Motor rotor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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May 30, 2023
Grant Date -
N/A
app pub date -
Oct 1, 2021
filing date -
Apr 10, 2019
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 motor rotor includes an inner sleeve, a cylindrical permanent magnet disposed around the inner sleeve, and a resin portion formed by charging a gap between the inner sleeve and the permanent magnet with a resin. The inner sleeve includes a small diameter portion. The small diameter portion is located to face an inner peripheral surface of an end portion of the permanent magnet in an axial direction. The small diameter portion is formed to have a diameter smaller than a diameter of a portion facing an inner peripheral surface of a center portion of the permanent magnet in the axial direction.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| CN | B | CN113661636 | Mar 24, 2020 |
| WO | A1 | WO2020209050 | Mar 24, 2020 |
| JP | B2 | JP7264238 | Mar 24, 2020 |
International Classification(s)
- 2021 Application Filing Year
- H02K Class
- 2848 Applications Filed
- 1437 Patents Issued To-Date
- 50.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H02K Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Nov 30, 2026 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 30, 2030 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 30, 2034 |