Dec. 17, Y1946. Iw. A. BRI-:CHT ET AL " 2,412,866 DOUBLE-END TURBINE LOCOMOTIVE Filed Feb. 1o, 1944 / \ \ \ 13„ 25€ ,WZLi 3129I, I. of' . r-_ WITNESSES: , día. Z6 W 2L, y 'ß 4 andó'?ar/es Kerr; Jl'. Patented Dec. 17, 1946 2,412,866N _ , UNITED STATES PATENT `OFFICE I 2,412,866 DOUBLE-END TURBINE LOCOMÜTIVE' Winston A. Brecht, Wilkins'burg, and Charles Kerr, Jr., Edgewood, Pa., assignors to Westing , house Electric Corporation, East Pittsburgh, Pa., a corporation of Pennsylvania Application February 10, 1944, Serial No. 521,792 I 5 Claims. 1 (Cl. 105-38) 2- , to provide a locomotive which shall be simple and , ` - , tion. If desired, the tender‘unit II may be of the efficient in operation and which Amay be »eco nomically manufactured and installed. , factorily at relatively high speeds in either direcà Our invention relates, generally, to locomotive and, mûre Particularly, to turbine-driven locomo tives. Anobiect of our invention, generally stated, is , truck-type instead of the rigid frame type. As' illustrated, the'power unit III may be pro- l vided with‘six driving axles I8 which are pro-'1 pelled by a turbine I9. Since each axle has two wheels, the power unit ,is provided with twelve driving wheels 2li. The turbine I9 may be con-` , A more specific object of our invention is to nected to the axles I8 through a reduction gear~ ing 2 I, a reverse gear 22, a longitudinally disposed drive shaft 23 and additional reductionvgear units ' 24 disposed between the shaft 23 and the axles, provide a locomotive capable of operating at rela tively high speeds in either direction. Another object of our invention is to provide a locomotive having relatively high horsepower capacity and relatively light axle loadings. as more fully described in our copending 4ap'plica- _ a power unit and a tender unit which have a sub place of reversing gears. tion Serial No. 521,793, iiled February 10, A1944. ‘ A further object of our invention is to provide It will be understood that driving arrangements. a locomotive and tender of a substantially sym 15 lof'other types may be utilized if desired. Thus, metrical outline. the driving wheels may be propelled by a separate- Other objects of our invention will be explained I turbine, geared to each axle, or lby a turbine fully hereinafter or will be apparent to those ,geared to each of two axles. Furthermore, the skilled in the art. ‘ In accordance with one embodiment of our in .2o number of driving axles may be varied. Also, a reverse turbine, or turbines, may be utilized in vention, a locomotive is comprised of two units, ' - In order to increase the total adhesive weight on the driving wheels, particularly for freight is located on the power unit near the middle of the locomotive, but the design of both units is 25 service, driving axles 25 may be provided _for the 'tender unit II‘. The axles l25 may belpropelled such as to provide clear vision in each direction by a turbine 26 which may be connected to the from the operating- cab. Driving wheels may be axles 25 through a réduction gearing 21, a reverse provided on both the power and the tender umts gear 28, a drive shaft 29 and reduction gear units and propelled by turbines, preferably of the steam ^ 30. As shown, the tender unit is provided with type, ' stantially symmetrical outline. An operating cab „eight driving wheels 3|, however, as explainedl , For a fuller understanding of the nature and hereinbefore, driving arrangements of other types . objects of lour invention, reference may be had to may be utilized >for the tender unit as well as for the following detailed description, taken in con junction >with the accompanying drawing, in which the single ngure is a diagrammatic view of a locomotive embodying ourinvention. ~ "the power unit. ,35 . , Referring to the drawing, the locomotive shown therein is composed of a power unit III and a tender unit II which have a substantially sym , I ~ , From the foregoing description, itis apparent that we have provided a double-end locomotive which hasnumerous advantages over prior struc tures. The use of a turbine drive permits small 4driving wheels to be utilized, Vthereby making it to provide as many as six‘driving axles metrical outline and are disposed back-to-back. 40 possibleI in a rigid wheel base and permitting rigid steamx An operating cab 'I2 is disposed at the rear'of » the power unit l0, substantially at the middle of connections to the turbine or turbines. » The provision of at least six axles in a rigid the locomotive. The design of both units is such frame makes possible a ' locomotive having a‘ as to provide clear vision in each direction through _45 horsepower capacity considerably