Patent ID: 6200215
Filing Date: 2001-03-13
Classification: F24F

Abstract:
A fan module for clean room applications, comprising:outer, vertical restriction walls with a lower edge part having a planar lower surface as well as an element protruding from an outer edge of said planar lower surface for cooperation with a filter docking module provided in a roof filter frame having a substantially planar upper surface with an extension corresponding to said planar lower surface, said protruding element being designed to overlap part of the filter docking module,a fan with an inlet channel for air,restriction walls defining a discharge room for air leaving said fan,air flow influence means arranged in said inlet channel and discharge room, andnoise absorbing material provided on said air flow influence means and said walls of said discharge room, said noise absorbing material having a waved surface with troughs and crests arranged in parallel with the direction of the air flow.