JPS6298791U - - Google Patents
Info
- Publication number
- JPS6298791U JPS6298791U JP19154285U JP19154285U JPS6298791U JP S6298791 U JPS6298791 U JP S6298791U JP 19154285 U JP19154285 U JP 19154285U JP 19154285 U JP19154285 U JP 19154285U JP S6298791 U JPS6298791 U JP S6298791U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust port
- oil
- box
- cylinder
- rotor
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
Landscapes
- Rotary Pumps (AREA)
Description
第1図はこの考案の一実施例を示す断面図、第
2図はその―線における断面図、第3図は従
来装置の断面図、第4図はその―線における
断面図である。
図において、1はボツクス、2,7は吸気口、
3,8は排気口、50はシリンダ、11はロータ
、11aは端面、11bは円周溝、11cは凹部
、12はベーン、4a,6aは内壁である。なお
、各図中同一符号は同一、又は相当部分を示す。
FIG. 1 is a cross-sectional view showing an embodiment of this invention, FIG. 2 is a cross-sectional view taken along the line, FIG. 3 is a cross-sectional view of a conventional device, and FIG. 4 is a cross-sectional view taken along the line. In the figure, 1 is a box, 2 and 7 are intake ports,
3 and 8 are exhaust ports, 50 is a cylinder, 11 is a rotor, 11a is an end face, 11b is a circumferential groove, 11c is a recessed portion, 12 is a vane, and 4a and 6a are inner walls. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
入されたボツクス、このボツクス内で上記油に浸
漬され、上記第1の吸気口と連通した第2の吸気
口と、上記第1の排気口と上記ボツクス内の空間
を介して連通した第2の排気口とを有するシリン
ダ、及びこのシリンダ内で容積変化を生じさせ上
記第2の吸気口からの空気を上記第2の排気口へ
排出するベーンを有し、上記シリンダに回転自在
に支承され、端面が上記シリンダの内壁を摺動す
るロータを備え、上記ロータの端面には円周溝を
形成し、この円周溝に一致して上記ロータの重心
アンバランスを修正する角度位置に油だめ用の凹
部を形成したことを特徴とする油回転真空ポンプ
。 a box having a first intake port and a first exhaust port and filled with oil; a second intake port immersed in the oil within the box and communicating with the first intake port; a cylinder having a first exhaust port and a second exhaust port communicating with each other through a space in the box; The rotor has a vane for discharging the air to the exhaust port, is rotatably supported by the cylinder, and has an end surface that slides on the inner wall of the cylinder. A circumferential groove is formed on the end surface of the rotor, and the circumferential groove An oil rotary vacuum pump characterized in that a recess for an oil sump is formed at an angular position that corresponds to the above-mentioned rotor's unbalanced center of gravity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19154285U JPH032717Y2 (en) | 1985-12-12 | 1985-12-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19154285U JPH032717Y2 (en) | 1985-12-12 | 1985-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6298791U true JPS6298791U (en) | 1987-06-23 |
JPH032717Y2 JPH032717Y2 (en) | 1991-01-24 |
Family
ID=31145778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19154285U Expired JPH032717Y2 (en) | 1985-12-12 | 1985-12-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH032717Y2 (en) |
-
1985
- 1985-12-12 JP JP19154285U patent/JPH032717Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH032717Y2 (en) | 1991-01-24 |
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