JPH02141692U - - Google Patents
Info
- Publication number
- JPH02141692U JPH02141692U JP5045989U JP5045989U JPH02141692U JP H02141692 U JPH02141692 U JP H02141692U JP 5045989 U JP5045989 U JP 5045989U JP 5045989 U JP5045989 U JP 5045989U JP H02141692 U JPH02141692 U JP H02141692U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- end plate
- exhaust port
- bearing member
- communicate
- 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
Description
第１図および第２図は本考案の一実施例を示し
、第１図は概略的な縦断面図、第２図は第１図中
−線に沿う平断面図である。また、第３図は
従来例を示す第１図対応の縦断面図である。
１……ケーシング、１ａ……ケーシング端板、
２……駆動軸、３ａ……ポンプ本体上面、８……
排気口、１０……軸受部材、１１……上向流路、
１２……下向流路、１５……案内溝。
1 and 2 show an embodiment of the present invention, with FIG. 1 being a schematic longitudinal sectional view and FIG. 2 being a plan sectional view taken along line - in FIG. Further, FIG. 3 is a longitudinal sectional view corresponding to FIG. 1 showing a conventional example. 1... Casing, 1a... Casing end plate,
2... Drive shaft, 3a... Top surface of pump body, 8...
Exhaust port, 10...bearing member, 11...upward flow path,
12... Downward flow path, 15... Guide groove.
Claims (1)
受部材に対して、この軸受部材をケーシング内側
空間の上下２箇所にそれぞれ連通させる上向流路
及び下向流路を前記ケーシング端板に穿設してな
るものにおいて、排気口が設けられているポンプ
本体上面に、該排気口を前記上向流路に連絡させ
る案内溝を凹設したことを特徴とする油回転真空
ポンプ。 For a bearing member for supporting a drive shaft embedded in the casing end plate, an upward flow path and a downward flow path are bored in the casing end plate to communicate the bearing member to two upper and lower locations of the casing inner space, respectively. An oil rotary vacuum pump characterized in that a guide groove is formed in the upper surface of the pump body where the exhaust port is provided to communicate the exhaust port with the upward flow path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5045989U JPH02141692U (en) | 1989-04-29 | 1989-04-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5045989U JPH02141692U (en) | 1989-04-29 | 1989-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141692U true JPH02141692U (en) | 1990-11-29 |
Family
ID=31569022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5045989U Pending JPH02141692U (en) | 1989-04-29 | 1989-04-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141692U (en) |
-
1989
- 1989-04-29 JP JP5045989U patent/JPH02141692U/ja active Pending