CH439978A - Centrifugal pump, especially for medium to small flow rates - Google Patents
Centrifugal pump, especially for medium to small flow ratesInfo
- Publication number
- CH439978A CH439978A CH207967A CH207967A CH439978A CH 439978 A CH439978 A CH 439978A CH 207967 A CH207967 A CH 207967A CH 207967 A CH207967 A CH 207967A CH 439978 A CH439978 A CH 439978A
- Authority
- CH
- Switzerland
- Prior art keywords
- medium
- flow rates
- centrifugal pump
- small flow
- small
- 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
- F04D29/18—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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
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 |
|---|---|---|---|
| DEB0072749 | 1963-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH439978A true CH439978A (en) | 1967-07-15 |
Family
ID=6977575
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH207967A CH439978A (en) | 1963-07-19 | 1964-07-17 | Centrifugal pump, especially for medium to small flow rates |
| CH938064A CH438035A (en) | 1963-07-19 | 1964-07-17 | Centrifugal pump, especially for medium to small flow rates |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH938064A CH438035A (en) | 1963-07-19 | 1964-07-17 | Centrifugal pump, especially for medium to small flow rates |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3244109A (en) |
| BE (1) | BE650777A (en) |
| CH (2) | CH439978A (en) |
| DE (1) | DE1453723A1 (en) |
| GB (2) | GB1081163A (en) |
| NL (1) | NL6408151A (en) |
Families Citing this family (56)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1460696A (en) * | 1965-09-23 | 1966-01-07 | Method and apparatus for vacuum drying of hides and skins | |
| GB1307312A (en) * | 1970-03-31 | 1973-02-21 | Weir Pumps Ltd | Pump and a diffuser for the pump |
| US3795461A (en) * | 1972-08-10 | 1974-03-05 | M Eskeli | Compressor with cooling |
| US4556364A (en) * | 1981-07-23 | 1985-12-03 | D. Wickham And Company Limited | Centrifugal pumps |
| US4531886A (en) * | 1983-04-04 | 1985-07-30 | Casimir Rogo | Drum pump |
| US4629394A (en) * | 1983-07-25 | 1986-12-16 | Chandler Evans Inc | Centrifugal pump having low flow diffuser |
| DE3843428C2 (en) * | 1988-12-23 | 1993-12-09 | Klein Schanzlin & Becker Ag | Centrifugal pump impeller with low specific speed |
| JP2809487B2 (en) * | 1989-07-05 | 1998-10-08 | 株式会社荏原製作所 | Centrifugal pump casing |
| DE3943273C2 (en) * | 1989-12-29 | 1996-07-18 | Klaus Union Armaturen | Horizontal centrifugal pump with canned magnetic coupling |
| DE4310467A1 (en) * | 1993-03-31 | 1994-10-06 | Klein Schanzlin & Becker Ag | Pot housing pump |
| 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 |
| US6303074B1 (en) | 1999-05-14 | 2001-10-16 | Paul V. Cooper | Mixed flow rotor for molten metal pumping device |
| US6431828B1 (en) * | 2000-04-05 | 2002-08-13 | Envirotech Pumpsystems, Inc. | Non-planar rotor cover for a centrifugal pump |
| 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 |
| GB2378732B (en) * | 2001-05-22 | 2004-08-18 | Fans & Blowers Ltd | Fan |
| US7470392B2 (en) | 2003-07-14 | 2008-12-30 | Cooper Paul V | Molten metal pump components |
| US20070253807A1 (en) | 2006-04-28 | 2007-11-01 | Cooper Paul V | Gas-transfer foot |
| 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 |
| 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 |
| US7906068B2 (en) | 2003-07-14 | 2011-03-15 | Cooper Paul V | Support post system for molten metal pump |
| US7326028B2 (en) * | 2005-04-28 | 2008-02-05 | Morando Jorge A | High flow/dual inducer/high efficiency impeller for liquid applications including molten metal |
| US8366993B2 (en) | 2007-06-21 | 2013-02-05 | Cooper Paul V | System and method for degassing molten metal |
| US9205490B2 (en) | 2007-06-21 | 2015-12-08 | Molten Metal Equipment Innovations, Llc | Transfer well system and method for making same |
| US9643247B2 (en) | 2007-06-21 | 2017-05-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer and degassing system |
| US9410744B2 (en) | 2010-05-12 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Vessel transfer insert and system |
| US9409232B2 (en) | 2007-06-21 | 2016-08-09 | Molten Metal Equipment Innovations, Llc | Molten metal transfer vessel and method of construction |
| US8613884B2 (en) | 2007-06-21 | 2013-12-24 | Paul V. Cooper | Launder transfer insert and system |
| US8337746B2 (en) | 2007-06-21 | 2012-12-25 | Cooper Paul V | Transferring molten metal from one structure to another |
