Silent range hood

Silent range hood

  • CN 103,697,512 A
  • Filed: 11/30/2013
  • Published: 04/02/2014
  • Est. Priority Date: 11/30/2013
  • Status: Active Application
First Claim
Patent Images

1. a silence exhauster for removing cooking fumes, comprise casing (1) and there is the exhaust fume collecting hood (2) of air inlet, in described casing (1), be provided with spiral case (3), described spiral case (3) has the air port of advancing (31) and rear air inlet (32), it is characterized in that, the position in the upper air port of advancing (31) over against described spiral case (3) of front cover plate (11) of described casing (1) is provided with sound-absorbing kuppe (13), between described sound-absorbing kuppe (13) and front cover plate (11), form airtight cavity, on the rear board (131) relative with the air port of advancing (31) of described sound-absorbing kuppe (13), offer the first micropore (1311) that a plurality of and described airtight cavity is communicated with, in described airtight cavity, be filled with the first acoustical cotton (136).

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