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US09447797B2 Servovalve actuation 有权
伺服阀驱动

Servovalve actuation
摘要:
A servovalve pilot stage (100) comprises a piezoelectric actuator (130) joined to a flow guide (132) and feedback wire (136) for connection to a main stage spool valve. The flow guide (132) and the piezoelectric actuator (130) may be integral.
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