Method for driving clothes to roll in upright barrel by using impellers and application thereof
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United States of America Patent
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Sep 1, 2015
Grant Date -
Apr 18, 2013
app pub date -
Nov 30, 2010
filing date -
Jun 11, 2010
priority date (Note) -
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Abstract
A method for driving laundry to roll in an upright tub with a pulsator and uses of the same are disclosed. The method makes laundry alternately but not simultaneously form at least two rolling faces in the upright tub. The rolling faces have a certain angle therebetween, laundry is performed more than one rolling on one of the rolling faces and then switched to another rolling face to be performed more than one rolling on the other rolling face. There is at least one pulsator to provide a side auxiliary force during rolling processes. The number of the pulsators driving laundry is preferably 3˜5, the number of rib on the pulsator is preferably 3˜8. The method can significantly improve cleaning performance and provide the advantage of multi-direction rolling.
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