JPH0475194U - - Google Patents
Info
- Publication number
- JPH0475194U JPH0475194U JP11872790U JP11872790U JPH0475194U JP H0475194 U JPH0475194 U JP H0475194U JP 11872790 U JP11872790 U JP 11872790U JP 11872790 U JP11872790 U JP 11872790U JP H0475194 U JPH0475194 U JP H0475194U
- Authority
- JP
- Japan
- Prior art keywords
- gas seal
- pump
- seal chamber
- centrifugal pump
- section
- 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 2
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図は本考案をガスシール型キヤンドモータ
ポンプに適用した一実施例を示す要部拡大断面図
、第２図は同上他の実施例を示す要部拡大断面図
、第３図は従来のガスシール型キヤンドモータポ
ンプを示す縦断面図、第４図および第５図はそれ
ぞれ他の従来のガスシールキヤンドモータポンプ
を示す要部拡大断面図である。
１……遠心ポンプ部、２……ガスシール室、３
……キヤンドモータ部、５……メカニカルシール
、９……回転軸、１１……仕切体、３０……遠心
ポンプ部のポンプ低圧部、３１……ガスシール室
側オリフイス、３２……ジエツトポンプ、３３…
…ジエツトポンプ押込口、３７……ジエツトポン
プ吐出口、４１……ジエツトポンプ吸込口、４９
……遠心ポンプ部のポンプ渦室、５０……遠心ポ
ンプ吐出側、５１……遠心ポンプ吸込側。
Fig. 1 is an enlarged sectional view of the main part showing an embodiment in which the present invention is applied to a gas seal type canned motor pump, Fig. 2 is an enlarged sectional view of the main part showing another embodiment of the same, and Fig. 3 is a conventional one. FIGS. 4 and 5 are enlarged sectional views of essential parts of other conventional gas seal canned motor pumps, respectively. 1...Centrifugal pump section, 2...Gas seal chamber, 3
... Canned motor section, 5 ... Mechanical seal, 9 ... Rotating shaft, 11 ... Partition body, 30 ... Pump low pressure section of centrifugal pump section, 31 ... Gas seal chamber side orifice, 32 ... Jet pump, 33 ...
...Jet pump inlet, 37...Jet pump discharge port, 41...Jet pump suction port, 49
... Pump vortex chamber of the centrifugal pump section, 50 ... Centrifugal pump discharge side, 51 ... Centrifugal pump suction side.
Claims (1)
ル室を気密に一体に構成し、メカニカルシールに
て軸封して前記ガスシール室の上方へ突出させた
回転軸をモータ部に連結してなるガスシール型モ
ータポンプにおいて、 前記ガスシール室と前記遠心ポンプ部のポンプ
低圧部との間に狭い環状隙間のガスシール室側オ
リフイスを形成し、前記モータポンプにて作動さ
せるジエツトポンプを設けて、ジエツトポンプ押
込口を前記遠心ポンプ部のポンプ渦室を含む遠心
ポンプ吐出側に、ジエツトポンプ吐出口を遠心ポ
ンプ吸込側にそれぞれ連通するとともに、ジエツ
トポンプ吸込口を前記ガスシール室および前記ガ
スシール室側オリフイスを含めこのガスシール室
側オリフイスから前記ガスシール室に至る間に連
通したことを特徴とするガスシール型モータポン
プ装置。[Claims for Utility Model Registration] A rotating shaft that has a gas seal chamber airtightly integrated above the centrifugal pump part via a partition, and that is sealed with a mechanical seal and protrudes above the gas seal chamber. In the gas seal type motor pump which is connected to a motor section, a gas seal chamber side orifice having a narrow annular gap is formed between the gas seal chamber and a pump low pressure section of the centrifugal pump section, and the motor pump A jet pump to be operated is provided, and the jet pump inlet is communicated with the centrifugal pump discharge side including the pump vortex chamber of the centrifugal pump section, and the jet pump discharge port is communicated with the centrifugal pump suction side, and the jet pump suction port is communicated with the gas seal chamber and the centrifugal pump suction side. A gas seal type motor pump device, characterized in that the gas seal chamber side orifice is connected to the gas seal chamber, including the gas seal chamber side orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11872790U JPH085358Y2 (en) | 1990-11-13 | 1990-11-13 | Gas seal type motor pump device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11872790U JPH085358Y2 (en) | 1990-11-13 | 1990-11-13 | Gas seal type motor pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0475194U true JPH0475194U (en) | 1992-06-30 |
| JPH085358Y2 JPH085358Y2 (en) | 1996-02-14 |
Family
ID=31866676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11872790U Expired - Lifetime JPH085358Y2 (en) | 1990-11-13 | 1990-11-13 | Gas seal type motor pump device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085358Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001114705A (en) * | 1999-10-12 | 2001-04-24 | Nippon Shokubai Co Ltd | Method of transferring easily polymerizable compound |
| JP2002295385A (en) * | 2001-03-29 | 2002-10-09 | Kanematsu Engineering Kk | Cooling water return device in vacuum pump, vacuum pump provided with this device, suction processing device provided with this pump, and suction work vehicle |
| JP2020029797A (en) * | 2018-08-21 | 2020-02-27 | 株式会社酉島製作所 | One-side suction pump |
-
1990
- 1990-11-13 JP JP11872790U patent/JPH085358Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001114705A (en) * | 1999-10-12 | 2001-04-24 | Nippon Shokubai Co Ltd | Method of transferring easily polymerizable compound |
| JP2002295385A (en) * | 2001-03-29 | 2002-10-09 | Kanematsu Engineering Kk | Cooling water return device in vacuum pump, vacuum pump provided with this device, suction processing device provided with this pump, and suction work vehicle |
| JP2020029797A (en) * | 2018-08-21 | 2020-02-27 | 株式会社酉島製作所 | One-side suction pump |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH085358Y2 (en) | 1996-02-14 |