Patent ID: 8511427

Claim:
Blower arrangement, in particular a side channel blower arrangement, for gas with a blower, comprising: a blower housing, at least one gas inlet opening formed in the blower housing, at least one gas outlet opening formed in the blower housing, which gas outlet opening is in flow connection with the at least one gas inlet opening, and at least one rotary-driven blower wheel arranged in the blower housing for conveying the gas from the at least one gas inlet opening to the at least one gas outlet opening, and at least one silencer device with at least one gas guiding element for guiding the gas, said gas guiding element arranged in a housing and delimits outwardly a gas flow channel, wherein the at least one gas guiding element comprises a plurality of silencer openings, wherein the gas guiding element is designed as a gas guiding pipe, wherein the gas guiding pipe varies its cross section along its longitudinal extension, and wherein the gas guiding pipe has a wall, which is designed to be wave-like along the longitudinal extension of the gas guiding pipe, and a plurality of silencer chambers, which are in flow connection with the silencer openings, the plurality of chambers are arranged along the longitudinal extension of the at least one gas guiding element, outward of the gas guiding element, and inward of the housing; are each separated from one another by a plurality of walls arranged along the longitudinal extension of the gas guiding element, each of said plurality of chambers is delimited by an adjacent pair of said plurality of walls.