JPS58176541U

JPS58176541U - rotor of rotating electric machine

Info

Publication number: JPS58176541U
Application number: JP7532082U
Authority: JP
Inventors: 藤山　辰之; 山田　繁人
Original assignee: 三菱電機株式会社
Priority date: 1982-05-20
Filing date: 1982-05-20
Publication date: 1983-11-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の回転電機の鉄心部を示す縦断面図、第２
図は第１図の回転鉄心を示す側面断面図、第３図は第１
図の回転子鉄心を示す展開平面図、第４図はこの考案の
一実施例による鉄心部を示す縦断面図、第５図は第４図
の回転子鉄心を示す展開平面図、第６図は第５図のＶＩ
−ＶＩ線における断面図である。図中、４・・・・・・回転子鉄心、５，１４・・・・・
・回転子鉄心、５１・・・・・・第１の積層群、１４１
・・・・・・第２の積層群、６・・・・・・上部鉄心溝
、７・・・・・・下部鉄心溝、１０・・・・・・上部回
転干柿、１５・・・・・・広幅鉄心溝、１６・・・・・
・下部回転干柿、１７・・・・・・通風溝、１訃・・・
・・通風路。なお図中同一符号は同−又は相当部分を示
す。Figure 1 is a vertical cross-sectional view showing the iron core of a conventional rotating electrical machine;
The figure is a side sectional view showing the rotating iron core in Figure 1, and Figure 3 is a side sectional view showing the rotating iron core in Figure 1.
FIG. 4 is a vertical sectional view showing a core portion according to an embodiment of the invention; FIG. 5 is a developed plan view showing the rotor core of FIG. 4; FIG. 6 is a developed plan view showing the rotor core of FIG. is the VI in Figure 5.
It is a sectional view taken along the -VI line. In the figure, 4... rotor core, 5, 14...
・Rotor core, 51...First laminated group, 141
...Second lamination group, 6...Top core groove, 7...Bottom core groove, 10...Top rotary persimmon, 15...・・Wide core groove, 16・・・・
・Lower rotating dried persimmon, 17...Ventilation groove, 1 death...
...Ventilation duct. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A double squirrel cage rotor core in which rotor core plates made of thin plates each having an upper core groove and a lower core groove are laminated in the axial direction, and rotating dried persimmons are attached to each of the core grooves, and the rotor core has a predetermined shape. a first laminated group in which a core groove having a width larger than the first laminated group is formed, and one side of the core groove width having the normal width has a ventilation passage communicating from the lower core groove to the rotor outer shape; A predetermined layer of a second laminated group formed with a wide width is arranged, and a ventilation groove is formed along the axial direction on the side surface of the lower rotary dried persimmon in the rotation direction, and a ventilation groove is formed between the ventilation groove and the second laminated group. A rotor for a rotating electrical machine characterized by having a ventilation passage in a wide part connected upward.