Rotor shaft with integral wedge retainers for core of a two-pole

Details Rotor shaft with integral wedge retainers for core of a two-pole Rotor shaft with integral wedge retainers for core of a two-pole

1993-05-07

1994-06-28

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 91, 310208, 310216, H02K 122

Patent

active

053250095

ABSTRACT:
A two-pole generator rotor assembly (100) including a core (120) and a shaft for mounting the core (120). The shaft includes a pair of shaft end portions (117, 119), with each of the shaft end portions (117, 119) including an integrally formed axially extending retaining wedge portion (134) adapted to mount and retain the core (120) in the rotor assembly (100). The wedge retaining portions (134) include opposed surface portions arranged so as to define therebetween a slot for accommodating the core (120) when the shaft end portions (117, 119) are assembled so that the core (120) and shaft end portions (117, 119) form a rotor subassembly. An outer containment (114) is shrink fitted on the rotor subassembly. A tongue and groove connection (38a, 39) is provided between the respective retaining wedge portions (134) and associated shaft end portions (117, 119) so as to interlock the two end shaft portions (117, 119) together.

REFERENCES:
patent: 3656017 (1972-04-01), Inagaki
patent: 4024628 (1977-05-01), Crites
patent: 4510679 (1985-04-01), Aleem et al.
patent: 4562641 (1986-01-01), Mosher et al.
patent: 4591749 (1986-05-01), Gauthier et al.
patent: 4598218 (1989-07-01), Aleem et al.
patent: 4614888 (1986-09-01), Mosher et al.
patent: 4625135 (1986-11-01), Kasabian
patent: 4674178 (1987-06-01), Patel
patent: 4757603 (1988-07-01), Stokes

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