A wash cylinder or chamber for an automated cleaning station to clean an object or a person's body part includes nozzles on the interior of the cylinder, the nozzles of one embodiment comprising an increasing roll angle providing a novel spray pattern. Additionally, embodiments of the invention include...http://www.google.fr/patents/US7754021?utm_source=gb-gplus-shareBrevet US7754021 - Wash chamber for appendage-washing apparatus