| 摘要 |
The invention relates to an electric motor for electric fans having a casing with at least a lid with a hermetic seal and a method for assembly of the motor. The motor ( 1 ) comprises a casing ( 2 ) consisting of a cup-shaped part ( 5 ) and a lid ( 6 ) and an O-ring seal ( 7 ) inserted between them, the seal ( 7 ) comprising retaining means ( 8 ) so that it remains applied to one of the elements, either the lid ( 6 ) or the cup-shaped part ( 5 ). The method for assembly includes the steps of inserting an O-ring seal ( 7 ) in a seat ( 10 ) in the lid ( 6 ) or in the cup shaped part ( 5 ), the O-ring seal ( 7 ) having retaining rings ( 11 ); and inserting each retaining ring ( 11 ) on a respective fixing pin ( 15 ) present in the lid ( 6 ) or in the cup-shaped part ( 5 ), so that the seal ( 7 ) remains positioned in the seat ( 10 ) applied to one of the elements, either the lid ( 6 ) or the cup-shaped part ( 5 ).
|
