15 July 2002 Piezoelectric hydraulic pump with innovative active valves
Author Affiliations +
Abstract
The development of a piezoelectric hydraulic pump with innovative active valves is presented in this study. The pump structure basically consists of a diaphragm type piezoelectric stack actuator and two specially designed unimorph disc valves acting as inlet and delivery valves. Static and dynamic piezoelectric finite element analyses were used to maximize the delivered fluid volume per stroke and to predict the resonance characteristics of the pump, respectively. A structural optimization technique was performed to optimize the efficiency of the pump versus its geometrical dimensions. A transient CFD model was used to predict flow rates. Dynamic experiments were also conducted and results are in good agreement with those obtained from the simulation.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Donggun Lee, Siu Wing Or, Conal H. O'Neill, and Gregory Paul Carman "Piezoelectric hydraulic pump with innovative active valves", Proc. SPIE 4701, Smart Structures and Materials 2002: Smart Structures and Integrated Systems, (15 July 2002); doi: 10.1117/12.474689; https://doi.org/10.1117/12.474689
PROCEEDINGS
7 PAGES


SHARE
Advertisement
Advertisement
Back to Top