研究活動
 
マイクロポンプ

Micro Pumps for Micro Fluid Power Systems

Fabricated Resonant-driven PZT micro pump

Micro pumps play an important role as a micro fluid power source among fluid power micro control systems. A piezo-electric micropump using resonance drive is proposed and developed, which realizes high output flowrate with simple structure by using resonance of a bellows pump chamber and mass. Also, an SMA (Shape Memory Alloy)-driven micropump using ECF jet forced cooling is proposed and developed, which utilizes jet flows of a new functional fluid ECF (Electro-Conjugate Fluid) produced by the applied DC voltage. In addition, a plate-type micro pump is proposed which is driven by peristaltic motion using alley of five PZT bimorphs, and is applied for medicine injection.

More details:
Resonant-driven PZT micro pump
ECFjet cooling SMAwire-driven micro pump
Plate-type PZT micro pump
 
Fabricated SMA wire-driven micro pump using ECFjet forced cooling
Fabricated plate-type PZT micro pump for medical injection
Research Activities
(1) Jun-Ho PARK, Kazuhiro YOSHIDA, Shinichi YOKOTA : A Piezoelectric Micropump Using Resonance Drive:Proposal of resonance drive amd basic experiments on pump characteristics, Proc. of ASME+IMECE, FPST-Vol4/DSC-Vol.63, Fluid Power Systems and Technology,Dallas, pp77/82, (1997)
(2) Jun-ho PARK, Shinichi YOKOTA, Kazuhiro YOSHIDA : Piezo-electric Micropump Using Resonance Drive, Proc. of 1997 FLOMEKO, Hayama, Vol.1, pp319/324, (1997)
(3) Jung-Ho PARK, Kazuhiro YOSHIDA and Shinichi YOKOTA: Resonantly Driven Piezoelectric Micropump (Fabrication of a micropump with the size less than 1cm3); Proc. of the 6th UK Mechatronics Forum International Conference (Mechatronics'98), September 9-11 Sweden, pp.441/446, (1998)
(4) Shinichi YOKOTA, Kazuhiro YOSHIDA, Tomohide KAWAUE, Yasufumi OTSUBO and Kazuya EDAMURA: An SMA-Driven Micropump Using Electro-Conjugate Fluid Jet Cooling; Proc. of the 6th UK Mechatronics Forum International Conference (Mechatronics'98), Sweden, pp.453/458, (1998)
(5) Kazuhiro YOSHIDA, Shinichi YOKOTA, Takeshi OKAYASU, Yasufumi OTSUBO, Kazuya EDAMURA : An 1-cm-cubic-size SMA-Driven Micropump Using ECF Jet Cooling, Proc. of 3rd ISFP'99, Harbin,China, pp.154/159, (1999)
(6) Jun-Ho PARK, Kazuhiro YOSHIDA, Shinichi YOKOTA : Resonantly Driven Piezoelectric Micropump (Fabrication of a micropump with the size less than 1cm3),Trans. of Journal of Robotics and Mechatronics, Vol.9 No.07, pp.687/702, (1999)
(7) Jung-Ho PARK, Kazuhiro Yoshida, Yoshihiro Nakasu, Shinichi Yokota, Takeshi Seto, Kunihiko Takagi: A Resonantly-Driven Piezoelectric Micropump for Microfactory, Proc. of ICMT2002, Kitakyushu, pp.417/422, (2002)
(8) Jung-Ho PARK, Kazuhiro Yoshida, Shinichi Yokota: Development of Resonantly-Driven Piezoelectric Micropump and its Application to Micro Press, Proceedings of Actuator 2002, Bremen, Germany, pp.240/243, (2002)
(9) Jun-Ho PARK, Shinichi YOKOTA, Kazuhiro YOSHIDA : A Piezoelectric Micropump Using Resonance Drive with High Power Density, JSME International Journal, Vol.45, No.2, Series C, pp.502/509, (2002)
(10) Jung-Ho PARK, Kazuhiro Yoshida, Shinichi Yokota, Tetuo Seto, K. Takagi: Development of Micro-machines Using Improved Resonantly-Driven Piezoelectric Micro-pump, Proc. of the Fourth International Symposium on Fluid Power Transmission and Control (ISFP’2003), Wuhan, China, pp.536/541, (2003)
(11) Takeshi Seto, Kunihiko Takagi, Kazuhiro Yoshida, Jung-Ho Park, Shinichi Yokota: Development of High-Power Micro-pump Using Inertia Effect of Fluid for Small-Sized Fluid Actuators, the Journal of Robotics and Mechatronics, Vol.15, No.2, pp.128/135, (2003)
(12) Jung-Ho PARK, Kazuhiro YOSHIDA, Shinichi YOKOTA, Takeshi SETO, Kunihiko TAKAGI, Young-Bog HAM and Sonam YUN: Resonantly-driven Piezoelectric Micropumps Using Active Check Valves, Proc. of ACTUATOR 2004 (9th conf. on New actuators), Bremen, Germany, pp.557/560, (2004)
(13) Kazuhiro YOSHIDA, Yeon-Oh JUNG, Takeshi SETO, Kunihiko TAKAGI, Jung-Ho PARK and Shinichi YOKOTA : A High Output-Power Piezoelectric Micropump Using Inertia of Pipe, ICFP2005, China, pp.394/397, (2005) April

Site MENU

Yoshida-Kim Laboratory