A piezoelectric fluid pump includes a stationary pump base and a plurality of piezoelectric elements arranged in parallel on the stationary pump base, each of the piezoelectric elements having, in a polarizing direction thereof or in a direction perpendicular to the polarizing direction, a first end...http://www.google.ca/patents/US5906481?utm_source=gb-gplus-sharePatent US5906481 - Piezoelectric fluid pump
