JPH046599U - - Google Patents
Info
- Publication number
- JPH046599U JPH046599U JP4551090U JP4551090U JPH046599U JP H046599 U JPH046599 U JP H046599U JP 4551090 U JP4551090 U JP 4551090U JP 4551090 U JP4551090 U JP 4551090U JP H046599 U JPH046599 U JP H046599U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- mechanical seal
- water pump
- housing
- impeller
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案のウオーターポンプの一実施例
を表した断面図である。第２図は第１図における
Ａからの矢視図である。第３図は従来のウオータ
ーポンプを示す断面図である。
１……回転軸、２……インペラ、３……ベアリ
ング、４……メカニカルシール、５……ハウジン
グ、６……大気孔、７……段間部、１０……盛り
上がり部、１１……プーリー。
FIG. 1 is a sectional view showing an embodiment of the water pump of the present invention. FIG. 2 is a view taken from A in FIG. 1. FIG. 3 is a sectional view showing a conventional water pump. 1... Rotating shaft, 2... Impeller, 3... Bearing, 4... Mechanical seal, 5... Housing, 6... Air hole, 7... Interstage part, 10... Swelling part, 11... Pulley .
Claims (1)
回転軸１を転持するベアリング３と、該ベアリン
グ３が装着されたハウジング５と、前記インペラ
２とベアリング３間に設けられたメカニカルシー
ル４等からなるウオーターポンプにおいて；前記
ベアリング３とメカニカルシール４との間のハウ
ジング５の周面へ大気と連通する大気孔６を軸方
向に少なくとも二箇所以上削設したことを特徴と
するウオーターポンプ。 (2) 前記ベアリング３とメカニカルシール４と
の間のハウジング５を異径の段付筒形状に造形し
、その段間部７に前記大気孔６を削設したことを
特徴とする請求項１記載のウオーターポンプ。[Claims for Utility Model Registration] (1) An impeller 2 attached to a rotating shaft 1, a bearing 3 that supports the rotating shaft 1, a housing 5 in which the bearing 3 is installed, and the impeller 2 and the bearing. In a water pump consisting of a mechanical seal 4 etc. provided between the bearing 3 and the mechanical seal 4, at least two air holes 6 communicating with the atmosphere are cut in the axial direction on the circumferential surface of the housing 5 between the bearing 3 and the mechanical seal 4. A water pump that is characterized by: (2) Claim 1 characterized in that the housing 5 between the bearing 3 and the mechanical seal 4 is formed into a stepped cylindrical shape with different diameters, and the air hole 6 is cut in the stepped portion 7. Water pump listed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4551090U JPH046599U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4551090U JPH046599U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH046599U true JPH046599U (en) | 1992-01-21 |
Family
ID=31559754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4551090U Pending JPH046599U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH046599U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411396B2 (en) * | 1982-06-19 | 1989-02-23 | Yaskawa Denki Seisakusho Kk |
-
1990
- 1990-04-27 JP JP4551090U patent/JPH046599U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6411396B2 (en) * | 1982-06-19 | 1989-02-23 | Yaskawa Denki Seisakusho Kk |