Patent ID: 11873799
Assignee: WOBBEN PROPERTIES GMBH
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  H  Y | IPC F

Claim 3:
4. The air cooling device as claimed in claim 1, wherein:
the first, second, and third acute angles are equal, or
the first acute angle is smaller than at least one of the second or third acute angles, or
the first acute angle is larger than at least one of the second or third acute angles, or
starting from the cooling unit outer surface, the first air deflection unit extends in the radial direction with a first height, the second air deflection unit extends in the radial direction with a second height, and the third air deflection unit extends in the radial direction with a third height, wherein:
the first, second, and third height are equal, or
the first height is smaller than at least one of the second or third heights, or

starting from the cooling unit outer surface, the first air deflection unit extends in the axial direction with a first length, the second air deflection unit extends in the axial direction with a second length, and the third air deflection unit extends in the axial direction with a third length, wherein:
the first, second, and third length are equal, or
the first length is smaller than at least one of the second or third lengths, or
the first length is larger than at least one of the second or third lengths.