JPH02103199U

JPH02103199U -

Info

Publication number: JPH02103199U
Application number: JP1201189U
Authority: JP
Priority date: 1989-02-03
Filing date: 1989-02-03
Publication date: 1990-08-16

Description

[Brief explanation of drawings]

第１図は本考案の一実施例における遠心送風機
の羽根車を用いた送風機の断面図、第２図は第１
図の要部断面図、第３図は第１図の羽根車内外の
流れを示した模式図、第４図は従来の遠心送風機
の羽根車を用いた送風機の断面図、第５図は第４
図の羽根車内外の流れを示す第１の模式図、第６
図は第４図の羽根車内外の流れを示す第２の模式
図である。１１……主板、１２……側板、１３……羽根板
、１４……第１の網、１９……第２の網。 Fig. 1 is a sectional view of a centrifugal blower using an impeller according to an embodiment of the present invention, and Fig. 2 is a cross-sectional view of a centrifugal blower using an impeller.
Figure 3 is a schematic diagram showing the flow inside and outside the impeller shown in Figure 1, Figure 4 is a cross-sectional view of a blower using the impeller of a conventional centrifugal blower, and Figure 5 is 4
The first schematic diagram showing the flow inside and outside the impeller shown in the figure, and the sixth diagram.
This figure is a second schematic diagram showing the flow inside and outside the impeller of FIG. 4. 11... Main plate, 12... Side plate, 13... Feather plate, 14... First net, 19... Second net.

Claims

[Scope of utility model registration request]

The main body of the impeller is composed of a main plate, a side plate, and a plurality of blade plates, and a first net formed in a cylindrical shape is attached to the front edge of each of the plurality of blade plates in a substantially continuous manner, and is further attached to the outer periphery of the impeller. An impeller for a centrifugal blower, in which a second mesh formed in a cylindrical shape is fitted onto the outside, and the mesh of the first cylindrical mesh is coarser than the mesh of the second mesh.