JPH0435653U

JPH0435653U -

Info

Publication number: JPH0435653U
Application number: JP7768290U
Authority: JP
Priority date: 1990-07-20
Filing date: 1990-07-20
Publication date: 1992-03-25

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例によるスキンスト
レス構造の突極形回転電機を示す一部断面図、第
２図は第１図の−線の断面図、第３図は従来
の突極形回転電機を示す一部断面図、第４図は第
３図の−線の断面図である。図中、１はスキンストレス軸、２は磁極、３は
固定子鉄心、４は固定子コイル、５は通風ダクト
、６は冷却フアン、７は開口部、８は通風孔であ
る。なお、図中同一符号は同一又は相当部分を示
す。 Fig. 1 is a partial sectional view showing a salient pole rotating electric machine with a skin stress structure according to an embodiment of this invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a conventional salient pole type rotating electric machine. FIG. 4 is a partial cross-sectional view showing the rotating electric machine, and FIG. 4 is a cross-sectional view taken along the - line in FIG. In the figure, 1 is a skin stress axis, 2 is a magnetic pole, 3 is a stator core, 4 is a stator coil, 5 is a ventilation duct, 6 is a cooling fan, 7 is an opening, and 8 is a ventilation hole. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A salient pole rotor having a skin stress structure, in which openings and ventilation holes are provided in the axial direction of the shaft and between the magnetic poles on the outer periphery of the shaft to communicate with each other and allow cooling fluid to pass therethrough. Electric machine rotor.