WO1998025031A2 - Molten metal pumping device - Google Patents
Molten metal pumping device Download PDFInfo
- Publication number
- WO1998025031A2 WO1998025031A2 PCT/US1997/022440 US9722440W WO9825031A2 WO 1998025031 A2 WO1998025031 A2 WO 1998025031A2 US 9722440 W US9722440 W US 9722440W WO 9825031 A2 WO9825031 A2 WO 9825031A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- molten metal
- pump
- coupling member
- chamber
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
-
- 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
- F04D29/041—Axial thrust balancing
- F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
-
- 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
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- 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
- F04D29/0465—Ceramic bearing designs
-
- 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
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
-
- 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
- F04D29/406—Casings; Connections of working fluid 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/45—Flexibly connected rigid members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/70—Interfitted members
- Y10T403/7098—Non-circular rod section is joint component
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2244251 CA2244251C (en) | 1996-12-03 | 1997-12-03 | Molten metal pumping device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/759,780 US5944496A (en) | 1996-12-03 | 1996-12-03 | Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection |
US08/759,780 | 1996-12-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998025031A2 true WO1998025031A2 (en) | 1998-06-11 |
WO1998025031A3 WO1998025031A3 (en) | 1998-11-26 |
Family
ID=25056928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/022440 WO1998025031A2 (en) | 1996-12-03 | 1997-12-03 | Molten metal pumping device |
Country Status (2)
Country | Link |
---|---|
US (2) | US5944496A (en) |
WO (1) | WO1998025031A2 (en) |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2000009889A1 (en) * | 1998-08-11 | 2000-02-24 | Cooper Paul V | Molten metal pump with monolithic rotor |
WO2000028219A1 (en) * | 1998-11-09 | 2000-05-18 | Metaullics Systems Co., L.P. | Shaft and post assemblies for molten metal pumping apparatus |
EP1522735A2 (en) * | 1998-11-09 | 2005-04-13 | Metaullics Systems Co., L.P. | Shaft and post assemblies for molten metal pumping apparatus |
US6887425B2 (en) | 1998-11-09 | 2005-05-03 | Metaullics Systems Co., L.P. | Shaft and post assemblies for molten metal apparatus |
US7731891B2 (en) * | 2002-07-12 | 2010-06-08 | Cooper Paul V | Couplings for molten metal devices |
EP2811166A1 (en) * | 2013-06-07 | 2014-12-10 | Pyrotek, Inc. | Molten metal pump and emergency pump-out of molten metal |
US9080577B2 (en) | 2009-08-07 | 2015-07-14 | Paul V. Cooper | Shaft and post tensioning device |
US9382599B2 (en) | 2009-08-07 | 2016-07-05 | Molten Metal Equipment Innovations, Llc | Rotary degasser and rotor therefor |
US9410744B2 (en) | 2010-05-12 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Vessel transfer insert and system |
US9566645B2 (en) | 2007-06-21 | 2017-02-14 | Molten Metal Equipment Innovations, Llc | Molten metal transfer system and rotor |
US9643247B2 (en) | 2007-06-21 | 2017-05-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer and degassing system |
US9657578B2 (en) | 2009-08-07 | 2017-05-23 | Molten Metal Equipment Innovations, Llc | Rotary degassers and components therefor |
US9862026B2 (en) | 2007-06-21 | 2018-01-09 | Molten Metal Equipment Innovations, Llc | Method of forming transfer well |
US9903383B2 (en) | 2013-03-13 | 2018-02-27 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened top |
US9909808B2 (en) | 2007-06-21 | 2018-03-06 | Molten Metal Equipment Innovations, Llc | System and method for degassing molten metal |
US9982945B2 (en) | 2007-06-21 | 2018-05-29 | Molten Metal Equipment Innovations, Llc | Molten metal transfer vessel and method of construction |
US10052688B2 (en) | 2013-03-15 | 2018-08-21 | Molten Metal Equipment Innovations, Llc | Transfer pump launder system |
US10072891B2 (en) | 2007-06-21 | 2018-09-11 | Molten Metal Equipment Innovations, Llc | Transferring molten metal using non-gravity assist launder |
US10126059B2 (en) | 2013-03-14 | 2018-11-13 | Molten Metal Equipment Innovations, Llc | Controlled molten metal flow from transfer vessel |
US10138892B2 (en) | 2014-07-02 | 2018-11-27 | Molten Metal Equipment Innovations, Llc | Rotor and rotor shaft for molten metal |
US10267314B2 (en) | 2016-01-13 | 2019-04-23 | Molten Metal Equipment Innovations, Llc | Tensioned support shaft and other molten metal devices |
