JPH0484785U - - Google Patents
Info
- Publication number
- JPH0484785U JPH0484785U JP12926190U JP12926190U JPH0484785U JP H0484785 U JPH0484785 U JP H0484785U JP 12926190 U JP12926190 U JP 12926190U JP 12926190 U JP12926190 U JP 12926190U JP H0484785 U JPH0484785 U JP H0484785U
- Authority
- JP
- Japan
- Prior art keywords
- partition plate
- stage side
- stage
- suction
- air chamber
- 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
- 238000005192 partition Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の一実施例にかかるポンプの
１段側吐出仕切板を示す図であつて、第４図のＢ
―Ｂ線断面図、第２図は２段側の吸込仕切板を示
す図であつて、第４図のＣ―Ｃ線断面図、第３図
は従来例及び実施例の２段形液封式真空ポンプの
吸入量と騒音値との関係を示す線図、第４図はこ
の考案の実施例及び従来例の２段形液封式真空ポ
ンプの全体構造を示す断面図、第５図は第４図の
Ａ―Ａ線断面図、第６図は従来例の１段側吐出仕
切板を示す図であつて、第４図のＢ―Ｂ線断面図
、第７図は従来例の２段側吸込仕切板を示す図で
あつて、第４図のＣ―Ｃ線断面図である。
５……１段側の吸込仕切板、６Ａ……１段側吐
出仕切板、７Ａ……２段側吸込仕切板、１３……
気室、１４……非凝縮性気体導入口。
FIG. 1 is a diagram showing a first stage side discharge partition plate of a pump according to an embodiment of the present invention, and is a diagram showing the first stage side discharge partition plate of a pump according to an embodiment of the present invention.
-A cross-sectional view taken along the line B, Figure 2 is a diagram showing the suction partition plate on the second stage side, a cross-sectional view taken along the line CC in Figure 4, and Figure 3 are the two-stage liquid seals of the conventional example and the embodiment. Figure 4 is a cross-sectional view showing the overall structure of a two-stage liquid ring vacuum pump according to an embodiment of this invention and a conventional example. FIG. 4 is a cross-sectional view taken along the line AA, FIG. 6 is a view showing the first-stage discharge partition plate of the conventional example, and FIG. 7 is a cross-sectional view taken along the line B-B of FIG. 5 is a cross-sectional view taken along the line CC in FIG. 4, showing the stage-side suction partition plate. FIG. 5...Suction partition plate on the 1st stage side, 6A...Discharge partition plate on the 1st stage side, 7A...Suction partition plate on the 2nd stage side, 13...
Air chamber, 14...Non-condensable gas inlet.
Claims (1)
も一方に、外部から１段側の圧縮行程の気室に非
凝縮性気体を導入するための気体導入口を設けた
ことを特徴とする２段形液封式真空ポンプ。 A two-stage device characterized in that at least one of the suction partition plate and the discharge partition plate on the first-stage side is provided with a gas inlet for introducing non-condensable gas from the outside into the air chamber of the compression stroke on the first-stage side. Liquid ring type vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12926190U JP2528144Y2 (en) | 1990-11-30 | 1990-11-30 | Two-stage liquid ring vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12926190U JP2528144Y2 (en) | 1990-11-30 | 1990-11-30 | Two-stage liquid ring vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0484785U true JPH0484785U (en) | 1992-07-23 |
| JP2528144Y2 JP2528144Y2 (en) | 1997-03-05 |
Family
ID=31876672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12926190U Expired - Fee Related JP2528144Y2 (en) | 1990-11-30 | 1990-11-30 | Two-stage liquid ring vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528144Y2 (en) |
-
1990
- 1990-11-30 JP JP12926190U patent/JP2528144Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528144Y2 (en) | 1997-03-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |