FR2312669B1 - - Google Patents
Info
- Publication number
- FR2312669B1 FR2312669B1 FR7604258A FR7604258A FR2312669B1 FR 2312669 B1 FR2312669 B1 FR 2312669B1 FR 7604258 A FR7604258 A FR 7604258A FR 7604258 A FR7604258 A FR 7604258A FR 2312669 B1 FR2312669 B1 FR 2312669B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
- F04D1/063—Multi-stage pumps of the vertically split casing type
- F04D1/066—Multi-stage pumps of the vertically split casing type the casing consisting of a plurality of annuli bolted together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752523213 DE2523213C3 (en) | 1975-05-26 | 1975-05-26 | Compact multistage centrifugal pump with intermediate extraction and re-injection |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2312669A1 FR2312669A1 (en) | 1976-12-24 |
FR2312669B1 true FR2312669B1 (en) | 1979-05-25 |
Family
ID=5947420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7604258A Granted FR2312669A1 (en) | 1975-05-26 | 1976-02-17 | Multistage centrifugal pump with intermediate beed - has bleed and re-feed channels in intermediate casing(NL301176) |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH601671A5 (en) |
DE (1) | DE2523213C3 (en) |
FR (1) | FR2312669A1 (en) |
NL (1) | NL7600333A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3307726C2 (en) * | 1983-03-04 | 1986-04-24 | Franz Klaus Union Armaturen, Pumpen Gmbh & Co, 4630 Bochum | Runner and bearing of a pump |
DE4005923C2 (en) * | 1990-02-24 | 1994-08-18 | Klein Schanzlin & Becker Ag | Centrifugal pump with impellers of different speeds |
RU180155U1 (en) * | 2016-10-28 | 2018-06-05 | Общество с ограниченной ответственностью "Нефтекамский машиностроительный завод" (ООО "НКМЗ") | Two-stage horizontal centrifugal pump |
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1975
- 1975-05-26 DE DE19752523213 patent/DE2523213C3/en not_active Expired
-
1976
- 1976-01-14 NL NL7600333A patent/NL7600333A/en active Search and Examination
- 1976-01-20 CH CH61576A patent/CH601671A5/xx not_active IP Right Cessation
- 1976-02-17 FR FR7604258A patent/FR2312669A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2523213A1 (en) | 1976-12-02 |
NL7600333A (en) | 1976-11-30 |
CH601671A5 (en) | 1978-07-14 |
DE2523213B2 (en) | 1980-10-16 |
FR2312669A1 (en) | 1976-12-24 |
DE2523213C3 (en) | 1981-06-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |