Blower unit for arrangement between a breathing mask, respirator hood or suspense protection helmet and a filter unit, as well as a protective breathing mask respirator hood or suspense protection of the helmet.

摘要

Blower unit (10) for arrangement between a respirator mask, a respirator hood or a - breath protection helmet and a filter unit,with an inlet opening (12) to the air inlet and an outlet opening (14) to the air outlet,wherein a the inlet opening (12) surrounding the threaded section (16) with an internal thread (18) for screwing in of a filter unit and a surrounding the outlet opening (14) on the mask, which fastening section (20) is provided, wherein the inner diameter (d₁) of the threaded portion (16) is substantially equal to the internal diameter (d₂) of the fastening section (20) is,and with an intermediate portion (24) between the threaded portion (16) and the fastening section (20), wherein in the intermediate section (24) a motor (28) with a rotor (30) is placed, characterized in,that the rotor (30) is configured as an axial rotor, which, during operation, air in the axial direction, wherein the diameter (d₄) of the rotor in the substantially equal to or smaller than the inside diameter (d₁) of the threaded portion (16) and / or the inner diameter (d₂) of the fastening section (20) is.