JPH0327900U - - Google Patents
Info
- Publication number
- JPH0327900U JPH0327900U JP8818889U JP8818889U JPH0327900U JP H0327900 U JPH0327900 U JP H0327900U JP 8818889 U JP8818889 U JP 8818889U JP 8818889 U JP8818889 U JP 8818889U JP H0327900 U JPH0327900 U JP H0327900U
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- base
- water pump
- pump body
- mechanical seal
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 238000010992 reflux Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第1図は本考案の第1の形態における一実施例
を示す断面図、第2図はその羽根車の正面図、第
3図は羽根車の他の実施例を示す正面図、第4図
および第5図は本考案の第2の形態における羽根
車の一実施例を示すそれぞれ正面図およびそのA
−A矢視断面図、第6図および第7図は同じくそ
れぞれ背面図およびそのB−B矢視断面図である
。
1……ポンプボデイ、5……シヤフト、7,1
7……羽根車、9……メカニカルシール、11…
…通路孔、19……バランス孔、21……段差、
23……還流溝。
FIG. 1 is a sectional view showing one embodiment of the first form of the present invention, FIG. 2 is a front view of the impeller, FIG. 3 is a front view showing another embodiment of the impeller, and FIG. and FIG. 5 are a front view and its A, respectively, showing an embodiment of the impeller in the second form of the present invention.
-A sectional view, FIGS. 6 and 7 are a rear view and a BB sectional view thereof, respectively. 1...Pump body, 5...Shaft, 7,1
7... Impeller, 9... Mechanical seal, 11...
... Passage hole, 19 ... Balance hole, 21 ... Step,
23...reflux groove.
Claims (1)
トの一端に羽根車が固設され、該羽根車の裏側基
部と前記ポンプボデイとの間にメカニカルシール
が配設されたウオータポンプにおいて、 前記羽根車にその基部と羽根の最小径側基部と
の間で表側と裏側とを連通する通路孔を穿設した
ことを特徴とするウオータポンプ。 2 ポンプボデイに回転自在に支承されたシヤフ
トの一端に羽根車が固設され、該羽根車の裏側基
部と前記ポンプボデイとの間にメカニカルシール
が配設されたウオータポンプにおいて、 前記羽根車のボス部近傍にバランス孔を設け、
該バランス孔の表側開口縁部に段差を形成したこ
とを特徴とするウオータポンプ。[Claims for Utility Model Registration] 1. A water pump in which an impeller is fixed to one end of a shaft rotatably supported by a pump body, and a mechanical seal is provided between the back base of the impeller and the pump body. The water pump according to claim 1, wherein the impeller is provided with a passage hole that communicates between the front side and the back side between the base of the impeller and the base on the smallest diameter side of the impeller. 2. A water pump in which an impeller is fixed to one end of a shaft rotatably supported by a pump body, and a mechanical seal is provided between a back side base of the impeller and the pump body, wherein a boss portion of the impeller A balance hole is provided nearby,
A water pump characterized in that a step is formed at the front opening edge of the balance hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989088188U JPH0734238Y2 (en) | 1989-07-27 | 1989-07-27 | Water pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989088188U JPH0734238Y2 (en) | 1989-07-27 | 1989-07-27 | Water pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0327900U true JPH0327900U (en) | 1991-03-20 |
JPH0734238Y2 JPH0734238Y2 (en) | 1995-08-02 |
Family
ID=31637814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989088188U Expired - Lifetime JPH0734238Y2 (en) | 1989-07-27 | 1989-07-27 | Water pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0734238Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008157254A (en) * | 2008-02-04 | 2008-07-10 | Hitachi Appliances Inc | Pump for washing machine |
JP2008185279A (en) * | 2007-01-30 | 2008-08-14 | Sanyo Electric Co Ltd | Floor type air conditioner |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5194101A (en) * | 1975-02-17 | 1976-08-18 | ||
JPS55125392A (en) * | 1979-03-14 | 1980-09-27 | Maschf Augsburg Nuernberg Ag | Apparatus for cooling and cleaning axial packing device for use in waterpump impeller |
JPS58114900U (en) * | 1982-01-29 | 1983-08-05 | 松下電器産業株式会社 | spiral pump |
-
1989
- 1989-07-27 JP JP1989088188U patent/JPH0734238Y2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5194101A (en) * | 1975-02-17 | 1976-08-18 | ||
JPS55125392A (en) * | 1979-03-14 | 1980-09-27 | Maschf Augsburg Nuernberg Ag | Apparatus for cooling and cleaning axial packing device for use in waterpump impeller |
JPS58114900U (en) * | 1982-01-29 | 1983-08-05 | 松下電器産業株式会社 | spiral pump |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008185279A (en) * | 2007-01-30 | 2008-08-14 | Sanyo Electric Co Ltd | Floor type air conditioner |
JP2008157254A (en) * | 2008-02-04 | 2008-07-10 | Hitachi Appliances Inc | Pump for washing machine |
JP4682212B2 (en) * | 2008-02-04 | 2011-05-11 | 日立アプライアンス株式会社 | Washing machine pump |
Also Published As
Publication number | Publication date |
---|---|
JPH0734238Y2 (en) | 1995-08-02 |