Permanent Magnet Axial Flux Motors

Ashwoods Axial Flux motors are permanent magnet, brushless AC motors that power a range of applications at both low volumes and high volumes in specialist markets.

These motors incorporate a unique stator and rotor design with surface mounted permanent magnets to deliver high power at efficiencies far superior to high-performing induction motors.

Lightweight and compact design

This lightweight and compact design contributes to the motors’ extremely high torque density. This, coupled with its excellent direct transmission drive characteristics, makes it ideal for high power and torque applications.

Ashwoods Axial Flux motors’ design is compact, lightweight, and scalable, producing exceptional levels of performance across the entire Elmo range of motors. This technology, previously used to hybridize vehicles, has now been applied across the automotive, marine, off-highway and oil and gas industry.

The Axial flux motor range includes the Elmo-S (air cooled) and Elmo-D (liquid cooled) motors that suit a wide array of applications dependent on power requirements.

FAQ

Do you only provide a standard interface with these motors?

Hydraulic – our motors work efficiently with pump manufacturers through the adaptable mounting plate. Previous interfaces include high speed pumps and pump drives.

Traction – standard shaft design allows easy rotor implementation on numerous gear designs and axle mounts. The customisable adapter plate can be used with a variety of direct transmission drives.

IPM vs Axial Flux?

Ashwoods Electric Motors produces both radial flux and axial flux machines.

Our IPM motors are radial flux machines, as the magnetic field is applied radially inward and outward from the rotor. These incorporate the magnets directly into the rotors. They are relatively low cost, scalable motors for use within high volume applications.

The magnetic field in our Axial Flux motors is applied along the rotor axis, parallel to the shaft. The Axial Flux motors are surface permanent magnets, with very high torque density due to their unique design.

Controller integration

We have very close partnerships with a variety of motor controller manufacturers, such as Curtis Instruments, Zapi, Sevcon, Digital Motor Control and KEB. We provide the motor and controller package, configuring the controller onsite to provide customers with a more integrated solution. The controllers used to run our motors utilise the same hardware found in an induction motor controller with a software change.

Do you sell battery packs?

Due to our background in producing hybrid vehicles, our team have a wealth of experience in battery pack design and manufacture. Today, we are able to design and produce prototype battery packs, but for production volumes we would hand these designs to one of our battery partners.

Can the motors function as generators?

Through their innovative design, all Ashwoods Electric Motors can function as generators. The motors can aid in regenerative braking in automotive applications or as auxiliary power units. The core motor components can integrate onto various engine and mounting options.

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