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device and method for protecting a nedsenkt momentmotor against fororening.
device and method for protecting a nedsenkt momentmotor against fororening.
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机译:用于保护nedsenkt力矩电动机免于锻造的装置和方法。
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摘要
An immersed electromagnetic torque motor having a movable flapper is protected against the accumulation of contamination in magnetic gaps of the motor and the resulting jamming of the motor by coating the motor with a lacquer or other fluid-impermeable material and mounting the motor in a blind fluid chamber from which the flapper projects. An aperture is provided in the coating at a low flux area on the exterior of the motor to admit the immersing fluid for purposes of mechanical damping and, at the same time, to restrict the migration of fluid and contaminants toward magnetic gaps within the torque motor.
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