Spoked rotor for an electric motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 5, 2020
Grant Date -
Oct 5, 2017
app pub date -
Jun 14, 2017
filing date -
Jul 3, 2014
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A rotor is provided for use in an electric motor. The rotor includes a shaft assembly rotatable about an axis. The rotor also includes a plurality of magnets arranged arcuately about the shaft assembly, and a plurality of pole segments arranged arcuately about the shaft assembly. The pole segments alternate with the magnets, such that each of the magnets is at least in part interposed between adjacent pole segments. The pole segments interlock with the coupling element.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NIDEC MOTOR CORPORATION | 8050 W FLORISSANT AVENUE ST LOUIS MO 63136 |
International Classification(s)

- 2017 Application Filing Year
- H02K Class
- 3198 Applications Filed
- 2308 Patents Issued To-Date
- 72.18 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hoemann, Keith I | Fenton, US | 35 | 612 |
# of filed Patents : 35 Total Citations : 612 | |||
Johnson, Philip S | Granite City, US | 57 | 388 |
# of filed Patents : 57 Total Citations : 388 | |||
Lewis, William R | Hazelwood, US | 15 | 76 |
# of filed Patents : 15 Total Citations : 76 | |||
Major, Michael W | Moro, US | 32 | 306 |
# of filed Patents : 32 Total Citations : 306 | |||
Sheeran, Kent A | St. Louis, US | 10 | 183 |
# of filed Patents : 10 Total Citations : 183 |
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- 0 Citation Count
- H02K Class
- 0 % this patent is cited more than
- 5 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 5, 2027 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 5, 2031 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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