JPS55148997A - Canned motor pump - Google Patents
Canned motor pumpInfo
- Publication number
- JPS55148997A JPS55148997A JP5567379A JP5567379A JPS55148997A JP S55148997 A JPS55148997 A JP S55148997A JP 5567379 A JP5567379 A JP 5567379A JP 5567379 A JP5567379 A JP 5567379A JP S55148997 A JPS55148997 A JP S55148997A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- section
- interior
- pump
- lubricate
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
PURPOSE: To improve the efficiency of cooling and lubricating the interior of a motor section by providing in a rear rotor chamber an auxiliary impeller mounted on a rotor and communicating to a pump portion through a circulation pipe.
CONSTITUTION: A rear rotor chamber 36 is provided in the interior with an auxiliary impeller 40 mounted on a rotor shaft 24 and communicating to a discharge pipe portion 22 of a pump section 10 through a liquid passing hole 42 and circulation pipe 38. Thus, treated liquid discharged from a pump section 10 is introduced into a rear rotor section 36 to lubricate a rear bearing 32, while passing through a gap between a stator 26 and rotor 28 to cool a motor section 12 and further flowing into a front rotor chamber 34 to lubricate a front bearing 30 so that the efficiency of cooling and lubricating the interior of the motor section 12 can be improved.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5567379A JPS55148997A (en) | 1979-05-09 | 1979-05-09 | Canned motor pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5567379A JPS55148997A (en) | 1979-05-09 | 1979-05-09 | Canned motor pump |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55148997A true JPS55148997A (en) | 1980-11-19 |
Family
ID=13005386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5567379A Pending JPS55148997A (en) | 1979-05-09 | 1979-05-09 | Canned motor pump |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55148997A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3045146A1 (en) * | 1980-11-29 | 1982-07-01 | Nikkiso Co., Ltd., Tokyo | Motorised centrifugal liq. pump unit - has auxiliary second stage pump circulating liq. to cool and lubricate motor without evaporation |
JPS58122798U (en) * | 1982-02-15 | 1983-08-20 | 株式会社荏原製作所 | canned motor pump |
US4616980A (en) * | 1983-12-06 | 1986-10-14 | Crane Co. | Canned motor pumps pressurized recirculation system |
US4958988A (en) * | 1985-09-26 | 1990-09-25 | Ormat Turbines, Ltd. | Motor driven pump for pumping viscous solutions |
US5324179A (en) * | 1991-11-21 | 1994-06-28 | Nikkiso Co., Ltd. | Motor pump with a treating liquid circulation system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS544081U (en) * | 1977-06-08 | 1979-01-11 |
-
1979
- 1979-05-09 JP JP5567379A patent/JPS55148997A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS544081U (en) * | 1977-06-08 | 1979-01-11 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3045146A1 (en) * | 1980-11-29 | 1982-07-01 | Nikkiso Co., Ltd., Tokyo | Motorised centrifugal liq. pump unit - has auxiliary second stage pump circulating liq. to cool and lubricate motor without evaporation |
JPS58122798U (en) * | 1982-02-15 | 1983-08-20 | 株式会社荏原製作所 | canned motor pump |
US4616980A (en) * | 1983-12-06 | 1986-10-14 | Crane Co. | Canned motor pumps pressurized recirculation system |
US4958988A (en) * | 1985-09-26 | 1990-09-25 | Ormat Turbines, Ltd. | Motor driven pump for pumping viscous solutions |
US5324179A (en) * | 1991-11-21 | 1994-06-28 | Nikkiso Co., Ltd. | Motor pump with a treating liquid circulation system |
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