to hold the plurality of permanent magnets;
- wherein the permanent magnets are configured to face the stator and are preloaded against a periphery of the rotor support.
3 more elements
The brushless direct current motor as claimed in 5, wherein the spring has a substantially C-shaped cross section.
Dependencies are inferred from the claim text.