US2669931A - Electromagnetic fluid pump - Google Patents

Electromagnetic fluid pump Download PDF

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Publication number
US2669931A
US2669931A US182121A US18212150A US2669931A US 2669931 A US2669931 A US 2669931A US 182121 A US182121 A US 182121A US 18212150 A US18212150 A US 18212150A US 2669931 A US2669931 A US 2669931A
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United States
Prior art keywords
fluid pump
fiuid
electromagnetic fluid
channel
bell
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Expired - Lifetime
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US182121A
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Nat H Godbold
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K44/00Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
    • H02K44/02Electrodynamic pumps
    • H02K44/06Induction pumps

Definitions

  • the electromagnetic fluid pump is oldinthesrtendisshowmtorenmpleJnPetent 2,397.785tol'ried1lnderendmPetent 1.298544% Chubb.
  • Such pumps oi the prior srt develop en impeliinz pressure heedbythedirectiorce developed betveen an electric current Misprovidedtochenneitheeonductingiluidto throuzhthei'iuidandenexternallyimpressed bepumpedthroughtiiemgneu mm mszneticfleld.
  • the snnulsr chnnnel connects with the outer which is capable of hieher volumetric capacity and oi the bell-shaped chsnnei It.
  • This closed circuit permits the dinelprinciplethetthedirectionoicmrentflow crestionoiinducedlonzitudinsicm-rentsinth intheiiuidmustbeperpendiculsrtothedirection flmdinthessmemennersscurrentssreind intherotorconductorsoteninduetionmo withtheresuitthetreectionotthecm'renuwi therotstin mlsnetictieidcatesrotntionoith iscnusedtorotsteundertheiniiueneeoirotetion byceusinge oithemezneticneld.
  • said electric windin being supported on at least one of the core elements to produce under a condition of enerxization a substantially radial rotating ma:- netic field.
  • said fiuid channel first portion being a bell-shaped duct supported adjacent a first endoithefirstcoreelementnaidfiuidchannei second portion beinl an elonlated generally circularductnestedbetweenthefirstandseoond core elements, said hell-shaped duct being connectedetitslar eendtoafirstendoithesecond duct portion.
  • said fiuid channel third portionbeiimafiarinzdtictconnectedatthesmallerendtoasecondendoithesecondductportion, a circular magnetic extension element atfixed to the second core element to overhaul the bell-shaped duct outer portion.
  • a maanetic extension element aifixed to the first core element and extendin: to the bell-shaped duct. and fiuid conveyinzmeansconnectedtotheinnerendot the bell-shaped duct, means for electrically conneotin: the fiuid channel first and third portions, whereby under a condition of electrical energization, a rotatinz field traverses part of the bell-shaped duct and the fiuid channel second portion thereby causing rotation or a conductin:

