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
Application number
JP12926190U
Other languages
Japanese (ja)
Other versions
JP2528144Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12926190U priority Critical patent/JP2528144Y2/en
Publication of JPH0484785U publication Critical patent/JPH0484785U/ja
Application granted granted Critical
Publication of JP2528144Y2 publication Critical patent/JP2528144Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 1段側の吸込仕切板及び吐出仕切板の少なくと
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.
JP12926190U 1990-11-30 1990-11-30 Two-stage liquid ring vacuum pump Expired - Fee Related JP2528144Y2 (en)

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)

Also Published As

Publication number Publication date
JP2528144Y2 (en) 1997-03-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees