发明申请
US20110308630A1 HELMHOLTZ DAMPER AND METHOD FOR REGULATING THE RESONANCE FREQUENCY OF A HELMHOLTZ DAMPER 有权
HELMHOLTZ阻尼器和调节HELMHOLTZ阻尼器谐振频率的方法

HELMHOLTZ DAMPER AND METHOD FOR REGULATING THE RESONANCE FREQUENCY OF A HELMHOLTZ DAMPER
摘要:
A Helmholtz damper, including an enclosure, a neck extending from the enclosure, and a pipe for inserting into the neck. The portions of the pipe inserted into the neck is adjusted to regulate a resonance frequency of the Helmholtz damper.
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