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

TAG-ll Fe. 23, 1954 N. H. GODBOLD ELECTROMAGNETIC FLUID PUMP Filed Aug. 29. 1950 7 IndLLC'hUYl QM? INVENTOR. Q) Nat H. Godbolcl g? Mi? PM Feb. as, use 2 569 3 umrb sures PATENT OFFICE IIIOI'IOIAGNI'I'IO FLUID was! Appllsetlsn Ans-t 80. 1150, Seth! No. 183.131
1 ecu-s. (Clue-1) fluid subieetedtothesecumuieaouorinteeretlonot pumpsoithetrpeinwhichsnelectrieslbcmeneeulimitedonbbsthesttsmmentoisrotsductinsfluidisimpelledslm eehsnnelbythe tiomiveloeitym-w memetieioree whiohremitsimmsnelectric iocityoitheimpreledmsenetiofleld. currentpessinzthrouehtheiiuidinemeen Inthedrswines:
etie neldsnmmoieperticulerlmthieinventionre- Flsureiisslonsitudinslerosssectionsivieu M lt n p ved eleetromssn fl p p pretmed tottheelectromssnetie e pumpoithepressntinventionendl'ieureiiss rotetionelmotionoieliquidmsssendtheprespertielsectiontskmonphnet-iodrisurex. sureheedisobtsinediromthecentritumioree 1o Reterringtol'iguuLe mmmu resuitinztheretrom. shmtocomprisescircmercorelishownin- In :enersi. the electromagnetic fluid pump is oldinthesrtendisshowmtorenmpleJnPetent 2,397.785tol'ried1lnderendmPetent 1.298544% Chubb. Such pumps oi the prior srt develop en impeliinz pressure heedbythedirectiorce developed betveen an electric current Misprovidedtochenneitheeonductingiluidto throuzhthei'iuidandenexternallyimpressed bepumpedthroughtiiemgneu mm mszneticfleld. suchemennerthstitissubieetedtothein- Ithssbeenicundthstslthouzhtheeleetrmzofluenceoi'themsenetieneld. Thisductcornmssneticiiuidpumpsotthepriorsrtsreeilective prisesetubeportionll'hiehnisllythreedsthe and adventeseous in many respects over other core structure ii. Atthe end otthecore strne. known types of pumps, thew-ere inadequate to ture. the ductflsres omnidirectionelly outnrdly provide suflieient volumeoiiioworsumoient presto form e beil-shsped channel II. An elonnted sureiormanyspplicetions. zoannulerchsnnell'lwhichmnybecylindriceiu It is, thereiore, the primer object of this inprovided between the core structures I end Ii. ventiontoprovideenelectromsanetic fluid pump The snnulsr chnnnel connects with the outer which is capable of hieher volumetric capacity and oi the bell-shaped chsnnei It. At the end and pressure zeneretion then those heretoiore oi the core structure opposed to'the beli-shsped kn wn- 30 chum "P vided. A Other objects oitheinventionwillsppeer from second beli-shsped channel is provided in the the following description wherein is explained conducting member zlmdmgmm thstiormottheinventionwhichhssbeen endwlththeexitendoithelnnulnrchmnel. selected for illustretioninthedrewinn sooom- The duct portion II is defined bye pfl-nyinlendiorminzpertoithisspeciiicetion. 35 w'hichisinintimateelectrieoontectwith These objects are obteined in the electromaaend member 20. It follows that a closed electric netic fluid pumpoi the present inventionby uticircuit is established by the fluid through the: lizinztheelectromseneticprineiplesuponwhich portionoieiiuidchsnnelwhichissupportedm thedevicesoithepriorertsrebesed'inenovei themelneticstruetureendthecmductinzend menner. Inthepriorsrtitisecoeptedesemmember 20. This closed circuit permits the dinelprinciplethetthedirectionoicmrentflow crestionoiinducedlonzitudinsicm-rentsinth intheiiuidmustbeperpendiculsrtothedirection flmdinthessmemennersscurrentssreind intherotorconductorsoteninduetionmo withtheresuitthetreectionotthecm'renuwi therotstin mlsnetictieidceusesrotntionoith iscnusedtorotsteundertheiniiueneeoirotetion byceusinge oithemezneticneld. Thu'etore.inthisreion, rotstinemotionotthefluidinthebell-shsped motionoitheiiuidisnormsltothedirectionor chsnnelll. 'I'hisiseileetedbyprovidingslow currentiiowbutthiseflectisusedindirectlsiorsohysteresespolepieeeelementllontheendoi'ths pmpulsioninthnttherotnryotthe coreportionilsndediseentchsnnelportionil. nuidmslismedesnilebleiorpropulsionbu m u i omdlrldchsnnel T ll,srins-shspedeutensionllotthemeenetie thiserrenzementliesintheisct corelisprcvided. 'i'heopencenta'ottherlne the y resin is es utensimieelosedhasnon-mslnetielideepa.
mg g mummy. u. mm m E m w m m wm m mm m. E m mmmmmm wmmmmmmm mm mm mmmWW M MMWMWWWWM WWW MWmmmmmmm WMWWM mmmmmmm mmmwmm mmmmmmwmm mmmmmmmmmmmwmmmmmmmmmmmwmm WE m m m n Mm M m mm mmmm mm m w m am w m mmmwmwwmm w mmmm m mym m m WW y? mm m a m w mmmmm mm mmw mmm wmfimmm m w K m m M w $2 ummm. m m mmm m m m mmmm mw mm WM m W Mm WWWM MMMWM mmmmmw wmmmmmmmmmwwmmmmmmmmmfimmm mmmmm mmmmmwmwwmw M m??? E" E3 mm mm mm fim m mm m fi mm mm W WM WMMWW mmmmwmwwmwmm Wmmmmmwwmmmmmmmwwmmmw mm 4 MP3 i m E m m m m w m m mm W mmmi mm w w w W m g WWW? E m M m 3 WW mm wm m W a ME mm fi m m w fiMm Mi i m m mm mw amwwm m m mm mm mmm mmwmm mm mmvmm mm flmx a m m u w m d mm m m m n mmmmmwmm wmmmmmmwmww mwmw mmmmmmm mmm mMmmmmmmmmmmmmmmmmmm mmmm said second core element being supported to surround the first core element. said electric windin being supported on at least one of the core elements to produce under a condition of enerxization a substantially radial rotating ma:- netic field. said fiuid channel first portion being a bell-shaped duct supported adjacent a first endoithefirstcoreelementnaidfiuidchannei second portion beinl an elonlated generally circularductnestedbetweenthefirstandseoond core elements, said hell-shaped duct being connectedetitslar eendtoafirstendoithesecond duct portion. said fiuid channel third portionbeiimafiarinzdtictconnectedatthesmallerendtoasecondendoithesecondductportion, a circular magnetic extension element atfixed to the second core element to overhaul the bell-shaped duct outer portion. a maanetic extension element aifixed to the first core element and extendin: to the bell-shaped duct. and fiuid conveyinzmeansconnectedtotheinnerendot the bell-shaped duct, means for electrically conneotin: the fiuid channel first and third portions, whereby under a condition of electrical energization, a rotatinz field traverses part of the bell-shaped duct and the fiuid channel second portion thereby causing rotation or a conductin:
fiuid enveloped therein. and centrifugal force thereby developed causes the fiuid in the bellshaped portion to mimte into the fiuid channel second portion and from thence into the fiuid channel third portion from which the fiuid is impelled outwardly.
NAT H. OODBOLD.
admcitcdlnthemeolthilpttcnt UNITEDSTATEB PATENTS
US182121A 1950-08-29 1950-08-29 Electromagnetic fluid pump Expired - Lifetime US2669931A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE945689C (en) * 1954-11-07 1956-07-12 Dr Albert Perlick Electrodynamic motion of fluids
US2808002A (en) * 1953-11-16 1957-10-01 Allis Chalmers Mfg Co Linear electromagnetic pump having concentric fluid passages
US2811107A (en) * 1953-09-18 1957-10-29 Allis Chalmers Mfg Co Electromagnetic centrifugal pump with diffuser vanes
US2836637A (en) * 1954-06-10 1958-05-27 Pechiney Prod Chimiques Sa Apparatus for removing liquid metal from furnaces
US2847936A (en) * 1953-08-14 1958-08-19 Allis Chalmers Mfg Co Electromagnetic centrifugal pump
US2982214A (en) * 1957-06-19 1961-05-02 Gen Electric Electromagnetic pump
US2987001A (en) * 1956-04-18 1961-06-06 British Thomson Houston Co Ltd Dynamo-electric machines
US2990485A (en) * 1956-06-18 1961-06-27 William H Lee Homopolar generator
US3030888A (en) * 1957-11-12 1962-04-24 Keltz Laurence Electromagnetic pump
DE1165417B (en) * 1957-01-10 1964-03-12 Atomic Energy Authority Uk Electromagnetic pump
US3196795A (en) * 1963-01-02 1965-07-27 North American Aviation Inc Electromagnetic pump system
US3260209A (en) * 1962-01-16 1966-07-12 Gen Electric Electromagnetic pump
US3303260A (en) * 1963-03-27 1967-02-07 Sintef Induction melting furnace
FR2182623A1 (en) * 1972-03-30 1973-12-14 Alsacienne Atom
US3876337A (en) * 1973-03-15 1975-04-08 Varian Associates High vacuum pumping systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1298664A (en) * 1915-01-18 1919-04-01 Westinghouse Electric & Mfg Co Vacuum-pump.
CH239816A (en) * 1942-11-24 1945-11-15 Berthier Louis Joseph Emile Pump for electrically conductive liquids.
US2397785A (en) * 1942-06-10 1946-04-02 Gen Electric Co Ltd Electromagnetic pump
US2539215A (en) * 1946-07-12 1951-01-23 Ajax Engineering Corp Electric furnace, including electromagnetic pump for molten metal
US2541841A (en) * 1947-06-20 1951-02-13 Ajax Engineering Corp Unidirectional flow in plurality chamber induction furnace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1298664A (en) * 1915-01-18 1919-04-01 Westinghouse Electric & Mfg Co Vacuum-pump.
US2397785A (en) * 1942-06-10 1946-04-02 Gen Electric Co Ltd Electromagnetic pump
CH239816A (en) * 1942-11-24 1945-11-15 Berthier Louis Joseph Emile Pump for electrically conductive liquids.
US2539215A (en) * 1946-07-12 1951-01-23 Ajax Engineering Corp Electric furnace, including electromagnetic pump for molten metal
US2541841A (en) * 1947-06-20 1951-02-13 Ajax Engineering Corp Unidirectional flow in plurality chamber induction furnace

