Sage Journals: Discover world-class research

Abstract

In this paper, an electromagnetically actuated tube type micropump is proposed, conceptually designed and experimentally investigated. The micropump mainly consists of two electromagnets, a NdFeB permanent magnet, a ball-valve and a Teflon tube. The reciprocating movement of the permanent magnet is realized when the two electromagnets excitated alternatively. The liquid in the tube flows from the inlet to the outlet while the permanent magnet reciprocating in the tube regulated by a one-way valve. Maximal flow rate of 208.75 $\mu$ L/min and maximum backpressures of 539 Pa were achieved at a applied current of 0.5 A when the actuation frequency is 5 Hz. Compared to other micropumps with membrane structure driven by an external electromagnetic actuator, the tube type micropump is more reliable, small in volume, easy to be fabricated and has zero dead volume and less turns of coil.

Keywords

Micropump electromagnetically actuated tube type ball-valve

Get full access to this article

View all access options for this article.

References

Laser

D.J.

and Santiago

J.G.

, A review of micropumps, Journal of Micromechanics and Microengineering 14 (2004), R35–64.

T.Y.

et al., A coupled field study on the non-linear dynamic characteristics of an electrostatic micropump, Journal of Sound and Vibration 273 (2004), 989–1006.

Machauf

Nemirovsky

and Dinnar

, A membrane micropump electrostatically actuated across the working fluid, Journal of Micromechanics and Microengineering 15 (2005), 2309–2316.

Nguyen

N.T.

and Truong

T.Q.

, A fully polymeric micropump with piezoelectric actuator, Sensors and Actuators B 97 (2004), 137–143.

Wei

et al., Analysis on flow field of piezoelectric pump with unsymmetrical slopes element, International Journal of Applied Electromagnetics and Mechanics 33 (2010), 901–909.

Jun

T.K.

and Kim

C.J.

, Valveless pumping using traversing vapor bubbles in microchannels, Journal of Applied Physics 83 (1998), 5658–5664.

Sun

et al., Growth and collapse of a vapour bubble in a microtube: the role of thermal effects, Journal of Fluid Mechanics 632 (2009), 5–16.

Chang

H.T.

et al., Theoretical analysis and optimization of electromagnetic actuation in a valveless microimpedance pump, Microelectronics Journal 38 (2007), 791–799.

Honda

Yoshida

and Yamasaki

, Cylindrical micropump driven by external magnetic fields, International Journal of Applied Electromagnetics and Mechanics 25 (2007), 511–516.

10.

Jun

D.H.

Sim

W.Y.

and Yang

S.S.

, A novel constant delivery thermopneumatic micropump using surface tensions, Sensors and Actuators A 139 (2007), 210–215.

11.

Cooney

C.G.

and Towe

B.C.

, A thermopneumatic dispensing micropump, Sensors and Actuators A 116 (2004), 519–524.

12.

J.H.

et al., An integrated planar magnetic micropump, Microelectronic Engineering 117 (2014), 35–40.

13.

Gong

Q.L.

et al., Design, optimization and simulation on microelectromagnetic pump, Sensors and Actuators A 83 (2000), 200–207.

14.

Zordan

Amirouche

and Zhou

, Principle design and actuation of a dual chamber electromagnetic micropump with coaxial cantilever valves, Biomedical Microdevices (2010), 55–62.

15.

Zhou

and Amirouche

, An electromagnetically-actuated all-PDMS valveless micropump for drug delivery, Micromachines 2 (2011), 345–355.

16.

Yamagata

et al., A PMMA valveless micropump using electromagnetic actuation, Microfluidics and Nanofluidics 1 (2005), 197–207.

17.

Santra

Holloway

and Batich

C.D.

, Fabrication and testing of a magnetically actuated micropump, Sensors and Actuators B 87 (2002), 358–364.

18.

Pan

T.R.

et al., A magnetically driven PDMS micropump with ball check-valves, Journal of Micromechanics and Microengineering 15 (2005), 1021–1026.

19.

Bhailıs

et al., Modelling and analysis of a magnetic microactuator, Sensors and Actuators A 81 (2000), 285–289.

20.

Wagner

and Benecke

, Microfabricated actuator with moving permanent magnet, Micro Electro Mechanical System (1991), 27–32.

An electromagnetically actuated tube type micropump with a one-way valve

Abstract

Keywords

Get full access to this article

References