JPH02139398U - - Google Patents
Info
- Publication number
- JPH02139398U JPH02139398U JP4783089U JP4783089U JPH02139398U JP H02139398 U JPH02139398 U JP H02139398U JP 4783089 U JP4783089 U JP 4783089U JP 4783089 U JP4783089 U JP 4783089U JP H02139398 U JPH02139398 U JP H02139398U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- main plate
- end portions
- blade
- shape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の一実施例による遠心送風機の
羽根板接合部斜視図、第２図は同遠心送風機の羽
根車の断面図、第３図は同羽根車と従来の羽根車
との性能比較図、第４図は従来の遠心送風機の羽
根車の羽根板接合部斜視図である。
１…羽根板、１ａ，１ｂ，１ｃ…折り返し部、
１ｄ…外縁部、１ｅ…末端部、２…主板、３…側
板、３ａ…溝部。
Fig. 1 is a perspective view of the blade joint of a centrifugal blower according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of the impeller of the centrifugal blower, and Fig. 3 shows the performance of the same impeller and a conventional impeller. A comparative view, FIG. 4, is a perspective view of the blade plate joint of the impeller of a conventional centrifugal blower. 1... Feather plate, 1a, 1b, 1c... Folded part,
1d... Outer edge portion, 1e... End portion, 2... Main plate, 3... Side plate, 3a... Groove portion.
Claims (1)
、リング状の側板を前記主板と相対して前記羽根
板を挟持し、前記挟持部は前記主板および前記側
板の外周を折り返し溝部を設け、前記羽根板の端
部を挟み込み巻き締めとし、前記端部は外周側で
はＬ字形の一回の折り返しとし、内周側ではＺ形
の３回の折り返し形状とした遠心送風機の羽根車
。 A plurality of blade plates are erected on the outer peripheral edge of a disc-shaped main plate, and a ring-shaped side plate is opposed to the main plate to sandwich the blade plate, and the clamping part folds back the outer periphery of the main plate and the side plate to form a groove. The impeller of the centrifugal blower is provided, and the end portions of the blade plates are sandwiched and rolled up, and the end portions are folded once in an L-shape on the outer circumferential side and folded back three times in a Z-shape on the inner circumferential side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4783089U JPH0740716Y2 (en) | 1989-04-24 | 1989-04-24 | Centrifugal blower impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4783089U JPH0740716Y2 (en) | 1989-04-24 | 1989-04-24 | Centrifugal blower impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02139398U true JPH02139398U (en) | 1990-11-21 |
| JPH0740716Y2 JPH0740716Y2 (en) | 1995-09-20 |
Family
ID=31564109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4783089U Expired - Lifetime JPH0740716Y2 (en) | 1989-04-24 | 1989-04-24 | Centrifugal blower impeller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740716Y2 (en) |
-
1989
- 1989-04-24 JP JP4783089U patent/JPH0740716Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740716Y2 (en) | 1995-09-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |