JPH0276196U - - Google Patents
Info
- Publication number
- JPH0276196U JPH0276196U JP15614088U JP15614088U JPH0276196U JP H0276196 U JPH0276196 U JP H0276196U JP 15614088 U JP15614088 U JP 15614088U JP 15614088 U JP15614088 U JP 15614088U JP H0276196 U JPH0276196 U JP H0276196U
- Authority
- JP
- Japan
- Prior art keywords
- pump
- rotating shaft
- outer periphery
- air exhaust
- exhaust holes
- 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 description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案に係るウオータポンプの第１実
施例を示す要部拡大図、第２図は本実施例の断面
図、第３図は本実施例の作用を示す説明図、第４
図Ａは本考案の第２実施例を示す要部拡大図、同
図Ｂは同図Ａの―線断面図、第５図は従来の
ウオータポンプを示す断面図である。
１…ポンプハウジング、２…ポンプ室、２ａ…
内壁面、４…ベアリング（軸受）、５…回転軸、
６…ベーン（ポンプロータ）、６ａ…裏側外周部
、８…メカニカルシール（シール部材）、２１…
エア排出孔、Ｃ…隙間。
Fig. 1 is an enlarged view of main parts showing a first embodiment of a water pump according to the present invention, Fig. 2 is a sectional view of this embodiment, Fig. 3 is an explanatory diagram showing the operation of this embodiment, and Fig. 4
Figure A is an enlarged view of a main part showing a second embodiment of the present invention, Figure B is a cross-sectional view taken along the line -- in Figure A, and Figure 5 is a cross-sectional view showing a conventional water pump. 1...Pump housing, 2...Pump chamber, 2a...
Inner wall surface, 4... Bearing (bearing), 5... Rotating shaft,
6...Vane (pump rotor), 6a...Back side outer periphery, 8...Mechanical seal (seal member), 21...
Air discharge hole, C...Gap.
Claims (1)
ポンプ室に臨むポンプロータと、該ポンプロータ
または回転軸と上記ポンプハウジングとの間に配
置されたシール部材とを備えたウオータポンプに
おいて、上記ポンプロータに複数のエア排出孔を
穿設すると共に、該エア排出孔の総面積を上記ポ
ンプロータの裏側外周部と上記ポンプ室の内壁面
との間に形成された隙間の外周側面積よりも大き
く設定したことを特徴とするウオータポンプ。 A water pump comprising: a pump rotor fixed to a tip of a rotating shaft and facing a pump chamber of a pump housing; and a sealing member disposed between the pump rotor or the rotating shaft and the pump housing; A plurality of air exhaust holes are provided, and the total area of the air exhaust holes is set to be larger than the area of the outer periphery of the gap formed between the outer periphery of the back side of the pump rotor and the inner wall surface of the pump chamber. A water pump characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15614088U JPH0545835Y2 (en) | 1988-11-30 | 1988-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15614088U JPH0545835Y2 (en) | 1988-11-30 | 1988-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0276196U true JPH0276196U (en) | 1990-06-11 |
| JPH0545835Y2 JPH0545835Y2 (en) | 1993-11-26 |
Family
ID=31434406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15614088U Expired - Lifetime JPH0545835Y2 (en) | 1988-11-30 | 1988-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545835Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000283092A (en) * | 1999-03-30 | 2000-10-10 | Snow Brand Milk Prod Co Ltd | Mounting structure of impeller to rotating shaft |
| WO2008093594A1 (en) * | 2007-01-30 | 2008-08-07 | Jms Co., Ltd. | Turbo type blood pump |
-
1988
- 1988-11-30 JP JP15614088U patent/JPH0545835Y2/ja not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000283092A (en) * | 1999-03-30 | 2000-10-10 | Snow Brand Milk Prod Co Ltd | Mounting structure of impeller to rotating shaft |
| WO2008093594A1 (en) * | 2007-01-30 | 2008-08-07 | Jms Co., Ltd. | Turbo type blood pump |
| JP2008183229A (en) * | 2007-01-30 | 2008-08-14 | Jms Co Ltd | Turbo blood pump |
| US8398382B2 (en) | 2007-01-30 | 2013-03-19 | Jms Co., Ltd. | Turbo type blood pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545835Y2 (en) | 1993-11-26 |