JPS59173463U

JPS59173463U - dc machine

Info

Publication number: JPS59173463U
Application number: JP6695783U
Authority: JP
Inventors: 耕造山田
Original assignee: 株式会社東芝
Priority date: 1983-05-06
Filing date: 1983-05-06
Publication date: 1984-11-20

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 the drawing]

第１図は従来の直流機の通風方式を示す断面図、第２図
は本考案の一実施例による直流機の断面図、第３図は本
考案の他の実施例を示す直流機の部分断面図である。１・・・電機子鉄心、２３．２ｂ・・・電機子コイルエ
ンド通風部、３・・・整流子、４．　５．　６・・・冷
却風、７・・・軸、８・・・固定子仕切板、９・・・リ
ブ、１０・・・シャフト仕切板、１１・・・ラジアルダ
クト、１２・・・整流子胴、１３・・・通風穴、１４．
１７・・・冷却風、１５・・・ライザー、１６・・・整
流子仕切板、１８・・・押工板、１９・・・仕切板。Fig. 1 is a sectional view showing the ventilation system of a conventional DC machine, Fig. 2 is a sectional view of a DC machine according to an embodiment of the present invention, and Fig. 3 is a section of a DC machine showing another embodiment of the present invention. FIG. 1... Armature core, 23.2b... Armature coil end ventilation section, 3... Commutator, 4. 5. 6... Cooling air, 7... Shaft, 8... Stator partition plate, 9... Rib, 10... Shaft partition plate, 11... Radial duct, 12... Commutator body , 13... ventilation hole, 14.
17... Cooling air, 15... Riser, 16... Commutator partition plate, 18... Pressing plate, 19... Partition plate.

Claims

[Scope of utility model registration request]

In a DC machine in which an armature and a commutator are arranged side by side on a rotating shaft, and cooling air is sent in the axial direction from the side opposite to the commutator, an axial ventilation passage is provided in the body of the commutator, and this ventilation A DC machine characterized in that a portion of the cooling air is caused to flow back to the armature side through a channel. .