CH438035A - Centrifugal pump, especially for medium to small flow rates - Google Patents

Centrifugal pump, especially for medium to small flow rates

Info

Publication number
CH438035A
CH438035A CH938064A CH938064A CH438035A CH 438035 A CH438035 A CH 438035A CH 938064 A CH938064 A CH 938064A CH 938064 A CH938064 A CH 938064A CH 438035 A CH438035 A CH 438035A
Authority
CH
Switzerland
Prior art keywords
medium
flow rates
centrifugal pump
small flow
small
Prior art date
Application number
CH938064A
Other languages
German (de)
Inventor
Willi Barske Ulrich Max
Murray William
Original Assignee
Willi Barske Ulrich Max
Murray William
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Willi Barske Ulrich Max, Murray William filed Critical Willi Barske Ulrich Max
Publication of CH438035A publication Critical patent/CH438035A/en

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
CH938064A 1963-07-19 1964-07-17 Centrifugal pump, especially for medium to small flow rates CH438035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB0072749 1963-07-19

Publications (1)

Publication Number Publication Date
CH438035A true CH438035A (en) 1967-06-15

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 Before (1)

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

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 (54)

* Cited by examiner, † Cited by third party
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
US20050013715A1 (en) * 2003-07-14 2005-01-20 Cooper Paul V. System for releasing gas into molten metal
US7507367B2 (en) * 2002-07-12 2009-03-24 Cooper Paul V Protective coatings for molten metal devices
US7731891B2 (en) * 2002-07-12 2010-06-08 Cooper Paul V Couplings for molten metal devices
US20070253807A1 (en) 2006-04-28 2007-11-01 Cooper Paul V Gas-transfer foot
US7402276B2 (en) 2003-07-14 2008-07-22 Cooper Paul V Pump with rotating inlet
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
US9410744B2 (en) 2010-05-12 2016-08-09 Molten Metal Equipment Innovations, Llc Vessel transfer insert and system
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
US8337746B2 (en) 2007-06-21 2012-12-25 Cooper Paul V Transferring molten metal from one structure to another
US9409232B2 (en) 2007-06-21 2016-08-09 Molten Metal Equipment Innovations, Llc Molten metal transfer vessel and method of construction
US8366993B2 (en) 2007-06-21 2013-02-05 Cooper Paul V System and method for degassing molten metal
US9156087B2 (en) 2007-06-21 2015-10-13 Molten Metal Equipment Innovations, Llc Molten metal transfer system and rotor
US9205490B2 (en) 2007-06-21 2015-12-08 Molten Metal Equipment Innovations, Llc Transfer well system and method for making same
WO2011014988A1 (en) * 2009-08-04 2011-02-10 Yu Chun Kwan Centrifugal pressure pump and energy transformation device using the same
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
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
US8444911B2 (en) 2009-08-07 2013-05-21 Paul V. Cooper Shaft and post tensioning device
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
US11858036B2 (en) 2019-05-17 2024-01-02 Molten Metal Equipment Innovations, Llc System and method to feed mold with molten metal
US11873845B2 (en) 2021-05-28 2024-01-16 Molten Metal Equipment Innovations, Llc Molten metal transfer device
US11805765B1 (en) 2023-02-07 2023-11-07 Bradley Toschlog Centrifugal pump system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CH439978A (en) 1967-07-15
BE650777A (en) 1965-01-20
NL6408151A (en) 1965-01-20
DE1453723A1 (en) 1969-07-31
GB1081163A (en) 1967-08-31
GB1081164A (en) 1967-08-31
US3244109A (en) 1966-04-05

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