DE69722878D1 - Laufrad für flüssigmetallpumpen - Google Patents
Laufrad für flüssigmetallpumpenInfo
- Publication number
- DE69722878D1 DE69722878D1 DE69722878T DE69722878T DE69722878D1 DE 69722878 D1 DE69722878 D1 DE 69722878D1 DE 69722878 T DE69722878 T DE 69722878T DE 69722878 T DE69722878 T DE 69722878T DE 69722878 D1 DE69722878 D1 DE 69722878D1
- Authority
- DE
- Germany
- Prior art keywords
- impeller
- liquid metal
- metal pumps
- pumps
- liquid
- 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 - Lifetime
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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
- F04D7/065—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals for liquid metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1821696P | 1996-04-23 | 1996-04-23 | |
PCT/US1997/004313 WO1997040276A1 (en) | 1996-04-23 | 1997-04-23 | Molten metal impeller |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69722878D1 true DE69722878D1 (de) | 2003-07-24 |
DE69722878T2 DE69722878T2 (de) | 2003-12-04 |
Family
ID=21786835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69722878T Expired - Lifetime DE69722878T2 (de) | 1996-04-23 | 1997-04-23 | Laufrad für flüssigmetallpumpen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5785494A (de) |
EP (1) | EP0834021B1 (de) |
CA (1) | CA2222812C (de) |
DE (1) | DE69722878T2 (de) |
WO (1) | WO1997040276A1 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5944496A (en) | 1996-12-03 | 1999-08-31 | Cooper; Paul V. | Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection |
US6254340B1 (en) * | 1997-04-23 | 2001-07-03 | Metaullics Systems Co., L.P. | Molten metal impeller |
US6019576A (en) | 1997-09-22 | 2000-02-01 | Thut; Bruno H. | Pumps for pumping molten metal with a stirring action |
US6093000A (en) * | 1998-08-11 | 2000-07-25 | Cooper; Paul V | Molten metal pump with monolithic rotor |
US6303074B1 (en) | 1999-05-14 | 2001-10-16 | Paul V. Cooper | Mixed flow rotor for molten metal pumping device |
US6497559B1 (en) * | 2000-03-08 | 2002-12-24 | Pyrotek, Inc. | Molten metal submersible pump system |
US6689310B1 (en) | 2000-05-12 | 2004-02-10 | Paul V. Cooper | Molten metal degassing device and impellers therefor |
US6723276B1 (en) | 2000-08-28 | 2004-04-20 | Paul V. Cooper | Scrap melter and impeller |
US6524066B2 (en) | 2001-01-31 | 2003-02-25 | Bruno H. Thut | Impeller for molten metal pump with reduced clogging |
US6533535B2 (en) | 2001-04-06 | 2003-03-18 | Bruno H. Thut | Molten metal pump with protected inlet |
US20070253807A1 (en) | 2006-04-28 | 2007-11-01 | Cooper Paul V | Gas-transfer foot |
US7470392B2 (en) | 2003-07-14 | 2008-12-30 | Cooper Paul V | Molten metal pump components |
US7731891B2 (en) | 2002-07-12 | 2010-06-08 | Cooper Paul V | Couplings for molten metal devices |
US7402276B2 (en) * | 2003-07-14 | 2008-07-22 | Cooper Paul V | Pump with rotating inlet |
US20050013715A1 (en) | 2003-07-14 | 2005-01-20 | Cooper Paul V. | System for releasing gas into molten metal |
US7906068B2 (en) | 2003-07-14 | 2011-03-15 | Cooper Paul V | Support post system for molten metal pump |
WO2006014517A2 (en) * | 2004-07-07 | 2006-02-09 | Pyrotek Inc. | Molten metal pump |
CA2528757A1 (en) * | 2004-12-02 | 2006-06-02 | Bruno H. Thut | Gas mixing and dispersement in pumps for pumping molten metal |
US7497988B2 (en) * | 2005-01-27 | 2009-03-03 | Thut Bruno H | Vortexer apparatus |
US7507365B2 (en) * | 2005-03-07 | 2009-03-24 | Thut Bruno H | Multi functional pump for pumping molten metal |
US7534284B2 (en) * | 2007-03-27 | 2009-05-19 | Bruno Thut | Flux injection with pump for pumping molten metal |
US9409232B2 (en) | 2007-06-21 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer vessel and method of construction |
US8337746B2 (en) | 2007-06-21 | 2012-12-25 | Cooper Paul V | Transferring molten metal from one structure to another |
US8613884B2 (en) | 2007-06-21 | 2013-12-24 | Paul V. Cooper | Launder transfer insert and system |
US9643247B2 (en) | 2007-06-21 | 2017-05-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer and degassing system |
