Generator with retaining ring key that reduces rotor tooth stres

Details Generator with retaining ring key that reduces rotor tooth stres Generator with retaining ring key that reduces rotor tooth stres

1999-04-08

2000-09-26

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310270, 310260, 310267, 310214, 310216, H02K 118

Patent

active

061246611

ABSTRACT:
An electrical generator having a keyway for a retaining ring key formed in only the pole portion of the rotor and not in the tooth region of the rotor, and a method of repairing an electrical generator by forming such a keyway. The present invention lengthens the operating life of the rotor by eliminating a stress-concentrating discontinuity and by reducing the loads in the highly stressed tooth region of the rotor.

REFERENCES:
patent: 4071788 (1978-01-01), Martin et al.
patent: 4316114 (1982-02-01), Zagorodnava et al.
patent: 4912354 (1990-03-01), Frank
patent: 4967465 (1990-11-01), Frank
patent: 5068564 (1991-11-01), Frank
patent: 5174011 (1992-12-01), Weigelt
patent: 5528097 (1996-06-01), Gardner et al.
patent: 5861698 (1999-01-01), Murphy
patent: 5883456 (1999-03-01), Gardner et al.

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