JPS6218394U

JPS6218394U -

Info

Publication number: JPS6218394U
Application number: JP10982385U
Authority: JP
Priority date: 1985-07-18
Filing date: 1985-07-18
Publication date: 1987-02-03

Description

[Brief explanation of the drawing]

第１図は要部拡大断面図、第２図は一部断面し
た側面図、第３図は電気回路ブロツク図、第４図
は外側回転子とボス部部分の背面図、第５図は第
４図と同様部分を示す他の実施例の背面図である
。１１……ＤＣブラシレスモータ（外転型電動機
）、３５……ボス部、３６……送風羽根、３８…
…取付部、４８……外側回転子、５５……環状溝
。 Fig. 1 is an enlarged sectional view of the main parts, Fig. 2 is a partially sectional side view, Fig. 3 is an electric circuit block diagram, Fig. 4 is a rear view of the outer rotor and boss portion, and Fig. 5 is a partial cross-sectional side view. FIG. 4 is a rear view of another embodiment showing the same portion as FIG. 4; 11... DC brushless motor (external rotor type motor), 35... Boss part, 36... Air blower blade, 38...
...Mounting portion, 48...Outer rotor, 55...Annular groove.

Claims

[Claims for Utility Model Registration] 1. In a device in which a cup-shaped boss portion of a blower blade is fitted onto the outer rotor of an external rotor type electric motor, the outer peripheral portion of the attachment portion of the motor and the open end of the boss portion A blower formed by arranging and forming a laviniens seal structure. 2. The blower according to claim 1, wherein an annular groove is formed in the outer circumferential portion of the mounting portion, and the end of the boss portion is inserted into the annular groove to form a lavinience seal structure. 3. The blower according to claim 1 or 2, which uses a DC brushless motor as the external motor.