Key Takeaways One-click tyre pumps are essential for daily drivers and commuters to maintain proper tyre pressure, which ...

Abstract: A ring-shaped linear piezoelectric actuator with three driving teeth is proposed and designed based on an axial-radial bending coupling vibration mode. The coupling vibration mode is neither ...

Abstract: Generally, water hydraulic piston pump (WHAPP) can use oil as working media due to good lubrication of oil. The noise of pump is a very important performance and paid many attentions. How ...