All-in-One eDrivetrain Unveiled by Saietta
Powertrain specialist Saietta has unveiled its fully-integrated eDrive solution at IAA Transportation 2022 in Hannover.
The Central Motor Concept integrates the motor, power electronics and gearbox into a single unit to provide an all-in-one solution for truck manufacturers transitioning to zero-emissions. The company also unveiled a similarly modular unit for lightweight commercial vehicles up to two tons. It integrates into a single compact unit Saietta’s Axial Flux Technology (AFT) motor, in-house developed power electronics unit, a modular gearbox, and bespoke axle architecture. A new AFT in-wheel motor concept and a new eAxle Concept for heavy-duty vehicle manufacturers has also been unveiled for the first time.
Central Motor Concept
Saietta’s Central Motor Concept has been designed as a fully modular, flexible solution. In addition to claimed superior power density, the concept is lighter and more compact than other similar systems. Thanks to the in-built modularity, the package can be ‘right-sized’ to fit specific packaging requirements of each application.
Developed by Saietta’s HDE division in the Netherlands, the concept houses an inverter, cooling system, high-speed motor and a planetary gear fixed-ratio transmission in an optimal all-in-one package. The inverter is an advanced silicon carbide semiconductor field-effect transistor (SiCFET) type, with a water jacket cooling system and the high-speed motor is a robust and durable interior permanent magnet (IPM) design. The package includes an integrated oil pump, standardized mounting flange, integrated tachograph sensor, DC HV input connectors and a position sensor assembly.
Wicher (Vic) Kist, saietta’s chief executive officer, said: “In late 2021, we acquired and integrated the well-established e-Traction business into Saietta Group. Now known as Saietta Heavy Duty eDrive (HDE), the addition of its technologies, facilities and talented people has been transformational for the group. Crucially, we’ve worked hard with our new colleagues to unlock its untapped potential to apply their expertise in the development of turnkey solutions for the heavy truck market.”
— Paul Myles is a seasoned automotive journalist based in Europe. Follow him on Twitter @Paulmyles_
