An electrokinetic pump and fluid delivery system is provided that may include any of a number of features. One feature of the fluid delivery system is that it can deliver a fixed volume of fluid with each stroke of the electrokinetic pump. Another feature of the fluid delivery system is that it can accurately...http://www.google.es/patents/US20090148308?utm_source=gb-gplus-sharePatente US20090148308 - Electrokinetic Pump with Fixed Stroke Volume
