Driving unit for washing machine and method for controlling the same
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United States of America Patent
Stats
-
Apr 27, 2010
Grant Date -
Jan 19, 2006
app pub date -
Jul 14, 2005
filing date -
Jul 16, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A driving unit for a washing machine, and method for controlling the same. The driving unit includes a bearing housing fixedly secured to an outer tub. A motor is mounted on the bearing housing. A ring gear shaft is rotatably mounted to the bearing housing and is coupled to an inner tub. A carrier shaft is rotatably mounted in the ring gear shaft, with a driving shaft rotatably mounted in the carrier shaft. The driving shaft is coupled to the motor. A reduction gear is positioned between the ring gear shaft and the carrier shaft to reduce a speed of the ring gear shaft. A one directional holding device that holds the carrier shaft when the driving shaft rotates in a first direction, and holds two of the carrier shaft, the ring gear shaft, and the driving shaft when the driving shaft rotates in a second direction.
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