BEYOND the boundaries of possible ELECTRIC-POWERED AIRCRAFT: ELECTRIC PROPULSION UNIT (EPU)

OMNISEAL® ROTARY LIP SEALS, MELDIN® POLYIMIDES & HYCOMPTM COMPOSITES ELECTRIC-POWERED AIRCRAFT: ELECTRIC PROPULSION UNIT (EPU) Dongyeop Shin November 2024 EPU FRICTION ENERGY CONSUMPTION LEAKAGE EXTENDED LIFETIME An Electric Propulsion Unit (EPU) refers to the integrated system responsible for generating and managing thrust in electric-powered aircraft. This complex system plays a critical role in powering electric vertical takeoff and landing (eVTOL) aircraft - part of advanced air mobility (AAM) technologies that are designed to provide clean, efficient, and quiet air travel today and the future....

With so many components within an EPU system, how does it enable urban air mobility 1. Efficient Vertical Takeoff & Landing: The unit provides precision control of multiple electric motors, which is ideal for crowded urban environments with limited space. 2. Distributed Electric Propulsion (DEP): Many eVTOLs use multiple EPUs in a distributed configuration to enhance redundancy and safety. If one motor fails, the others can compensate, reducing the likelihood of catastrophic failure. 3. Low Noise Operation: EPUs are significantly quieter than traditional internal combustion engines, making them...

Omniseal Solutions provides several polymer sealing and material solutions that protect critical parts of the EPU. Our rotary lip seals are used in electric motors, ensuring durability, efficiency, and performance by protecting against contaminants and retaining lubricants. Our composite and polyimide materials offer advanced thermal and electrical insulation, enabling electric motors to handle high temperatures and electrical loads efficiently. Together, these precision solutions are pivotal in high-performance applications such as eVTOL aircraft, EVs, and aerospace systems, where reliability,...

Technology Advantages of Meldin® Polyimide & HycompTM Composite Material Solutions Our Meldin® polyimide-based materials and HycompTM thermoset composites are designed to address thermal and electrical insulation challenges. These properties are especially important in electric motors, generators, and other electrical applications, including aviation and eVTOL systems. • Minimizing Heat Transfer: Meldin® materials offer excellent thermal insulation, preventing heat transfer between motor components. This helps maintain optimal performance by keeping sensitive parts, such as bearings and electronics,...

Partner For Today & Tomorrow For the past 60 years, Omniseal Solutions has supported the aviation industry in commercial aircraft, helicopters and now advanced air mobility and eVTOLs. Proven as reliable global partners, our customers rely on our team to custom engineer sealing technologies that meet stringent performance requirements as well as comply to aerospace sealing and material standards. Our polymer rotary lip seals are valued in this demanding industry as leak tight solutions over a long lifetime, both in dynamic and static conditions, while reducing frictional torque to the minimum....

Design Expertise & Tailor-made Solutions for Your Critical Applications Omniseal Solutions is a global engineering leader with over 65 years of historical legacy, relentlessly dedicated to the design and manufacture of precision sealing and wear control solutions that protect critical applications in the most demanding environments and passionately driven to push Beyond the Boundaries of Possible . Contact Our Expert Dongyeop Shin District Sales Manager - Aviation Northboro, MA, USA +1 (508) 414-6811 [email protected] Omniseal Solutions [email protected] www.omniseal-solutions.com...