Piezoelectric Liquid Pumps: Precision Micro-Fluidics Through Advanced Ceramics

Piezoelectric Liquid Pumps will be exhibited at the Consumer Electronics Show (CES) in Las Vegas, USA.

Consumer Electronics Show (CES)
Dates: January 6–9, 2026
Location: Las Vegas, USA
Booth Number: North Hall 10529

Fluid handling in compact and sensitive electronic systems demands a new paradigm in pump technology. Piezoelectric liquid pumps meet this need by harnessing the unique properties of piezoelectric ceramics to enable precise, reliable, and miniaturized fluid delivery. This solid-state pumping mechanism offers a superior alternative for applications where size, control, and quiet operation are paramount.

Operating Principle: Vibration-Driven Fluidics
At the core of the pump is a piezoelectric ceramic element. When an AC voltage is applied, the ceramic undergoes rapid deformation, generating minute, high-frequency vibrations. These vibrations are mechanically coupled to a flexible pump membrane, driving it to oscillate back and forth. This oscillation periodically alters the volume of the pump chamber, creating a pumping action: as the chamber expands, it draws fluid in; as it contracts, it expels fluid out. This cycle achieves precise and continuous liquid delivery with exceptional control over flow parameters.

Key Advantages Over Traditional Pumps

This innovative approach provides a compelling set of benefits:

Compact Structure & Miniaturization: The design eliminates bulky motors and gears. With an ultra-compact footprint of just 7 × 7 × 1.4 mm, it integrates seamlessly into space-constrained devices.

Precise Control & Adjustable Flow: The flow rate is directly and quickly tunable by modifying the input AC signal's characteristics, enabling on-demand flow rate adjustment.

Low Noise & No Electromagnetic Interference (EMI): The silent vibration mechanism operates quietly, and the absence of electromagnetic coils prevents EMI, making it ideal for noise-sensitive and electronically delicate environments.

High Reliability with Low Power Consumption: Having no traditional rotating or sliding moving parts minimizes wear, while the efficient energy conversion leads to very low power consumption.

Technical Specifications and Application Potential
The combination of a high output pressure and tiny size makes these pumps particularly suitable for demanding micro-fluidic applications. A primary use case is in advanced micro liquid cooling systems for high-performance computing, telecommunications, and power electronics, where they can circulate coolant in tight spaces with high thermal efficiency. Other potential applications include precise dosing in medical devices, ink jet printing, and analytical instrumentation.

Conclusion
Piezoelectric liquid pumps represent a significant leap forward in micro-fluidic technology. By converting electrical energy directly into controlled mechanical vibration, they deliver a unique blend of miniaturization, precision, quiet operation, and reliability, positioning them as a critical enabling component for the next generation of portable, sensitive, and high-power-density electronic systems.