External rotor motors put the spinning rotor outside the stator and couple it directly to the impeller — shorter axially, no transmission losses, and self-cooled by the airstream. Articles cover the construction, direct-drive vs belt-drive comparisons and typical axial and centrifugal applications.
What does EC actually mean in an EC fan? This engineering explainer fo...
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In an external rotor motor the outside spins and the impeller mounts s...
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Consolidating on one motor platform would have simplified our producti...
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The whole assembly had 120 millimetres to live in, electronics include...
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Anyone can quote a temperature range. Holding one from -40C to +60C co...
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Sometimes the deliverable is a drawing and a CAD model rather than a f...
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Six hundred volts is an awkward voltage. Solving it with a transformer...
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Seventeen models, one series. Covering a whole product family from a s...
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Some OEMs design their own air path and want the motor only. That chan...
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In-Depth Analysis of External Rotor Axial Flow Fans Structural Princip...
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