An automatic washer is provided which includes a control for automatically operating an agitator drive motor at a speed or other parameter of agitator operation, dependent upon a selected liquid level for the wash cycle. Such an arrangement results in a uniform wash action at varying wash liquid lev...http://www.google.fr/patents/US5074003?utm_source=gb-gplus-shareBrevet US5074003 - Automatic washer with controlled stroke parameter
