Patent ID: 9598992
Date: 2017-03-21
CPC Classifications: B01D,F01M,F02F

Claim:
1. A separation device for separating a gas flow, comprising: a raw chamber receiving a contaminated gas, a clean chamber, out of which a treated gas exits, a dividing wall separating the raw chamber from the clean chamber, the dividing wall including a perforated region defining a plurality of passage openings, through which the gas flow communicates from the raw chamber into the clean chamber, a gas-permeable separation structure arranged on a wall outlet side of the dividing wall facing the clean chamber, wherein the separation structure separates contaminates from the gas flow when subjected to a through-flow; wherein the separation structure is secured to the dividing wall, the dividing wall including at least one welding rib to which the separation structure is welded; wherein the plurality of passage openings on the wall outlet side are each surrounded by a collar that projects from the dividing wall in a direction towards the clean chamber; and wherein a structure inlet side of the separation structure facing the dividing wall is spaced from a face end of the respective collars facing the separation structure.