Invention Grant
US08704414B2 Machines and methods and assembly for same 有权
机器和方法和装配相同

Machines and methods and assembly for same
Abstract:
An operating device for a machine includes a shaft having a channel extending through the shaft and includes a fluid mover coupled to the shaft. The fluid mover is in flow communication with the channel to channel a fluid through the channel to facilitate treating the shaft with the fluid.
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