Wedge locking device in a radially ventilated rotor

Details Wedge locking device in a radially ventilated rotor Wedge locking device in a radially ventilated rotor

1987-02-20

1988-04-19

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, 310 55, 310 64, 310 91, H02K 348

Patent

active

047392070

ABSTRACT:
A method and apparatus for locking the wedges used in a dynamoelectric machine having a radically ventilated rotor keys each wedge to its respective damper bar. By inserting a solid key in a selected keyway proximate to a point midway along the length of the rotor, and inserting split keys elsewhere, accumulated axial migration of the wedges relative to their respective damper bar is limited thereby ensuring adequate ventilation through the radically extending ducts.

REFERENCES:
patent: 2917644 (1959-12-01), Laffon
patent: 3110827 (1963-11-01), Baudry
patent: 3119033 (1964-01-01), Horsley
patent: 3139550 (1964-06-01), Geer
patent: 3243622 (1966-03-01), Whittlesey
patent: 3265912 (1966-08-01), Baudry
patent: 3821568 (1974-06-01), Gillet
patent: 4251745 (1981-02-01), Germann
patent: 4369389 (1983-01-01), Lambrecht
patent: 4547688 (1985-10-01), Hammer
patent: 4547690 (1985-10-01), Bath

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