US2669931A - Electromagnetic fluid pump - Google Patents

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

Images