Inflow element, in particular for a combustion air flow path in the vehicle heater

摘要

Inflow element, in particular for a combustion air inflow path for a vehicle heater, comprising: a first floor area (24) and an outer circumferential wall (26) adjoining the first floor area (24) and extending essentially in the direction of a longitudinal center axis (L) of the inflow element (22) - A first inner circumferential wall (32) arranged at a radial distance from the outer circumferential wall (26) and with this delimiting a spatial region (52), - an inflow opening arrangement (38) for the inflow of air into the inflow element (22), the inflow opening arrangement (38) is provided in the first floor area (24) and designed to generate a vortex flow, the inflow opening arrangement (38) having a plurality of inflow openings (40) arranged one after the other around a first floor wall (36) of the first floor area (24) and in association therewith between at least two successive inflow openings (40) comprise a flow guide element (44) sst, wherein each flow guide element (44) is arranged between a second inner peripheral wall (42) adjoining the first bottom wall (36) and the outer peripheral wall (26), characterized in that in an axial flow guide element extension area a wall thickness of the outer peripheral wall (26) in a main inflow direction (H) oriented essentially parallel to the longitudinal center axis for producing a constriction of the inflow openings (40) increases in the flow direction.