Fan cooling of an electric engine

Details Fan cooling of an electric engine Fan cooling of an electric engine

2011-08-09

2011-08-09

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S062000, C310S063000, C310S064000

Reexamination Certificate

active

07994667

ABSTRACT:
An air cooling arrangement for an electric engine comprises a rotor, a stator disposed co-axially on the rotor, and a partition disposed between the rotor and the stator and extending along a complete axial length of the rotor and mounted on the rotor so as to be in co-rotational communication with the rotor, the partition providing a segregated cooling air flow so as to prevent a radial flow of cooling air from the rotor to the stator. The arrangement further comprises at least one fan configured to provide cooling air to the rotor and the stator, wherein the partition partitions and segregates the at least one fan and provides an inner fan and an outer fan and extends between the inner fan and the outer fan.

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