| US9156087B2 (en) | 2007-06-21 | 2015-10-13 | Molten Metal Equipment Innovations, Llc | Molten metal transfer system and rotor |
| WO2011014988A1 (en) * | 2009-08-04 | 2011-02-10 | Yu Chun Kwan | Centrifugal pressure pump and energy transformation device using the same |
| US8444911B2 (en) | 2009-08-07 | 2013-05-21 | Paul V. Cooper | Shaft and post tensioning device |
| US8449814B2 (en) | 2009-08-07 | 2013-05-28 | Paul V. Cooper | Systems and methods for melting scrap metal |
| US8524146B2 (en) | 2009-08-07 | 2013-09-03 | Paul V. Cooper | Rotary degassers and components therefor |
| US8535603B2 (en) | 2009-08-07 | 2013-09-17 | Paul V. Cooper | Rotary degasser and rotor therefor |
| US10428821B2 (en) | 2009-08-07 | 2019-10-01 | Molten Metal Equipment Innovations, Llc | Quick submergence molten metal pump |
| 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 |
| US20110243732A1 (en) * | 2010-03-30 | 2011-10-06 | Yung-Sho Yang | Pump impeller |
| NO332696B1 (en) * | 2011-03-09 | 2012-12-10 | Agr Subsea As | Rotodynamic pump for alternating delivery |
| US9695826B1 (en) * | 2012-06-28 | 2017-07-04 | James Harmon | Pitot tube pump and related methods |
| 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 |
| US10267314B2 (en) | 2016-01-13 | 2019-04-23 | Molten Metal Equipment Innovations, Llc | Tensioned support shaft and other molten metal devices |
| US10912885B2 (en) * | 2017-08-02 | 2021-02-09 | Angiodynamics, Inc. | Device and method for infusing and aspirating fluid |
| US11149747B2 (en) | 2017-11-17 | 2021-10-19 | Molten Metal Equipment Innovations, Llc | Tensioned support post and other molten metal devices |
| US11931802B2 (en) | 2019-05-17 | 2024-03-19 | Molten Metal Equipment Innovations, Llc | Molten metal controlled flow launder |
| US11873845B2 (en) | 2021-05-28 | 2024-01-16 | Molten Metal Equipment Innovations, Llc | Molten metal transfer device |
| US12146508B2 (en) | 2022-05-26 | 2024-11-19 | Molten Metal Equipment Innovations, Llc | Axial pump and riser |
| US11805765B1 (en) | 2023-02-07 | 2023-11-07 | Bradley Toschlog | Centrifugal pump system |
| US12439899B2 (en) | 2023-02-07 | 2025-10-14 | Bradley Toschlog | Centrifugal pump system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US464716A (en) * | 1891-12-08 | Apparatus for discharging water | ||
| US704360A (en) * | 1901-07-03 | 1902-07-08 | Natural Power Co | Blower and compressor. |
| US1083739A (en) * | 1913-01-29 | 1914-01-06 | Hans Guyer | Centrifugal pump and compressor or the like. |
| US1166257A (en) * | 1913-11-01 | 1915-12-28 | Edmund Scott Gustave Rees | Centrifugal pump, turbine, condenser, and the like. |
| US1268630A (en) * | 1917-05-31 | 1918-06-04 | Joseph P Ruth Jr | Aerating device. |
| US1914919A (en) * | 1931-10-30 | 1933-06-20 | Allis Chalmers Mfg Co | Centrifugal pump |
| US2144417A (en) * | 1937-01-11 | 1939-01-17 | Claude B Schneible | Sludge pump |
| US2222954A (en) * | 1938-03-15 | 1940-11-26 | Ogrinc John | Pump |
| GB579770A (en) * | 1943-10-04 | 1946-08-15 | Lionel Haworth | Improvements in or relating to centrifugal compressors, pumps and superchargers |
| US2622858A (en) * | 1948-04-22 | 1952-12-23 | Infilco Inc | Apparatus for submerged gas diffusion |
| DE801248C (en) * | 1949-09-14 | 1950-12-28 | Henschel & Sohn G M B H | Device for reducing the fluid friction in rotating flow machines, especially centrifugal pumps |
| US2825285A (en) * | 1953-12-28 | 1958-03-04 | Belton A Copp | Centrifugal pump with discharge manifold |
| US2990107A (en) * | 1956-11-30 | 1961-06-27 | Ray C Edwards | Compressor |
| US2999628A (en) * | 1957-08-26 | 1961-09-12 | Joseph S Crombie | Low pressure compressor |
-
1963
- 1963-07-19 DE DE19631453723 patent/DE1453723A1/en active Pending
-
1964
- 1964-07-10 US US381677A patent/US3244109A/en not_active Expired - Lifetime
- 1964-07-16 NL NL6408151A patent/NL6408151A/xx unknown
- 1964-07-17 CH CH207967A patent/CH439978A/en unknown
- 1964-07-17 CH CH938064A patent/CH438035A/en unknown
- 1964-07-20 BE BE650777A patent/BE650777A/xx unknown
- 1964-08-04 GB GB30464/64A patent/GB1081163A/en not_active Expired
- 1964-08-04 GB GB56061/66A patent/GB1081164A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1453723A1 (en) | 1969-07-31 |
| GB1081163A (en) | 1967-08-31 |
| US3244109A (en) | 1966-04-05 |
| BE650777A (en) | 1965-01-20 |
| NL6408151A (en) | 1965-01-20 |
| GB1081164A (en) | 1967-08-31 |
| CH438035A (en) | 1967-06-15 |
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