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847936A (en) * 1953-08-14 1958-08-19 Allis Chalmers Mfg Co Electromagnetic centrifugal pump
US2811107A (en) * 1953-09-18 1957-10-29 Allis Chalmers Mfg Co Electromagnetic centrifugal pump with diffuser vanes
US2808002A (en) * 1953-11-16 1957-10-01 Allis Chalmers Mfg Co Linear electromagnetic pump having concentric fluid passages
US2836637A (en) * 1954-06-10 1958-05-27 Pechiney Prod Chimiques Sa Apparatus for removing liquid metal from furnaces
DE945689C (en) * 1954-11-07 1956-07-12 Dr Albert Perlick Electrodynamic motion of fluids
US2987001A (en) * 1956-04-18 1961-06-06 British Thomson Houston Co Ltd Dynamo-electric machines
US2990485A (en) * 1956-06-18 1961-06-27 William H Lee Homopolar generator
DE1165417B (en) * 1957-01-10 1964-03-12 Atomic Energy Authority Uk Electromagnetic pump
US2982214A (en) * 1957-06-19 1961-05-02 Gen Electric Electromagnetic pump
US3030888A (en) * 1957-11-12 1962-04-24 Keltz Laurence Electromagnetic pump
US3260209A (en) * 1962-01-16 1966-07-12 Gen Electric Electromagnetic pump
US3196795A (en) * 1963-01-02 1965-07-27 North American Aviation Inc Electromagnetic pump system
US3303260A (en) * 1963-03-27 1967-02-07 Sintef Induction melting furnace
FR2182623A1 (en) * 1972-03-30 1973-12-14 Alsacienne Atom
US3876337A (en) * 1973-03-15 1975-04-08 Varian Associates High vacuum pumping systems

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