Guilherme Hartenberg Watson,Wade O'Moore,Horia Blendea,Renato Colja,Robert J. McMillen
申请号:
US16359709
公开号:
US20200069508A1
申请日:
2019.03.20
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A pneumatic system includes a fluidic switching module having an air passage and a vent in fluid communication with the air passage. The pneumatic system also includes a sound attenuator coupled to the fluidic switching module, the sound attenuator having a first chamber in fluid communication with the vent, a first orifice in fluid communication with the vent via the first chamber, a second chamber in fluid communication with the first chamber via the first orifice, and a second orifice in fluid communication with the first orifice via the second chamber.