US9156087B2 (en) | 2007-06-21 | 2015-10-13 | Molten Metal Equipment Innovations, Llc | Molten metal transfer system and rotor |
US8366993B2 (en) | 2007-06-21 | 2013-02-05 | Cooper Paul V | System and method for degassing molten metal |
US9410744B2 (en) | 2010-05-12 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Vessel transfer insert and system |
US9205490B2 (en) | 2007-06-21 | 2015-12-08 | Molten Metal Equipment Innovations, Llc | Transfer well system and method for making same |
US8449814B2 (en) | 2009-08-07 | 2013-05-28 | Paul V. Cooper | Systems and methods for melting scrap metal |
US10428821B2 (en) | 2009-08-07 | 2019-10-01 | Molten Metal Equipment Innovations, Llc | Quick submergence molten metal pump |
US8524146B2 (en) | 2009-08-07 | 2013-09-03 | Paul V. Cooper | Rotary degassers and components therefor |
US8444911B2 (en) | 2009-08-07 | 2013-05-21 | Paul V. Cooper | Shaft and post tensioning device |
US8535603B2 (en) | 2009-08-07 | 2013-09-17 | Paul V. Cooper | Rotary degasser and rotor therefor |
US8714914B2 (en) | 2009-09-08 | 2014-05-06 | Paul V. Cooper | Molten metal pump filter |
US9108244B2 (en) | 2009-09-09 | 2015-08-18 | Paul V. Cooper | Immersion heater for molten metal |
CA2804111C (en) | 2010-07-02 | 2018-07-24 | Pyrotek, Inc. | Molten metal impeller |
US9458724B2 (en) | 2010-07-02 | 2016-10-04 | Pyrotek, Inc. | Molten metal impeller |
US9903383B2 (en) | 2013-03-13 | 2018-02-27 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened top |
US9011761B2 (en) | 2013-03-14 | 2015-04-21 | Paul V. Cooper | Ladle with transfer conduit |
US10052688B2 (en) | 2013-03-15 | 2018-08-21 | Molten Metal Equipment Innovations, Llc | Transfer pump launder system |
US10138892B2 (en) | 2014-07-02 | 2018-11-27 | Molten Metal Equipment Innovations, Llc | Rotor and rotor shaft for molten metal |
US10947980B2 (en) | 2015-02-02 | 2021-03-16 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened blade tips |
WO2017112726A1 (en) * | 2015-12-21 | 2017-06-29 | Greer Karl E | Post mounting assembly and method for molten metal pump |
US10267314B2 (en) | 2016-01-13 | 2019-04-23 | Molten Metal Equipment Innovations, Llc | Tensioned support shaft and other molten metal devices |
US11149747B2 (en) | 2017-11-17 | 2021-10-19 | Molten Metal Equipment Innovations, Llc | Tensioned support post and other molten metal devices |
US11358216B2 (en) | 2019-05-17 | 2022-06-14 | Molten Metal Equipment Innovations, Llc | System for melting solid metal |
US11873845B2 (en) | 2021-05-28 | 2024-01-16 | Molten Metal Equipment Innovations, Llc | Molten metal transfer device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1865918A (en) * | 1928-06-30 | 1932-07-05 | Junkers Hugo | Impeller and method of making same |
GB574079A (en) * | 1944-02-18 | 1945-12-19 | F W Brackett & Company Ltd | A new or improved centrifugal pump |
US2472412A (en) * | 1947-03-14 | 1949-06-07 | Walter B Fritz | Impeller for centrifugal force pumps |
GB789674A (en) * | 1954-12-03 | 1958-01-29 | Plessey Co Ltd | Improvements in or relating to impellers |
US2948524A (en) * | 1957-02-18 | 1960-08-09 | Metal Pumping Services Inc | Pump for molten metal |
US5088893A (en) * | 1989-02-24 | 1992-02-18 | The Carborundum Company | Molten metal pump |
US5180280A (en) * | 1990-05-28 | 1993-01-19 | Toshiharu Honda | Centrifugal pump |
US5203681C1 (en) * | 1991-08-21 | 2001-11-06 | Molten Metal Equipment Innovat | Submersible molten metal pump |
-
1997
- 1997-04-23 CA CA002222812A patent/CA2222812C/en not_active Expired - Lifetime
- 1997-04-23 WO PCT/US1997/004313 patent/WO1997040276A1/en active IP Right Grant
- 1997-04-23 EP EP97921076A patent/EP0834021B1/de not_active Expired - Lifetime
- 1997-04-23 DE DE69722878T patent/DE69722878T2/de not_active Expired - Lifetime
- 1997-04-23 US US08/842,004 patent/US5785494A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0834021B1 (de) | 2003-06-18 |
CA2222812A1 (en) | 1997-10-30 |
US5785494A (en) | 1998-07-28 |
EP0834021A1 (de) | 1998-04-08 |
CA2222812C (en) | 2003-06-24 |
EP0834021A4 (de) | 1998-07-15 |
DE69722878T2 (de) | 2003-12-04 |
WO1997040276A1 (en) | 1997-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |