Failure mechanisms of induction motors in the valve actuators of motor operated valves are investigated. It is found that motors which contain cast magnesium rotors are susceptible to cracking and ...

The cool thing about valveless pulsejets is just how dead simple they are—basically just a shaped metal tube with no moving parts at all. That’s really it. Just like a hollow jar. But even though the ...

You have likely heard of variable valve timing by one of the names manufacturers have for the system, such as VVT-i or VTEC.