Random tumbling washing machine wash chamber for improving cleaning while minimizing mechanical damage to clothes
AssigneeWhirlpool Corporation
InventorsKARL DAVID MCALLISTER, ANDREW J. LEITERT, DANIEL C. CONRAD
Life of this patent
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Abstract
Methods and apparatuses consistent with the present invention provide for improved cleaning while minimizing mechanical damage to clothes in automatic washer cycles using time-varying wash chamber oscillations. An automatic washer has a wash chamber with a central axis and is rotatable about the central axis. Items are loaded into the wash chamber. Wash liquid is supplied into the wash chamber. The wash chamber is oscillated about the central axis by time-varying oscillations.
Claims24
A method of washing items in an automatic washer having a wash chamber rotatable about a central axis, the method comprising the steps of
- loading items into the wash chamber;
- supplying wash liquid into the wash chamber;
- and
- oscillating the wash chamber about the central axis by time-varying oscillations.
A method of washing items in an automatic washer having a wash chamber rotatable about a central axis, the method comprising the steps of
- loading items into the wash chamber;
- supplying wash liquid into the wash chamber;
- and
- oscillating and pausing the wash chamber about the central axis by time-varying pauses.
A method of washing items in an automatic washer having a wash chamber rotatable about a central axis, the method comprising the steps of:
- loading items into the wash chamber;
- supplying wash liquid into the wash chamber;
- and
- oscillating the wash chamber about the central axis by stroke angle-varying oscillations.
Dependencies are inferred from the claim text.