Rotor for rotary electrical machinery

申请公布号：US5298826(A)

申请号：US19920979286

申请日期：1992.11.20

申请公布日期：1994.03.29

申请人：

MABUCHI MOTOR CO., LTD.

发明人：LEE, TAKANOBU;MATSUSHITA, IKUO;TAKE, MASAO;MIFUNE, MASAHIRO

分类号：H02K1/27;H02K1/28;(IPC1-7):H02K21/12

主分类号：H02K1/27

摘要：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.

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