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Fasco has developed a range of integrated motor/control technologies. The technology
is based around a patented “Axial Flux” brushless DC (BLDC) motor incorporating
rare earth permanent magnets (NdFeB). Combining this motor with the latest in electronic
control the motor typically provides customers with higher efficiency, lower operating
costs, lower noise and lower CO2 emissions in a smaller, more compact package. |
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In a conventional (or “Radial Flux”) induction motor a circular rotor (somewhat
like a small drum) circulates inside the stator. With an Axial Flux motor a disc
shaped stator (on the left in the picture) and disc shaped rotor (on the right in
the picture) are placed adjacent to each other and kept apart by bearings thereby
creating an axial air gap. This design is sometimes called a ‘pancake’ motor due
to its thin flat shape.
Where competitors are experimenting with newer higher performance motors using rare
earth magnets, they are invariably trying drum shaped radial flux BLDCs. Our research
is consistently showing the axial flux design can produce higher performance in
a smaller package, with less active materials. Commonly found in computer disk drives,
axial flux motors are already manufactured in high volumes however Fasco is the
first company to offer this style of axial flux motor for applications such as pool
pumps. With the advantage of 15 years of research and experience with this intriguing
format and the backing of one of the world’s largest motor manufacturers Fasco’s
imPower motor is a step forward in motor technology.
Various environmental and performance benefits are offered by the new technology.
The Axial Flux motor uses significantly less material compared to a typical induction
motor. Advanced electronic control allows the power and speed to be easily varied
while maintaining a high efficiency level.
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