Self-ventilated electric motor, especially for spinning-mill machines

摘要

In the case of known self-ventilated electric motors on whose motor shaft a fan is mounted which is surrounded by a fan shroud, thread residues or blown-off fluff carried in the ventilation flow can lead to defects caused by the fan and the electric motor jamming. In the case of the new electric motor (12), a filter shroud (1) is provided which contains a frame (31) and a filter (33) arranged on it, the frame (31) surrounding the induction opening (24) of the fan shroud(22) such that it forms a seal. The thread residues (11) are deposited on the filter (33) and fall downwards as a result of their own weight when the motor is stationary. Self-ventilated electric motor for ring spinning frames. <IMAGE>