Armature rotors of electromagnetic brakes

Details Armature rotors of electromagnetic brakes Armature rotors of electromagnetic brakes

H - Electricity

02

K

310/28, 310/33

H02K 49/04 (2006.01)

Patent

CA 1281357

IMPROVEMENTS IN OR TO ARMATURE ROTORS OF ELECTROMAGNETIC BRAKES ABSTRACT To improve the cooling of the rotor armature disc of an electromagnetic brake, connected to an external web by a ring of arms forming ventilation fins, said web bounding with the disc and the portions of fins which connect it to this disc, channels for ventilation air, on one at least of the surfaces bounding said channels internally, striae or ondulations are provided consti- tuted by ribs extending in directions inclined to the direction of flow of the air in the channels. The ratio between the spacing of the successive ribs and the height of these ribs is comprised between 5 and 15. Figure 1

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