Silencer BN Series Brushless DC Motors

Brushless Motor Gives Oxygen Therapy the Silent Treatment

July 30, 2021
Moog’s Silencer BN Series doesn’t trade off size for noise.

For patients reliant on oxygen therapy for a severe lung disease, oxygen concentrators offer more mobility than heavy, bulky oxygen tanks, but still can be noisy and tiring. Enter the Silencer BN Series Brushless DC Motors. The smallest Silencer motor, including housing, measures 1.2 in. in diameter and 1.3 in. long. The Silencer series motors have a continuous torque ranging from 2.4 to 519 oz. per inch, speeds up to 20,000 rpm and range-rated power up to 874 watts.

The Silencer’s high level of efficiency also ensures a longer battery operating life for oxygen concentrators, whether running in a pulse-flow or continuous mode. Moog also designed the Silencer with high-energy magnets and exceptional winding density to not only reduce the motor’s size, but also generate nearly twice as much torque as conventional stator technology.


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