电磁感应传感器

汽车电磁配气阀测量-indu

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发布日期:2014-05-13 浏览: 次

带有可变气门控制的电磁配气阀机构,可以大幅度减少排放,增加效率,减少能耗。与传统凸轮轴结构相比,电磁配气阀机构可以提供更多参数调整,诸如负载控制, 废气回收以及阀工作模式等。

The electromagnetic valve gear with its fully variable valve control is perhaps the most promising technology for increasing the efficiency, reducing exhaust emissions significantly and therefore reducing fuel consumption on petrol driven  combustion  engines.  Compared  to  conventional valve lift with a camshaft, a multitude of additional adjustment parameters such as load control method, exhaust gas  return  and  valve  operating  mode  are  available  with electromagnetic valve gear. Furthermore, there is also the option  of  cylinder  deactivation.  

Experts  calculate  that  a potential fuel saving of between 8% and 9% is possible using this technology.Engine valves with electromagnetic valve gear are controlled by electric actuators instead of conventional aspirated engines that use a camshaft. This means that the camshaft can be completely dispensed with. Not only is each valve controlled individually but also the respective valve lift and valve opening duration are individually optimised. The charge cycle losses typically associated with conventional engines are largely avoided. Dynamic valve lift sensors from Micro-Epsilon are being used  in  combination  with  electric  actuators  for  fast  and reliable  monitoring  of  valve  positions  in  combustion  engines.




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