Rotating electric machine, elevator hoist, and method for magnetizing and demagnetizing permanent magnet of rotating electric machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 1, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jan 18, 2016
filing date -
Feb 10, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Calculated Rating
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US Family Size
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Non-US Coverage
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Abstract
A rotating electric machine includes: a stator having an armature core having slots formed between magnetic pole teeth, and a plurality of coils each of which is wound so as to straddle a plurality of the magnetic pole teeth; and a rotor including a plurality of permanent magnets disposed at certain intervals on an outer peripheral surface of the magnetic yoke, and the coils include an armature coil for driving the rotating electric machine and a non-armature coil for magnetizing or demagnetizing the permanent magnets of the rotor.
First Claim
Other Claims data not available
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | B2 | JP6305577 | Jan 18, 2016 |
| KR | B1 | KR102027099 | Jan 18, 2016 |
| CN | B | CN107251382 | Jan 18, 2016 |
| WO | A1 | WO2016129330 | Jan 18, 2016 |
International Classification(s)
- 2016 Application Filing Year
- H02K Class
- 3008 Applications Filed
- 2169 Patents Issued To-Date
- 72.11 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H02K Class
- 31.49 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Apr 1, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 1, 2031 |
