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

1976-02-25

1977-12-06

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 120

Patent

active

040619370

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: 933766 (1909-09-01), Lange
patent: 1286782 (1918-12-01), Ringland
patent: 1476986 (1923-12-01), Kusterman
patent: 3123747 (1964-03-01), Glass

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