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Les moteurs gaz MTU équipés du système de valves ABB

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Durability field-test results of ABB’s variable valve train system, Valve Control Management (VCM), have shown unprecedented success of the technology on an MTU high speed gas engine.  The successful running of each VCM actuator for 7,000 hours on an engine is an important milestone for the forthcoming serialization of this technology.  Typically, a durability test for serialization lasts around 5,000 hours for large engines.
 
VCM is an electro-hydraulic valve train system for four-stroke gas and diesel engines, developed by ABB for and in collaboration with engine builder MTU, and optimized for its engines.  The technology originates from a similar principle in the automotive industry, allowing a stepless variation of engine valve timing and valve lift from one engine cycle to the next, adjusting the amount

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