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UNITEDSTATES PATENT‘ OFFICE, > KARL BAUMANN, OF URMSTON, ENGLAND, ASSIGNOB TO WESTINGHOUSE ELECTRIC:& >MANUFAGTURING 00., :A CORPORATION OF PENNSYLVANIA. ,- I j:1,375,076. RADIAL-FLOWSTEAM-renews Speci?cationofLettersPatent.‘ PatentedApr.19,1921. Application ?led September 29,‘ 1917. serieine, 194,056. ? * ’ - ternal guide wallsv8 which inconjunction BeitknownthatI,KARLBAUMANN,a ‘withthe'sidewall7andendwal1s'9,10 citizenofitheconfederation'ofSwitzerland, oftheexhaust‘casingformseparatepassages andaresidentofUrmston,inthecountyof ‘whichseverallyconductsegmentalportions Lancaster,England,havemadeanew and ofsteamleavingthebladering3'totheout To allwhom itmay concern.' useful Invention in-yRadial-Flow Steam Turbines, of which the following is a speci ?cation.‘'' - t '‘'A I let 11 of the exhaust casing.,_'Theexhaust casing is preferably provided at either end with supporting feet 12,13 from which the turbine, and also the condenser '14, may be This invention relates to steam~ turbine exhaustcasingsofthekindsetforthinthe supportedinposition’fromthefoundations.65. speci?cation of my vprior'application for The‘feet 12, 13 here illustrated are similar Letters Patent Serial No. 123,697 ?led Oc tober 4th, 1916, for steam turbines, the im inallrespectstothosedescribedinthes'peci- ~ ?cationofthemain patentabovereferredto. With an exhaust casing iconstr’ucted as roved construction of turbine exhaust cas 15mgthereinset‘forthbeingdescribedand abovedescribedandillustratedthe‘steam70 shownasappliedtoturbinesoftheaxial leavingthelastringofblades3willbe'di "videdby the internal guide walls 8'into flow type. ~ ' separatesegmentalportionsandthesesepa Accordingtothepresentinvention,which rateportionsof-steamwillrespectivelyflow is a modi?cation of that set forth in the 20 aforesaidpriorapplication,theimproved throughtheypassagesformedbysaidinter 75 25 construction ofvturbineexhaust casing is nalguide‘walls8andtheinclosingsideand adaptedforusewithradial'?ow'turbines ‘endwalls-oftheexhaustcasinguntilthey ofwhichthenowwellknownLjungstrom reachtheexhaustoutlet11whereallofsaid turbine is an example. , portions of steam will be ?owing in substan Inapplyingtheimprovedexhaustcasingto tially the same direction and will be dis 80 suchaturbinethecurvedguideorguidesfor tributeduniformlyoverthecondensingsur-‘ de?ecting the steam leaving the turbine out wardly ‘into an approximately radial direc tion of ?ow are unnecessary and are there face of the condenser. _ Having now particularly described and ascertainedthenatureofmy saidinvention 30 fore, in accordance with this invention, and in what manner the same is to be per 85 omitted,butinotherrespectstheexhaust formed,IdeclarethatwhatIclaimis: casing is constructed as described and shown 1.The combination with a radial.?ow intheaforesaidpriorapplicationinwhich turbine,acondenserdisposedatonesideof theguidewallsinconjunctionwiththein the turbine, and a series of diaphragms ' =closingwallsoftheexhaustcasingform formingexhaustpassagesopeningradially90 passages for'conducting the segmental por tions into which the steam leaving the tur bine is thereby divided to the exhaust .out let of the turbine. In the‘accompanying drawing is illus trated a Ljungstrom steam turbine provided at the periphery of the last row of blading and leading to different points along the condenser whereby steam exhausting from de?nitepointsoftheperipheryisconducted to de?nite points along the condenser. 95 2. In combination with a radial flow tur bine, a condenser disposed at one side of the .with an exhaust casing of the kind herein aboveindicated,modifiedinaccordancewith turbine,andanexhaustcasingsurrounding thepresentinvention,Figure1beingacen~ theperipheryoftheturbineblading,pro tral,longitudinalverticalsection,andFig. videdwithdiaphragmsdividingtheeasing100 2 asectiontakenatrightanglestothatof intoapluralityofpassages,eachadaptedto receive steam exhausted radially from a de? Inthedrawingthe?nalringofturbine nitesegmentofthebladingperiphery,and bladesisshownat3andthesteamsupply conductittoade?nitepointalongthecon~' Fig._1. . 7~ 7 e 50 pipesat4,4e. The'turbineshaft5issup ported in bearings 6. b Theexhaustcasing’?surroundsthelast ringofblades8and,asintheconstruction describedin the speci?cation of the main 55 patent,isprovidedwithapluralityofin denser, the said diaphragms being so ar 105 ranged that steam exhausting from the en tireperiphe ofthebladingisuniformly distributedaongthecondenser. ' 3. In combination with a radial flow tur bine exhausting steam radially from the 110PDF Image | RADIAL FLOW STEAM TURBINE 1917
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