Rail lubrication is virtually as old as the railways. It all started with simple mechanical wayside rail lubrication devices that had many drawbacks. For these reasons, they were gradually replaced ...

A recently granted patent (Publication Number: US11845142B2) discloses a tool for friction stir welding designed to join panel elements pre-fabricated from a weldable material. The tool comprises a ...

Zhejiang Geely Holding Group has been granted a patent for an actuator device designed for friction clutches. The device features a push lever arm, a rotatable push ring, and a drive unit, allowing ...