A showerhead may include a housing, a jet disk, a turbine, and a shutter. The housing may include a fluid inlet, at least one fluid outlet, and a chamber in fluid communication with the inlet and one or more outlets. The jet disk, turbine, and shutter may be placed in the cavity. The shutter may include...http://www.google.fr/patents/US20080156897?utm_source=gb-gplus-shareBrevet US20080156897 - LOW SPEED PULSATING SHOWERHEAD
