Electric power steering system and brush motor thereof
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United States of America Patent
Stats
-
Dec 29, 2020
Grant Date -
Mar 15, 2018
app pub date -
Sep 6, 2017
filing date -
Sep 9, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electric power steering system and its brush motor are disclosed. The brush motor includes a stator and a rotor rotatably mounted to the stator. The rotor includes a rotary shaft, a commutator and a rotor core fixed to the rotary shaft, and a rotor winding wound around the rotor core. The commutator includes a plurality of commutator segments. The rotor core includes a plurality of teeth. The rotor winding includes a plurality of winding elements. Adjacent teeth define therebetween wire slots for receiving the winding elements. The winding elements include a plurality of first winding elements and a plurality of second winding elements. The first winding elements are connected in series through the commutator segments. The second winding elements are connected in series through the commutator segments. The first winding elements and the second winding elements are received in different wire slots. Implementation of the present invention can improve the reliability of the product.
First Claim
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Family
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Cited Art Landscape
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 29, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 29, 2032 |
