Rotary electric machine rotor and a method of manufacturing the

Details Rotary electric machine rotor and a method of manufacturing the Rotary electric machine rotor and a method of manufacturing the

1981-01-07

1983-03-22

Miller, J. D.

Electrical generator or motor structure

Dynamoelectric

Rotary

29 29, 29525, 310259, 310261, H02K 1502

Patent

active

043777627

ABSTRACT:
A rotary electric machine rotor comprises a rotary shaft which is formed with a plurality of protuberances projecting beyond a basic circle and extending in a lengthwise direction, and a core which is made of a plurality of core segments smaller in deformation resistance than that of the rotary shaft. The rotary shaft is plastically pressed into the core and has an annular groove formed at a position of the rotary shaft somewhat inward of an end face of the core. The core is plastically deformed and a part of the core is filled fully in the annular groove while axially pressing the core.

REFERENCES:
patent: 3603825 (1971-09-01), Sheridan
patent: 3650022 (1972-03-01), Stone
patent: 3699637 (1972-10-01), Rosiek
patent: 3707038 (1972-12-01), Hallerback
patent: 3872578 (1975-03-01), Ullom
patent: 3909642 (1975-09-01), Busian
patent: 4028568 (1977-06-01), Tatsumi et al.
Rich, L. M., "15 Ways to Fasten Gears to Shafts", Product Engineering, May 30, '60.

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