Apparatus for generating amplified cooling air flows

Details Apparatus for generating amplified cooling air flows Apparatus for generating amplified cooling air flows

2008-01-04

2010-02-23

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S012010

Reexamination Certificate

active

07667355

ABSTRACT:
A linear motor comprising a coil assembly and a magnet assembly is provided with a cooling apparatus which comprises a segmented air knife assembly. The segmented air knife assembly has a plurality of slot openings distributed along its length which is coupled to the linear motor and it is operative to discharge cooling air into a gap between the coil assembly and magnet assembly in a discharge direction. An inclined surface extends from the plurality of slot openings and slopes at an obtuse angle away from the discharge direction of the cooling air. Each slot opening is individually configured to discharge the cooling air in the discharge direction at a sufficient velocity so as to entrain atmospheric air along the inclined surface to amplify the cooling air that is so discharged.

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