Method and apparatus for fabricating vent plate having...

Details Method and apparatus for fabricating vent plate having... Method and apparatus for fabricating vent plate having...

B - Operations, Transporting

26

F

342/22, 164/88

B26F 1/04 (2006.01)

Patent

CA 1081602

METHOD AND APPARATUS FOR FABRICATING VENT PLATE HAVING BOW-TIE SLOT ARRANGEMENT ABSTRACT OF THE DISCLOSURE A vent plate for supporting a finger having a rivet portion is disposed intermediate adjacent core lamina- tions in a dynamoelectric machine. A plurality of finger members secured to the vent plate cooperate with the core laminations to define a ventilation duct for circulation of a cooling gas through the core. The vent plate has a plur- ality of slot openings arranged to receive the rivet portions of each finger. The vent plate slots are characterized by a bow-tie outline defined by intersecting planar and curved side surfaces which permits variable orientation of rivet portions through a predetermined angular range.

315626

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