| 摘要 |
In an electric motor including a rotor on which is mounted a blower and a centrifugal actuator having spring-loaded lever members projecting through a centrally disposed recess in the spaced radial blade carrying back plate of the blower, an improved cover assembly arranged to be mounted on the rotor in interfitting relation with the spaced radial blades of the blower to cover the centrally disposed recess preventing contaminant build-up on the centrifugal actuator.
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