JPS6018660U

JPS6018660U - Cooling fins for external fan motor

Info

Publication number: JPS6018660U
Application number: JP10891683U
Authority: JP
Inventors: 肇藤田; 芳廣高田; 土居　信之
Original assignee: 株式会社日立製作所
Priority date: 1983-07-15
Filing date: 1983-07-15
Publication date: 1985-02-08

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図は外扇形モーターの従来の冷却フィン形状を示す
モーターの断面図、第２図は矩形翼まわりの流れ図、第
３図は３角翼まわりの流れ図、第４図は本考案の一実施
例の断面図、第５図は本考案のフィン列の上面図、第６
図は従来のフィン列の上面図であ。１・・・ファンカバー、２・・・冷却ファン、３・・・
ファンカバー取付部、４・・・ハウジング、５・・・従
来の冷却フィン、６・・・ステータ、７・・・コイルエ
ンド、８・・・ロータ、９・・・軸受、１ｏ・・・軸、
１１・・・流入流れ、１２・・・矩形翼、１３・・・前
縁、１４・・・はく離した流れ、１５・・・三角翼、１
６・・・三角翼の前縁渦。Figure 1 is a sectional view of the motor showing the conventional cooling fin shape of an external fan-shaped motor, Figure 2 is a flow diagram around rectangular blades, Figure 3 is a flow diagram around triangular blades, and Figure 4 is an implementation of the present invention. FIG. 5 is a cross-sectional view of the example, and FIG. 5 is a top view of the fin row of the present invention.
The figure is a top view of a conventional fin row. 1...Fan cover, 2...Cooling fan, 3...
Fan cover mounting part, 4... Housing, 5... Conventional cooling fin, 6... Stator, 7... Coil end, 8... Rotor, 9... Bearing, 1o... Shaft ,
11... Inflow flow, 12... Rectangular wing, 13... Leading edge, 14... Separated flow, 15... Triangular wing, 1
6... Leading edge vortex of a triangular wing.

Claims

[Scope of utility model registration request]

An external fan-shaped motor having a fully enclosed housing with cooling fins on the outer periphery, a cooling fan, and a fan cover, characterized in that the tips of the fins into which cooling air discharged from the fan flows are triangular. cooling fins.