Silencer for a cooling fan of a vacuum cleaning system

Details Silencer for a cooling fan of a vacuum cleaning system Silencer for a cooling fan of a vacuum cleaning system

F - Mech Eng,Light,Heat,Weapons

01

N

172/22

F01N 1/24 (2006.01)

Patent

CA 1285886

ABSTRACT OF THE DISCLOSURE; A silencer to be mounted on the air intake of a cooling fan of an electric motor in a vacuum cleaning system. The silencer comprises a cylindrical housing closed at one end and opened at the other end. The housing is provided with perforations around its peri- phery adjacent the closed end. A sleeve made of sound absorbing mate- rial lines the inside of the housing without obstructing the perfora- tions.

536158

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