Driving apparatus for direct-drive type washing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 20, 2018
Issued Date -
N/A
app pub date -
Dec 5, 2013
filing date -
Jun 8, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A driving apparatus for a direct-drive type washing machine includes a support member that is fixed to the lower side of a washing tub; a dehydrating tub rotating shaft that is rotatably supported on the support member and that is connected to a dehydrating tub to rotate the dehydrating tub; a pulsator rotating shaft that is rotatably arranged in the inside of the dehydrating tub rotating shaft and that is connected to a pulsator to rotate the pulsator; a drive motor comprising a double rotor including an outer rotor that is connected to the pulsator rotating shaft and an inner rotor that is connected to the dehydrating tub rotating shaft, and a double stator including a first stator coil for rotating the outer rotor and a second stator coil for rotating the inner rotor; and a motor drive unit that generates alternating-current (AC) power according to a washing control signal.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 10 Citation Count
- H02K Class
- 23.38 % this patent is cited more than
- 7 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 | Aug 20, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 20, 2029 |
