JP2008008154A5 - - Google Patents
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- Publication number
- JP2008008154A5 JP2008008154A5 JP2006176570A JP2006176570A JP2008008154A5 JP 2008008154 A5 JP2008008154 A5 JP 2008008154A5 JP 2006176570 A JP2006176570 A JP 2006176570A JP 2006176570 A JP2006176570 A JP 2006176570A JP 2008008154 A5 JP2008008154 A5 JP 2008008154A5
- Authority
- JP
- Japan
- Prior art keywords
- centrifugal pump
- impeller
- main plate
- suction centrifugal
- double suction
- 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.)
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Claims (8)
前記羽根車は、中央主板と、前記中央主板の両面に背中合わせに複数配置される対称形状の翼と、前記中央主板の反対側になる前記翼の端部に設けられる外側板を有する両吸込渦巻ポンプにおいて、
前記翼は、少なくとも前記羽根車の外周側で、前記外側板側の端部が前記中央主板側の端部よりも前記羽根車の回転方向前方に位置するように傾斜していることを特徴とする両吸込渦巻ポンプ。 A pump casing and an impeller provided rotatably in the pump casing;
The impeller includes a central main plate, a plurality of symmetrically arranged wings arranged back-to-back on both sides of the central main plate, and a double suction vortex having an outer plate provided at an end portion of the wing opposite to the central main plate. In the pump,
The blade is inclined at least on the outer peripheral side of the impeller so that the end on the outer plate side is positioned forward of the end of the impeller in the rotation direction with respect to the end on the central main plate side. Double suction centrifugal pump.
前記中央主板は、前記外側板よりも外径が小さく、
前記主板の両面に背中合わせに配置される隣合せの翼が中央主板の外周縁より先側では、中央主板を介さず直に接合することを特徴とする両吸込み渦巻ポンプ。 The double suction centrifugal pump according to claim 1,
The central main plate has a smaller outer diameter than the outer plate,
A double-suction centrifugal pump characterized in that adjacent wings arranged back-to-back on both surfaces of the main plate are directly joined to each other on the front side of the outer peripheral edge of the central main plate without using the central main plate.
前記主板を挟む一方の翼と他方の翼は、前記羽根車の回転方向に位置がずれていることを特徴とする両吸込渦巻ポンプ。 The double suction centrifugal pump according to claim 1,
One suction blade and the other blade sandwiching the main plate are displaced in the rotational direction of the impeller.
前記翼は、前記羽根車の回転方向に等ピッチで設けられ、
前記翼の回転方向のずれ位置が、前記主板の反対側に並ぶ翼間の中間点に来ることを特徴とする両吸込渦巻ポンプ。 In the both suction centrifugal pump according to claim 3,
The blades are provided at an equal pitch in the rotational direction of the impeller,
The double suction centrifugal pump characterized in that the displacement position of the blade in the rotation direction comes to an intermediate point between the blades arranged on the opposite side of the main plate.
前記翼は、外周側が前記羽根車の回転方向後方になる湾曲形状を有することを特徴とする両吸込渦巻ポンプ。 The double suction centrifugal pump according to claim 1,
The double suction pump according to claim 1, wherein the blade has a curved shape with an outer peripheral side rearward in the rotation direction of the impeller.
前記傾斜は、５°〜１５°程度の傾きであることを特徴とする両吸込渦巻ポンプ。 In the double suction centrifugal pump according to claim 1 or 5,
The double suction centrifugal pump, wherein the inclination is an inclination of about 5 ° to 15 °.
前記傾斜の角度は、前記羽根車の中心側で大きく、外周側で小さいことを特徴とする両吸込渦巻ポンプ。 In the double suction centrifugal pump according to claim 1 or 5,
The double suction centrifugal pump characterized in that the angle of inclination is large on the center side of the impeller and small on the outer peripheral side.
前記ポンプケーシングは、前記羽根車の外周吐出側を包むように囲う吐出ケーシング部と、前記羽根車の中心寄り両側に設けられている二つの吸込口に対応する二つの吸込ケーシング部とを有し、
前記二つの吸込ケーシング部は渦巻き形状を有することを特徴とする両吸込渦巻ポンプ。 The double suction centrifugal pump according to claim 1,
The pump casing has a discharge casing portion surrounding the outer peripheral discharge side of the impeller, and two suction casing portions corresponding to two suction ports provided on both sides near the center of the impeller,
The two suction centrifugal pumps, wherein the two suction casing parts have a spiral shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006176570A JP4893125B2 (en) | 2006-06-27 | 2006-06-27 | Double suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006176570A JP4893125B2 (en) | 2006-06-27 | 2006-06-27 | Double suction centrifugal pump |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008008154A JP2008008154A (en) | 2008-01-17 |
| JP2008008154A5 true JP2008008154A5 (en) | 2009-03-26 |
| JP4893125B2 JP4893125B2 (en) | 2012-03-07 |
Family
ID=39066596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006176570A Expired - Fee Related JP4893125B2 (en) | 2006-06-27 | 2006-06-27 | Double suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4893125B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519416B (en) * | 2017-09-19 | 2024-01-16 | 宁波方太厨具有限公司 | Centrifugal fan |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5489601A (en) * | 1977-12-27 | 1979-07-16 | Toshiba Corp | Guide plate elevating mechanism in recording disc reproducer |
| CA1155712A (en) * | 1979-10-29 | 1983-10-25 | Rockwell International Corporation | Composite centrifugal impeller for slurry pumps |
| JPS5674896A (en) * | 1979-11-22 | 1981-06-20 | Toshiba Corp | Read only memory element |
| JPS6023300A (en) * | 1983-07-16 | 1985-02-05 | 極東開発工業株式会社 | Automatic stop controller for gondola with winch in height service car |
| JP2002138991A (en) * | 2000-11-06 | 2002-05-17 | Ebara Corp | Double suction volute pump |
-
2006
- 2006-06-27 JP JP2006176570A patent/JP4893125B2/en not_active Expired - Fee Related
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