Patent ID: 11859640
Assignee: ZIEHL-ABEGG SE
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A housing for a fan, comprising
a fan having an impeller and at least one flow-through region, and
multiple individual, free-standing guide elements immediately downstream of the impeller or blades of the impeller in an outer region of the housing, wherein the individual free-standing guide elements extend radially away from a housing inner wall by slightly less or slightly more than the width of an annular gap formed between the blades of the impeller and the housing inner wall, wherein the ratio of the height of the individual free-standing guide element to the width of the annular gap is in a range from 0.8 to 3.0 and wherein an axial distance of the individual free-standing guide element to a blade of the impeller on the housing inner wall is less than 8 times the width of the annular gap.