Method and apparatus for fabricating vent plate having bow-tie s

Details Method and apparatus for fabricating vent plate having bow-tie s Method and apparatus for fabricating vent plate having bow-tie s

1977-08-25

1979-01-16

Schran, Donald R.

Cutting

Processes

With reorientation of work between cuts

83 71, 83552, 83925R, B26F 104, B26D 530

Patent

active

041343174

ABSTRACT:
A vent plate for supporting a finger having a rivet portion is disposed intermediate adjacent core laminations 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 plurality 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.

REFERENCES:
patent: 3449991 (1969-06-01), Daniels
patent: 3481033 (1969-12-01), Weiss et al.
patent: 3853029 (1974-12-01), Todd
patent: 3902389 (1975-09-01), Brown
patent: 3938416 (1976-02-01), Beauplat

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