PT79376B - Improved multistage centrifugal pump of the type with closed impeller - Google Patents
Improved multistage centrifugal pump of the type with closed impellerInfo
- Publication number
- PT79376B PT79376B PT79376A PT7937684A PT79376B PT 79376 B PT79376 B PT 79376B PT 79376 A PT79376 A PT 79376A PT 7937684 A PT7937684 A PT 7937684A PT 79376 B PT79376 B PT 79376B
- Authority
- PT
- Portugal
- Prior art keywords
- type
- centrifugal pump
- multistage centrifugal
- closed impeller
- improved multistage
- Prior art date
Links
Classifications
-
- 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
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT8323312U IT8323312V0 (it) | 1983-10-21 | 1983-10-21 | Pompa centrifuga multistadi perfezionata del tipo a girante chiusa. |
Publications (2)
Publication Number | Publication Date |
---|---|
PT79376A PT79376A (en) | 1984-11-01 |
PT79376B true PT79376B (en) | 1986-08-08 |
Family
ID=11205956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT79376A PT79376B (en) | 1983-10-21 | 1984-10-18 | Improved multistage centrifugal pump of the type with closed impeller |
Country Status (9)
Country | Link |
---|---|
DE (1) | DE3438480A1 (no) |
ES (1) | ES282125Y (no) |
FR (1) | FR2558539B1 (no) |
GB (1) | GB2150221B (no) |
GR (1) | GR80708B (no) |
IT (1) | IT8323312V0 (no) |
NO (1) | NO163916C (no) |
PT (1) | PT79376B (no) |
SE (1) | SE8405244L (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1254599B (it) * | 1992-02-07 | 1995-09-28 | Pompa centrifuga multistadi | |
DE19800617A1 (de) | 1998-01-12 | 1999-07-15 | Klein Schanzlin & Becker Ag | Kreiselpumpe |
AUPQ721300A0 (en) * | 2000-05-01 | 2000-05-25 | Davey Products Pty Ltd | Impeller sealing arrangement |
RU2457364C1 (ru) * | 2010-11-29 | 2012-07-27 | Общество с ограниченной ответственностью "МТК-строй" | Ступень погружного насоса и способ ее изготовления |
EP2535591B1 (de) * | 2011-06-15 | 2014-04-23 | Grundfos Management A/S | Kreiselpumpe |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1783427A (en) * | 1924-08-11 | 1930-12-02 | Irving C Jennings | Sealing device for centrifugal pumps |
FR850685A (fr) * | 1938-05-21 | 1939-12-22 | G & J Weir | Perfectionnements aux pompes rotatives |
GB539373A (en) * | 1940-04-20 | 1941-09-08 | Hayward Tyler & Co Ltd | Improvements in centrifugal pumps |
GB772654A (en) * | 1952-12-17 | 1957-04-17 | Hayward Tyler & Company Ltd | Improvements in or relating to submersible pumps, especially for use in submersible pump-motor combinations |
GB867586A (en) * | 1957-06-03 | 1961-05-10 | Duro Co | Submersible type pump |
DK115677B (da) * | 1966-08-09 | 1969-10-27 | Grundfos As | Centrifugalpumpe. |
GB1283696A (en) * | 1968-11-05 | 1972-08-02 | Weir Pumps Ltd | Improvements in or relating to multistage rotary fluid flow machines |
DE2952427A1 (de) * | 1979-12-27 | 1981-07-02 | Sigma Koncern, Olomouc | Leitschaufel fuer eine hydrodynamische pumpe |
CA1158922A (en) * | 1980-05-02 | 1983-12-20 | James P. Larson | Free floating sealing disk for centrifugal fluid pump |
-
1983
- 1983-10-21 IT IT8323312U patent/IT8323312V0/it unknown
-
1984
- 1984-10-17 NO NO84844146A patent/NO163916C/no unknown
- 1984-10-18 GB GB08426385A patent/GB2150221B/en not_active Expired
- 1984-10-18 GR GR80708A patent/GR80708B/el unknown
- 1984-10-18 PT PT79376A patent/PT79376B/pt unknown
- 1984-10-19 SE SE8405244A patent/SE8405244L/ not_active Application Discontinuation
- 1984-10-19 FR FR848416052A patent/FR2558539B1/fr not_active Expired
- 1984-10-19 ES ES1984282125U patent/ES282125Y/es not_active Expired
- 1984-10-19 DE DE19843438480 patent/DE3438480A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GR80708B (en) | 1985-02-19 |
ES282125U (es) | 1985-05-01 |
SE8405244L (sv) | 1985-04-22 |
IT8323312V0 (it) | 1983-10-21 |
NO163916B (no) | 1990-04-30 |
NO163916C (no) | 1990-08-08 |
DE3438480A1 (de) | 1985-05-09 |
GB8426385D0 (en) | 1984-11-21 |
NO844146L (no) | 1985-04-22 |
PT79376A (en) | 1984-11-01 |
GB2150221B (en) | 1987-07-15 |
FR2558539B1 (fr) | 1989-09-08 |
ES282125Y (es) | 1985-12-16 |
GB2150221A (en) | 1985-06-26 |
SE8405244D0 (sv) | 1984-10-19 |
FR2558539A1 (fr) | 1985-07-26 |
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