A new electrohydraulic power steering system uses pump displacement control, eliminating throttling losses associated with hydraulic control valves by controlling the displacement of a variable displacement pump.
John Deere says its 750K and 850K crawler dozers meet Tier 4 Final emissions standards while offering higher productivity, increased uptime, and lower daily operating costs in earthmoving, waste, and grading applications.
At the recent 2014 L.A. Auto Show, various OEMs put their latest hydrogen fuel-cell electric vehicles on stage. Engineers developing FCEVs are working against overlapping regulatory clocks, and OEM collaborations are taking the some of the sting out of development time and costs.
Volkswagen Group is on a technology blitz aimed at increasing overall vehicle efficiency. The IR-resistant dashboard materials and the 10-speed DSG transmission are in the production pipeline along with other innovations.
Dry drilling of composite-Ti stack-ups via CO2 avoids the problems associated with liquid coolants used in fuselage hole drilling, while delivering benefits in productivity, tool life, and hole quality.