Abstract: This paper shows how to analyze the overall energy efficiency of two typical equipments of compressed air system: lubricant-injected rotary screw compressors and aftercooler. Firstly, air ...

While some automakers are leaning into easier repairs and owner-friendly tweaks, others seem to be quietly heading in the opposite direction. Mercedes, for instance, is aiming to make headlight ...

Abstract: Rotary piezoelectric actuators (RPAs) are widely used in various precise applications. But given the rotary axis offset caused by the single off-center driving force or the discrepancy of ...

While Mercedes aims to make cars easier to repair, BMW has patented roundel-shaped screw heads that push owners to dealer-only servicing and repairs. BMW patented a roundel-shaped screw head requiring ...

Evan Williams is an automotive journalist and mechanical engineering technologist with more than a decade of experience in the industry. He has written for the Toronto Star and AutoTrader Canada and ...