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Schaeffler electric wheel hub motors go into production; three OEM customers

Schaeffler has begun production of its electric wheel hub motors; three manufacturers of compact municipal vehicles are gearing up to incorporate the motors into their production lines in the coming months.

All the components needed for propulsion and braking are integrated directly into the wheel rim, rather than being positioned centrally or mounted on the drive axles. This architecture saves space and makes the vehicles more agile and maneuverable in city traffic.


Utility vehicles powered by these low-noise, fully electric motors are very quiet to operate, resulting in reduced sound pollution in pedestrian areas and on city streets. They can also be operated for extended hours in residential areas because the disturbance to residents is so much less.

One of the first companies to be launching a multifunction vehicle comprising Schaeffler wheel hub motor technology onto the market this year is Jungo. Jungo and Schaeffler have been partnering to tailor the drive technology to the specific everyday requirements of commercial street sweeping.

Schaeffler aims to see its wheel hub motors used in more and more utility and service vehicles in towns and cities, on factory campuses, and at logistics centers, ports, airports, and large parking facilities. These types of vehicles tend to be operated on set routes, so they are a good fit for the fixed ranges and predictable charging times of electric drives. Another key benefit for vehicle operators is that the wheel hub motors have long-life, low-maintenance wheel bearings and gearboxes.


Schaeffler’s fully electric wheel hub motors have an architecture in which the electric motor (stator and rotor), gearbox, and mechanical friction brake are arranged around the wheel bearing inside the rim. This compact design envelope frees up space elsewhere in the vehicle. It also gives vehicle manufacturers greater design freedom, allowing them to develop a wide range of mobility formats, including rolling chassis solutions.

The wheel hub motor, including the gearbox, is very compact, fitting inside a 14-inch rim. The inverter, on the other hand, is not integrated, and can be accommodated anywhere in the vehicle. A single inverter controls one or two wheel hub motors, depending on the use scenario.

The motor’s power output is scalable, depending on the application, ranging from 7 kW to 26 kW (nominal) and peaking at 60 kW for short bursts. The torque generated by the electric motor is transmitted via the gearbox directly to the wheel. This direct transmission reduces energy loss, making the drive highly efficient.

Another key benefit is that torque and direction of rotation are controlled individually for each wheel, resulting in an all-wheel drive vehicle that can handle hills with consummate ease, even in winter road conditions. Schaeffler currently develops wheel hub motors for 48 V and 400 V applications and is exploring the possibility of higher voltages.



When we finally decide to build affordable EVs, two of these babies at the rear corners will be all you need.
Perhaps we will even come to realize most people don't need a 6,000 lb SUV or PU to drive one body to work daily.


@Lad, the Citroen AMI is already there, + I believe there is a host of low cost, low spec "cars" coming from China.
"Perhaps we will even come to realize most people don't need a 6,000 lb SUV or PU to drive one body to work daily."

>> You got it.

Loads of people in Dublin on E-Scooters and E-Bikes (mostly delivery drivers), and many of them are much more powerful than allowed by the law (250W max).


@Lad or 2 at front is better for more regen and less regen tire wear than with RWD.

Our backwards dumb traffic systems often force hard stops or burning a yellow/red light.

But slow smooth acceleration is a choice that minimizes tire wear.

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