Patent ID: 11965517
Assignee: BROSE FAHRZEUGTEILE SE & CO. KOMMANDITGESELLSCHAFT, BAMBERG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A cooling fan module comprising:
a fan assembly including a number of fan blades; and
a shroud having an upstream side and a downstream side, wherein the fan assembly is arranged to move air from the upstream side to the downstream side, wherein the shroud includes,
a first sidewall defining an opening,
a first ring extending in an axial direction from the first sidewall and including an axial face, the axial face of the first ring including a number of first axial serrations, the number of first axial serrations extending in a radial direction, the radial direction substantially orthogonal to the axial direction, so that a peak of each serration of the number of first axial serrations faces the upstream side of the shroud and surrounds the opening.