Rotor for rotary electrical machinery

Details Rotor for rotary electrical machinery Rotor for rotary electrical machinery

1992-11-20

1994-03-29

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 43, 310 44, H02K 2112

Patent

active

052988260

ABSTRACT:
A rotor for rotary electrical machinery comprising a permanent-magnet member made of a mixture having ferromagnetic material powder and a binder resin for chief ingredients, and a shaft, in which a recess whose projected contour on a plane orthogonally intersecting the axial line of the permanent-magnet member is of a non-circular shape is provided at least an end face of the permanent-magnet member, and a shaft is press-fit into a metallic bush fitted to the recess, thereby ensuring high coaxiality tolerance between the permanent-magnet member and the shaft, easy assembly and low manufacturing cost.

REFERENCES:
patent: 2680822 (1954-06-01), Brainard
patent: 2985779 (1961-05-01), Flaningam
patent: 3164735 (1965-01-01), Lichowsky
patent: 4674178 (1987-06-01), Patel
patent: 4748359 (1988-05-01), Yahara
patent: 4906882 (1990-03-01), Erndt

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