HYBRID ROTARY ELECTRICAL MACHINE
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United States of America Patent
Stats
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N/A
Issued Date -
Jun 20, 2013
app pub date -
Aug 2, 2012
filing date -
Aug 27, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A hybrid rotary electrical machine that obtains a deviation angle of about one half of a pole teeth pitch between magnetic teeth of two rotor magnetic pole members gripping a permanent magnet of a rotor including rotor magnetic pole members that include the magnetic teeth at an equal pitch T on a surface thereof. The rotor magnetic pole members include cutout portions on the inner circumferential surface or the outer circumferential surface of the rotor magnetic pole members in a specified positional relationship with respect to the magnetic teeth. The cutout portions of one of the rotor magnetic pole members are axially aligned with the cutout portions of the other rotor magnetic pole member turned upside down so the magnetic teeth of one of the rotor magnetic pole members have a phase difference of about T/2 with respect to the magnetic teeth of the other rotor magnetic pole member.

First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NIDEC SERVO CORPORATION | 3-93 AIOI-CHO KIRYU-SHI GUNMA 376-0011 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
KIKUCHI, Noriyoshi | Gumma, JP | 9 | 71 |
TRUNG, Nguyen Thanh | Gumma, JP | 1 | 3 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 20, 2024 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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