JPS63100940U

JPS63100940U -

Info

Publication number: JPS63100940U
Application number: JP19439286U
Authority: JP
Priority date: 1986-12-19
Filing date: 1986-12-19
Publication date: 1988-06-30

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す回転子磁極部
分の断面図、第２図は第１図の―線に沿つて
切断し矢印方向にみた断面図、第３図は従来の突
極形回転電機の縦断面図、第４図は第３図の平面
図、第５図は異る他の従来例を示す突極形回転機
の平面図、第６図は第５図の磁極部分拡大図であ
る。３……リム、３Ａ……リムダクト、４……磁極
、１１……増速ブロツク、１４……冷却溝、１５
……界磁コイル。 Fig. 1 is a sectional view of the rotor magnetic pole portion showing an embodiment of the present invention, Fig. 2 is a sectional view taken along the - line in Fig. 1 and viewed in the direction of the arrow, and Fig. 3 is a sectional view of a conventional salient pole. FIG. 4 is a plan view of FIG. 3, FIG. 5 is a plan view of a salient pole rotating machine showing another conventional example, and FIG. 6 is a magnetic pole portion of FIG. 5. It is an enlarged view. 3... Rim, 3A... Rim duct, 4... Magnetic pole, 11... Speed increasing block, 14... Cooling groove, 15
...field coil.

Claims

[Scope of utility model registration request]

It has a rotor consisting of a spider boss welded to a rotating shaft, a rim attached to this spider boss, and a plurality of salient poles attached to this rim, and cooling air is directed to a stator arranged around the rotor. In order to send cooling air, axial and radial ducts for ventilation are provided in the spider boss and the rim to guide cooling air between the salient poles, so that the fan actions of the spider boss, rim duct, and salient poles are simultaneously utilized. In order to increase the heat transfer coefficient of the field coil by the air injected from the rim duct or the duct between the rim plates, an air speed increasing block is provided between the poles, and an air flow is created on the surface of the field coil. A rotor for a salient pole rotating electrical machine characterized by having grooves parallel to the rotor.