Silencing device for local ventilator

Silencing device for local ventilator

CN
  • CN 202,056,068 U
  • Filed: 05/15/2011
  • Issued: 11/30/2011
  • Est. Priority Date: 05/15/2011
  • Status: Active Grant
First Claim
Patent Images

1. a booster silencer comprises wind inlet silencing device, air draft silencer, silencer box (3), it is characterized in that wind inlet silencing device is connected with the air draft silencer by silencer box (3);

  • Described silencer box (3) comprises metal shell (11), sound-absorbing material (16), perforated plate and places its interior booster (17).

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