US10309725B2 (en) | 2009-09-09 | 2019-06-04 | Molten Metal Equipment Innovations, Llc | Immersion heater for molten metal |
US10428821B2 (en) | 2009-08-07 | 2019-10-01 | Molten Metal Equipment Innovations, Llc | Quick submergence molten metal pump |
US10947980B2 (en) | 2015-02-02 | 2021-03-16 | Molten Metal Equipment Innovations, Llc | Molten metal rotor with hardened blade tips |
US11149747B2 (en) | 2017-11-17 | 2021-10-19 | Molten Metal Equipment Innovations, Llc | Tensioned support post and other molten metal devices |
US11358217B2 (en) | 2019-05-17 | 2022-06-14 | Molten Metal Equipment Innovations, Llc | Method for melting solid metal |
US11873845B2 (en) | 2021-05-28 | 2024-01-16 | Molten Metal Equipment Innovations, Llc | Molten metal transfer device |
Families Citing this family (35)
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 |
US6071074A (en) * | 1998-08-07 | 2000-06-06 | Alphatech, Inc. | Advanced motor driven impeller pump for moving metal in a bath of molten metal |
US6123523A (en) * | 1998-09-11 | 2000-09-26 | Cooper; Paul V. | Gas-dispersion device |
US7284391B2 (en) * | 1998-10-06 | 2007-10-23 | Manitowoc Foodservice Companies, Inc. | Pump assembly for an ice making machine |
US6303074B1 (en) | 1999-05-14 | 2001-10-16 | Paul V. Cooper | Mixed flow rotor for molten metal pumping device |
US6457940B1 (en) * | 1999-07-23 | 2002-10-01 | Dale T. Lehman | Molten metal pump |
US6439860B1 (en) * | 1999-11-22 | 2002-08-27 | Karl Greer | Chambered vane impeller molten metal pump |
US6497559B1 (en) * | 2000-03-08 | 2002-12-24 | Pyrotek, Inc. | Molten metal submersible pump system |
US6562286B1 (en) * | 2000-03-13 | 2003-05-13 | Dale T. Lehman | Post mounting system and method for molten metal pump |
US6689310B1 (en) | 2000-05-12 | 2004-02-10 | Paul V. Cooper | Molten metal degassing device and impellers therefor |
US6837678B1 (en) | 2000-05-27 | 2005-01-04 | Dale T. Lehman | Molten metal pump impeller |
US6723276B1 (en) | 2000-08-28 | 2004-04-20 | Paul V. Cooper | Scrap melter and impeller |
US7144217B2 (en) * | 2001-10-26 | 2006-12-05 | Pyrotek, Inc. | Molten metal pump particle passage system |
US20030082052A1 (en) * | 2001-10-26 | 2003-05-01 | Gilbert Ronald E. | Impeller system for molten metal pumps |
US6685448B1 (en) * | 2002-02-04 | 2004-02-03 | Major Turbine Pump & Supply Co. | Water pump |
US7402276B2 (en) | 2003-07-14 | 2008-07-22 | Cooper Paul V | Pump with rotating inlet |
US7507367B2 (en) * | 2002-07-12 | 2009-03-24 | Cooper Paul V | Protective coatings for molten metal devices |
US20050013715A1 (en) * | 2003-07-14 | 2005-01-20 | Cooper Paul V. | System for releasing gas into molten metal |
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 |
DE50305957D1 (en) * | 2003-06-13 | 2007-01-25 | Meltec Industrieofenbau Gmbh | Apparatus for charging casting equipment with molten metal |
US7906068B2 (en) | 2003-07-14 | 2011-03-15 | Cooper Paul V | Support post system for molten metal pump |
US7453177B2 (en) * | 2004-11-19 | 2008-11-18 | Magnadrive Corporation | Magnetic coupling devices and associated methods |
CA2528757A1 (en) * | 2004-12-02 | 2006-06-02 | Bruno H. Thut | Gas mixing and dispersement in pumps for pumping molten metal |
WO2008073179A1 (en) * | 2006-09-22 | 2008-06-19 | Pyrotek, Inc. | Tensor rod |
US7534284B2 (en) * | 2007-03-27 | 2009-05-19 | Bruno Thut | Flux injection with pump for pumping molten metal |
US8613884B2 (en) | 2007-06-21 | 2013-12-24 | Paul V. Cooper | Launder transfer insert and system |
US7896617B1 (en) * | 2008-09-26 | 2011-03-01 | Morando Jorge A | High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal |
US8449814B2 (en) | 2009-08-07 | 2013-05-28 | Paul V. Cooper | Systems and methods for melting scrap metal |
US8714914B2 (en) | 2009-09-08 | 2014-05-06 | Paul V. Cooper | Molten metal pump filter |
US8328540B2 (en) * | 2010-03-04 | 2012-12-11 | Li-Chuan Wang | Structural improvement of submersible cooling pump |
PL220603B1 (en) | 2012-03-31 | 2015-11-30 | Biopal Spółka Z Ograniczoną Odpowiedzialnością | Liquid metal pump for the chemical reactor heating circuit |
CN108028079B (en) * | 2015-09-04 | 2021-12-17 | 陆地能源公司 | Pneumatic motor assembly, flow inducing system using the same and method of operating a pneumatic motor assembly |
CA3015659A1 (en) * | 2015-12-21 | 2017-06-29 | Karl E. Greer | Post mounting assembly and method for molten metal pump |
CN108240328A (en) * | 2017-12-29 | 2018-07-03 | 菲格瑞特(苏州)汽车科技有限公司 | It is a kind of to be used to extract aluminium alloy and the pump and its manufacturing method of zinc alloy melt |
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US6345964B1 (en) | 2002-02-12 |
WO1998025031A3 (en) | 1998-11-26 |
US5944496A (en) | 1999-08-31 |
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