JPH02115995U

JPH02115995U -

Info

Publication number: JPH02115995U
Application number: JP2493489U
Authority: JP
Priority date: 1989-03-03
Filing date: 1989-03-03
Publication date: 1990-09-17

Description

[Brief explanation of the drawing]

第１図は扇風機の概略を示す斜視図、第２図は
送風フアンの略体正面図、第３図は第２図−
線の縦断面図、第４図は従来例を示す説明図であ
る。図中１は送風装置としての扇風機、９はボス、
１５は副羽根の一部を構成する第１の羽根、１７
は副羽根の一部を構成する第２の羽根、１９は主
羽根である。 Figure 1 is a schematic perspective view of the electric fan, Figure 2 is a schematic front view of the fan, and Figure 3 is Figure 2-
FIG. 4, a vertical cross-sectional view along a line, is an explanatory diagram showing a conventional example. In the figure, 1 is a fan as a blower, 9 is a boss,
15 is a first blade constituting a part of the sub-wing; 17
19 is a second blade constituting a part of the auxiliary blade, and 19 is a main blade.

Claims

[Scope of Claim for Utility Model Registration] A blower device that forms an air flow using a blower fan that rotates as an electric motor is driven, comprising: a boss to which a rotating shaft of the electric motor is attached; and a cylinder with a required gap between the boss and the boss. a plurality of main blades that are provided on the outer periphery of the cylindrical part and form an airflow; and a plurality of main blades that are provided in the gap between the boss and the cylindrical part and form an airflow in the same direction as the main blades on the front end surface side of the boss. A blower device characterized by comprising: a sub-blade;