JPH0465997U - - Google Patents
Info
- Publication number
- JPH0465997U JPH0465997U JP10580890U JP10580890U JPH0465997U JP H0465997 U JPH0465997 U JP H0465997U JP 10580890 U JP10580890 U JP 10580890U JP 10580890 U JP10580890 U JP 10580890U JP H0465997 U JPH0465997 U JP H0465997U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- impeller
- centrifugal fan
- boss portion
- rotor structure
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係る遠心フアン用ロータ構造
の一実施例を示す断面図、第２図は従来例を示す
断面図である。
１１ａ，１１ｂ……軸受、１２……回転軸、１
３……ボス部、１４……羽根車、１４ａ，１４ｂ
……羽根車エレメント、１５……中空部。
FIG. 1 is a sectional view showing an embodiment of a rotor structure for a centrifugal fan according to the present invention, and FIG. 2 is a sectional view showing a conventional example. 11a, 11b...bearing, 12...rotating shaft, 1
3... Boss part, 14... Impeller, 14a, 14b
... Impeller element, 15 ... Hollow part.
Claims (1)
、この回転軸にボス部を介して被着された羽根車
とからなる両吸込型の遠心フアン用ロータ構造で
あつて、前記羽根車は、前記回転軸の軸方向で対
象形状をなす一対の羽根車エレメントを前記回転
軸の軸方向中央部で接合して構成されるものにお
いて、前記回転軸をその内部の中空部とともに軸
方向端部側から中央部側に向つて次第に大径とな
るテーパ付きとし、かつ前記羽根車のボス部を前
記回転軸の外周面に沿うテーパ付きとしたことを
特徴とする遠心フアン用ロータ構造。 A rotor structure for a double-suction type centrifugal fan consisting of a hollow rotating shaft supported at both ends by bearings, and an impeller attached to the rotating shaft via a boss portion, the impeller comprising: , a pair of impeller elements having symmetrical shapes in the axial direction of the rotating shaft are joined at the axial center of the rotating shaft, wherein the rotating shaft is joined together with the hollow portion inside the rotating shaft at the axial end thereof. A rotor structure for a centrifugal fan, characterized in that the rotor has a tapered diameter that gradually increases from the side toward the center, and the boss portion of the impeller is tapered along the outer peripheral surface of the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10580890U JPH0465997U (en) | 1990-10-08 | 1990-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10580890U JPH0465997U (en) | 1990-10-08 | 1990-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0465997U true JPH0465997U (en) | 1992-06-09 |
Family
ID=31851641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10580890U Pending JPH0465997U (en) | 1990-10-08 | 1990-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0465997U (en) |
-
1990
- 1990-10-08 JP JP10580890U patent/JPH0465997U/ja active Pending