JPS60152087U - centrifugal pump - Google Patents
centrifugal pumpInfo
- Publication number
- JPS60152087U JPS60152087U JP3893884U JP3893884U JPS60152087U JP S60152087 U JPS60152087 U JP S60152087U JP 3893884 U JP3893884 U JP 3893884U JP 3893884 U JP3893884 U JP 3893884U JP S60152087 U JPS60152087 U JP S60152087U
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal pump
- internal leakage
- leakage flow
- utility
- model registration
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来品渦巻式ポンプの縦断面図、第２図は従来
品渦巻ポンプの特性曲線図、第３図は本考案の渦巻式ポ
ンプの縦断面図、第４図は本考案品と従来品とを比較し
た特性曲線図である。
１０・・・電動機、１４・・・羽根車、２４・・・ガイ
ドベーン、２８・・・シールリング、３２・・・内部漏
洩流、３４・・・吸込流、４８・・・ノズル。Fig. 1 is a longitudinal cross-sectional view of a conventional centrifugal pump, Fig. 2 is a characteristic curve diagram of a conventional centrifugal pump, Fig. 3 is a longitudinal cross-sectional view of the centrifugal pump of the present invention, and Fig. 4 is a longitudinal cross-sectional view of the centrifugal pump of the present invention. It is a characteristic curve diagram comparing with a conventional product. DESCRIPTION OF SYMBOLS 10... Electric motor, 14... Impeller, 24... Guide vane, 28... Seal ring, 32... Internal leakage flow, 34... Suction flow, 48... Nozzle.
Claims (1)
り漏洩する内部もれ流の軸方向分速度をポンプ吸込流と
一致させ、軸と直角方向の分速度を、内径側に向けたこ
とを特徴とする渦巻式２ 実用新案登録請求の範囲第１
項において、内部もれ流の角度θを３０°〜１５０°の
範囲で構成したことを特徴とする渦巻式ポンプ。 ３ 実用新案登録請求の範囲第１項において、羽根車吸
込口の入口部を内部もれ流の角度θとほぼ一致するよう
に円錐状としたことを特徴とする渦巻式ポンプ。 ４ 実用新案登録請求の範囲第１項において、ケーシン
グカバー吸込口形状を内部もれ流θとほぼ一致させるよ
うに吸込流の下流側を狭くした円錐状としたことを特徴
とする渦巻式ポンプ。 。[Scope of Claim for Utility Model Registration] 1. The axial velocity of the internal leakage flow leaking from the small gap between the impeller suction port outer periphery and the guide vane is made equal to the pump suction flow, and the minute velocity in the direction perpendicular to the axis is Spiral type 2 characterized by facing towards the inner diameter side Claims 1 for utility model registration
2. The centrifugal pump according to item 1, wherein the angle θ of the internal leakage flow is in the range of 30° to 150°. 3. The centrifugal pump according to claim 1 of the utility model registration, characterized in that the inlet portion of the impeller suction port is formed into a conical shape so as to substantially match the angle θ of the internal leakage flow. 4. The centrifugal pump according to claim 1, characterized in that the casing cover suction port has a conical shape with the suction flow narrowed on the downstream side so as to substantially match the internal leakage flow θ. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3893884U JPS60152087U (en) | 1984-03-21 | 1984-03-21 | centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3893884U JPS60152087U (en) | 1984-03-21 | 1984-03-21 | centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60152087U true JPS60152087U (en) | 1985-10-09 |
Family
ID=30546416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3893884U Pending JPS60152087U (en) | 1984-03-21 | 1984-03-21 | centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60152087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005273521A (en) * | 2004-03-24 | 2005-10-06 | Tsurumi Mfg Co Ltd | Air lock prevention structure for pump |
-
1984
- 1984-03-21 JP JP3893884U patent/JPS60152087U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005273521A (en) * | 2004-03-24 | 2005-10-06 | Tsurumi Mfg Co Ltd | Air lock prevention structure for pump |
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