JPH046790U - - Google Patents
Info
- Publication number
- JPH046790U JPH046790U JP4801990U JP4801990U JPH046790U JP H046790 U JPH046790 U JP H046790U JP 4801990 U JP4801990 U JP 4801990U JP 4801990 U JP4801990 U JP 4801990U JP H046790 U JPH046790 U JP H046790U
- Authority
- JP
- Japan
- Prior art keywords
- stage
- pump
- exhaust port
- intake port
- pump part
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
Description
第1図は、この考案の実施例を示す2段水封式
真空ポンプの断面図、第2図は、仕切プレートと
インペラの関係を示す説明図、第3図は、吸気側
ハウジングの正面図、第4図は、排気側ハウジン
グの正面図、第5図は、従来の2段水封式真空ポ
ンプの説明図、第6図は、従来の仕切りプレート
とインペラの関係を示す説明図である。
A……2段水封式真空ポンプ、B……1段側ポ
ンプ部、C……2段側ポンプ部、1b……1段側
排気ポート、6a……2段側吸気ポート。
Fig. 1 is a sectional view of a two-stage water ring vacuum pump showing an embodiment of this invention, Fig. 2 is an explanatory view showing the relationship between the partition plate and the impeller, and Fig. 3 is a front view of the intake side housing. , FIG. 4 is a front view of the exhaust side housing, FIG. 5 is an explanatory diagram of a conventional two-stage water ring vacuum pump, and FIG. 6 is an explanatory diagram showing the relationship between a conventional partition plate and an impeller. . A... Two-stage water ring vacuum pump, B... First-stage pump section, C... Second-stage pump section, 1b... First-stage exhaust port, 6a... Second-stage intake port.
Claims (1)
、1段側ポンプ部Bの排気ポート1bと2段側ポ
ンプ部Cの吸気ポート6aとを連通した2段水封
式真空ポンプAにおいて、前記1段側ポンプ部B
の排気ポート1bに最上位部位を、2段側ポンプ
部Cの吸気ポート6aのそれよりも下位に設定す
るとともに、1段側排気ポート1bより2段側吸
気ポート6aへ向けて、実質的の上昇流を生じる
ように、その間を流路1dを含む適宜の連絡路に
より連絡したことを特徴とする2段水封式真空ポ
ンプ。 In the two-stage water ring vacuum pump A, in which the impellers of each pump part are arranged on the same rotation axis, and the exhaust port 1b of the first-stage pump part B communicates with the intake port 6a of the second-stage pump part C, 1st stage side pump part B
The uppermost part of the exhaust port 1b is set lower than that of the intake port 6a of the second-stage pump section C, and a substantial portion is set from the first-stage exhaust port 1b toward the second-stage intake port 6a. A two-stage water ring type vacuum pump characterized in that the two stages are connected by appropriate communication paths including a flow path 1d so as to generate an upward flow.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4801990U JPH046790U (en) | 1990-05-07 | 1990-05-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4801990U JPH046790U (en) | 1990-05-07 | 1990-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH046790U true JPH046790U (en) | 1992-01-22 |
Family
ID=31564466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4801990U Pending JPH046790U (en) | 1990-05-07 | 1990-05-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH046790U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110199125A (en) * | 2017-01-30 | 2019-09-03 | 株式会社荏原制作所 | Liquid-seal type vacuum pump |
-
1990
- 1990-05-07 JP JP4801990U patent/JPH046790U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110199125A (en) * | 2017-01-30 | 2019-09-03 | 株式会社荏原制作所 | Liquid-seal type vacuum pump |
US11143186B2 (en) | 2017-01-30 | 2021-10-12 | Ebara Corporation | Liquid ring vacuum pump |