Recent advances in electrical motors, energy storage systems, and power electronics converters (PEC) are leading to aircraft becoming increasingly electrical. However, hybrid technologies are also a viable option for greener air travel. These hybrid engines convert several power sources to the relevant system of the aircraft, adjusting power supply to actual needs during flight. This makes power converters in hybrid engines a critical part, and their efficiency of utmost importance.
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Sealing Protection For EVTOL Propeller Bearings
Category
Critical Applications
3 min
Description
In the past decade or so, there has been considerable progress in electric storage and motor technology, which are on the verge of moving the aviation industry ahead and opening new opportunities and uses. One example is the eVTOL (Electric Vertical Take-Off and Landing vehicle), where electric engines reduce noise pollution for quieter flights and provide zero emissions to help the environment.
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Helicopter Main Gearbox
Category
Leakage Requirement
3 min
Description
How would a helicopter main gearbox (MGB) successfully function without the proper sealing solution? Rotary lip seals are widely used to seal the oil lubricant within the gearbox and protect it from leaking out at where the shaft enters and exits the gearbox. The main gearbox, also known as a transmission, is a critical part in a helicopter’s airworthiness and safety because it is responsible for reducing high input speed generated from engines and providing appropriate torque to main rotors and other accessory systems.
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