Patent ID: 6647775
Filing Date: 2003-11-18
Classification: G01F

Abstract:
In a device for measuring at least one parameter of a medium flowing in a line, in particular the aspirated air mass of an internal combustion engine, having a tubular body, disposed in a line and experiencing the flow of the medium through it in the flow direction, and having a measuring element bathed by the medium and disposed in a flow passage of the tubular body, the flowing medium in the flow passage having regions of flow, at least one of the regions of flow is in contact with the measuring element, the improvement wherein at least partly upstream of the measuring element (25), a protective screen (28) is disposed inside the flow passage (11) of the tubular body (8) and has screen openings (32) with center lines (41), which when the protective screen (28) is disposed in the tubular body (8) extend in inclined fashion relative to the flow direction (5), so that dirt particles and liquid droplets entrained by the flowing medium are diverted downstream of the protective screen (28) into a region of the flowing medium which does not come in contact with the measuring element (25).