JPS63158599U - - Google Patents
Info
- Publication number
- JPS63158599U JPS63158599U JP5153587U JP5153587U JPS63158599U JP S63158599 U JPS63158599 U JP S63158599U JP 5153587 U JP5153587 U JP 5153587U JP 5153587 U JP5153587 U JP 5153587U JP S63158599 U JPS63158599 U JP S63158599U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- sealing part
- water passage
- shaft
- space
- 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)
Description
第1図は本考案の実施例を示す断面図、第2図
は第1図―線断面図、第3図は従来のウオー
ターポンプを示す断面図である。
5……インペラ、6……シール部、7……吸入
側(吸入通路)、8……吐出側(吐出通路)、9
……流入通路、10……通水路、12……裏羽根
、S……空間。
FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the line of FIG. 1, and FIG. 3 is a sectional view showing a conventional water pump. 5... Impeller, 6... Seal part, 7... Suction side (suction passage), 8... Discharge side (discharge passage), 9
... Inflow passage, 10 ... Water passage, 12 ... Back blade, S ... Space.
Claims (1)
インペラと、このインペラに設けられ、インペラ
の表側と裏側とを連通する通水路と、インペラの
裏側に位置するシヤフトを包囲し、流体が外部に
漏洩するのを防止するシール部を備え、前記シー
ル部を覆い、通水路より内側で一部が吸入側に連
通する空間を形成し、該空間に吐出側から流体を
流入する流入通路を開口させたポンプであつて、
前記インペラの裏面に前記空間から前記通水路へ
の流れを付勢する裏羽根を設けたことを特徴とす
るポンプ。 An impeller that is fixed to one end of the shaft that receives rotational input, a water passage provided on this impeller that communicates the front and back sides of the impeller, and a shaft that surrounds the shaft located on the back side of the impeller, preventing fluid from leaking to the outside. A pump comprising a sealing part for preventing the above sealing part, forming a space inside the water passage that partially communicates with the suction side by covering the sealing part, and opening an inflow passage into the space through which fluid flows from the discharge side. And,
A pump characterized in that a back blade is provided on the back surface of the impeller for urging a flow from the space to the water passage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5153587U JPS63158599U (en) | 1987-04-07 | 1987-04-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5153587U JPS63158599U (en) | 1987-04-07 | 1987-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63158599U true JPS63158599U (en) | 1988-10-18 |
Family
ID=30875887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5153587U Pending JPS63158599U (en) | 1987-04-07 | 1987-04-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63158599U (en) |
-
1987
- 1987-04-07 JP JP5153587U patent/JPS63158599U/ja active Pending