DE68913409D1 - Laufrad. - Google Patents
Laufrad.Info
- Publication number
- DE68913409D1 DE68913409D1 DE89850284T DE68913409T DE68913409D1 DE 68913409 D1 DE68913409 D1 DE 68913409D1 DE 89850284 T DE89850284 T DE 89850284T DE 68913409 T DE68913409 T DE 68913409T DE 68913409 D1 DE68913409 D1 DE 68913409D1
- Authority
- DE
- Germany
- Prior art keywords
- impeller
- cover discs
- secants
- vane
- wheel
- 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.)
- Expired - Fee Related
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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2238—Special flow patterns
- F04D29/2255—Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Microscoopes, Condenser (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8803233A SE461996B (sv) | 1988-09-14 | 1988-09-14 | Slutet loephjul foer pumpar, kompressorer, flaektar etc av centrifugal- eller halvaxiell typ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68913409D1 true DE68913409D1 (de) | 1994-04-07 |
DE68913409T2 DE68913409T2 (de) | 1994-06-23 |
Family
ID=20373321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68913409T Expired - Fee Related DE68913409T2 (de) | 1988-09-14 | 1989-09-04 | Laufrad. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4981417A (de) |
EP (1) | EP0359731B1 (de) |
JP (1) | JPH02230999A (de) |
AT (1) | ATE102296T1 (de) |
CA (1) | CA1313974C (de) |
DE (1) | DE68913409T2 (de) |
SE (1) | SE461996B (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2931432B2 (ja) * | 1991-04-30 | 1999-08-09 | 大平洋機工 株式会社 | ウオータポンプまたは汎用ポンプの羽根車 |
JPH09313600A (ja) * | 1996-05-28 | 1997-12-09 | Terumo Corp | 遠心式液体ポンプ装置 |
US6443715B1 (en) * | 1999-11-19 | 2002-09-03 | Campbell Hausfeld/Scott Fetzer Company | Pump impeller |
US6837684B2 (en) | 2002-10-25 | 2005-01-04 | Grundfos Management A/S | Pump impeller |
US9046090B2 (en) * | 2011-10-19 | 2015-06-02 | Baker Hughes Incorporated | High efficiency impeller |
JP6351216B2 (ja) * | 2013-07-05 | 2018-07-04 | 株式会社荏原製作所 | 水中ポンプ用ポンプ羽根及びこれを備えた水中ポンプ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US867069A (en) * | 1906-12-17 | 1907-09-24 | Fritz Neumann | Blade-wheel for centrifugal pumps. |
FR691676A (fr) * | 1930-01-07 | 1930-10-24 | Sulzer Ag | Pompe rotative, en particulier pompe alimentaire de chaudière |
US2101653A (en) * | 1934-09-01 | 1937-12-07 | C S Engineering Co | Impeller for centrifugal pumps |
CH433149A (fr) * | 1962-07-03 | 1967-03-31 | English Electric Co Ltd | Machine hydraulique |
JPS5551992A (en) * | 1978-10-11 | 1980-04-16 | Kubota Ltd | Pump impeller |
SE426976B (sv) * | 1979-04-27 | 1983-02-21 | Flygt Ab | Skovelhjul |
JPS55146275A (en) * | 1979-05-04 | 1980-11-14 | Hitachi Ltd | Water turbine runner |
-
1988
- 1988-09-14 SE SE8803233A patent/SE461996B/sv not_active IP Right Cessation
-
1989
- 1989-08-08 US US07/391,343 patent/US4981417A/en not_active Expired - Fee Related
- 1989-09-04 EP EP89850284A patent/EP0359731B1/de not_active Expired - Lifetime
- 1989-09-04 AT AT89850284T patent/ATE102296T1/de active
- 1989-09-04 DE DE68913409T patent/DE68913409T2/de not_active Expired - Fee Related
- 1989-09-13 JP JP1238369A patent/JPH02230999A/ja active Pending
- 1989-09-13 CA CA000611191A patent/CA1313974C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0359731A1 (de) | 1990-03-21 |
JPH02230999A (ja) | 1990-09-13 |
SE8803233L (de) | 1990-03-15 |
SE8803233D0 (sv) | 1988-09-14 |
SE461996B (sv) | 1990-04-23 |
ATE102296T1 (de) | 1994-03-15 |
US4981417A (en) | 1991-01-01 |
CA1313974C (en) | 1993-03-02 |
EP0359731B1 (de) | 1994-03-02 |
DE68913409T2 (de) | 1994-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |