JPH02144687U - - Google Patents
Info
- Publication number
- JPH02144687U JPH02144687U JP5314889U JP5314889U JPH02144687U JP H02144687 U JPH02144687 U JP H02144687U JP 5314889 U JP5314889 U JP 5314889U JP 5314889 U JP5314889 U JP 5314889U JP H02144687 U JPH02144687 U JP H02144687U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- screw type
- main body
- discharge port
- sump
- 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
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案に係る油入りスクリユ式真空ポ
ンプの断面図、第２図は従来の油入りスクリユ式
圧縮機をそのまま適用した油入りスクリユ式真空
ポンプの全体構成図、第３図は第２図に示す装置
における距離と圧力の関係を示す図である。
１…油分離回収器、６…油フイルタ、７…油溜
め部、９…吐出口、１０…本体ケーシング、１３
…逆止弁、１５…油注入孔。
Figure 1 is a sectional view of an oil-filled screw type vacuum pump according to the present invention, Figure 2 is an overall configuration diagram of an oil-filled screw type vacuum pump to which a conventional oil-filled screw type compressor is applied as is, and Figure 3 is a cross-sectional view of an oil-filled screw type vacuum pump according to the present invention. FIG. 2 is a diagram showing the relationship between distance and pressure in the device shown in FIG. 2; 1... Oil separation and recovery device, 6... Oil filter, 7... Oil reservoir, 9... Discharge port, 10... Main body casing, 13
...Check valve, 15...Oil injection hole.
Claims (1)
大気に連通する油分離回収器と、吐出口に逆止弁
を備え、この吐出口の開口部を油溜め部の油面よ
り高くした状態で、この油溜め部の油内に配置し
、本体ケーシングの適宜位置に油注入孔を設けた
スクリユ式ポンプ本体とからなることを特徴とす
る油入りスクリユ式真空ポンプ。 The lower part is an oil sump, the upper part is an oil separator and recovery device that communicates with the atmosphere through an oil filter, and a check valve is provided at the discharge port, with the opening of this discharge port being higher than the oil level in the oil sump. An oil-filled screw type vacuum pump characterized by comprising a screw type pump main body disposed in the oil of the oil reservoir and having an oil injection hole provided at an appropriate position in the main body casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5314889U JPH02144687U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5314889U JPH02144687U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02144687U true JPH02144687U (en) | 1990-12-07 |
Family
ID=31574086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5314889U Pending JPH02144687U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02144687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015042847A (en) * | 2013-08-26 | 2015-03-05 | 日立アプライアンス株式会社 | Screw compressor |
-
1989
- 1989-05-09 JP JP5314889U patent/JPH02144687U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015042847A (en) * | 2013-08-26 | 2015-03-05 | 日立アプライアンス株式会社 | Screw compressor |
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