greater than_windows 9 provided in the cab I2. conventional locomotives of the same lwheel base. As shown, the locomotive is of the rigid frame This also permits relatively light> axledoadings, ` type. However, a locomotive of the truck' type may be utilized if‘desired. The power unit I0 ' >as compared with previous loadings. ' -.The use of,> small wheels'permlts the installa and the tender unit II are coupled togetherrat I3 between the-two units. Guiding trucks I4 and I5 50 tion of a Alarger diameter boiler within permis' are provided at the front and the rear ends, re spectively, of the power unit I0. Likewise, guid ing trucks I6 and Il may be provided at the front and the rear ends, respectively, of the tender unit sible height restrictions. » The provision of a run ning gear for the tender unit similarto that of -the locomotive permits its. operation in either direction vat high speed with excellent tracking Il. Therefore, the locomotive will operate satis- 55 characteristics. ¿nasce Since numerous changes may be made in the at each end'thereof and driving axles between above-described construction, and different em the guiding trucks, and turbine means disposed bodiments of the -invention may be made _without departing from the spirit and scope thereof, it is intended that-all matter contained in the foregoing description or shown in the accom panying drawing shall be interpreted as illus between wheels oi' the guiding trucks for pro vpelling said driving axles at’relatively high speeds in either direction, said turbine. means being directly connected We claim as our invention: to said axles through revers- ‘ ing and‘reduction gears and drive shafts dis posed longitudinally of the locomotive. trative and not in a limiting sense. ` 4. A _ double-end - 1. A double-end locomotivecomprising, a power locomotive comprising, a power unit and atender unit having a sub unit and atender unit having a substantially t symmetrical outline, an operating cab 'disposed _ ' substantially at themidme of the locomotive to - afford clear vision in _either direction-said power unit having- a truck disposed at each end thereof and a' plurality of driving axles disposed between' the guiding trucks, said tender unit `stantially symmetrical outline and. disposed in back-to-back relation, an operating cab’ disposed at the rear of the power unit and substantially. at the middlev of the locomotive, said power unit having a yguiding truck disposed at each end thereof and driving axles> vdisposed >between thc guiding trucks,_said tender unit having a guid having av guiding truck at each end thereof and a plurality of driving axles _between the guiding ' ‘ ing truck'at each end thereof and driving axles between the guiding trucks; turbine means dis trucks', and turbine means- disposed between 20 posed between wheels of one of the guiding trucks p wheels of the guiding trucks for propelling said on _the power unit for propelling ythe driving -driving axles 'at relativelyhigh speeds in either axles on the power unit, and turbine means dis-> direction, said turbine means beinggdirectly con posed between wheels of ’one I:__oi' the. guiding nected to said axles through reversing andere duction gears and drive shafts disposed longi tudinally of the locomotive. c - _ `trucks on ,the tender unit for propelling .the driving“ axles on the tenderunit, said turbine means being directlyv connected _to said axles f 2.'AA double-end locomotive, comprising,- a through reversing _and reduction gears and drive -‘ ' A.power unit __and a tender unit _having a'substan >shafts disposed longitudinally of the` locomotive, tially symmetrical outline, an operating cab dig posed substantially lat* the middle of' the loco motive to alïord clear vision in either direction,: \ said power unit having a guiding truck. disposed _ at each end thereof and a plurality of driving 30 whereby said locomotive is capable of operating -f at relatively high speeds-in' either direction. v. 5. A two-unit locomotive having two frame sections coupled together, i a power unit >having a boiler disposed on one frame section, va tenders@ axles disposed between the guidingvtrucks, said unit disposed on the> other frame vsection,iï*'a'r`i tender unit having a. guiding truck @at each end 35 operating cab disposed inïthe powerj-unitr` and"-` thereofI and a plurality of driving axles between substantially at the middle of theï locomotive, the guiding trucks, turbine means dispœed be-V a guiding. truck disposed at each end of'ëth‘epower tween wheels of .one of its guiding _trucks for` unit, a plurality of driving. axles'disposed be propelling the driving axles on thepogver> unit,v and additional turbine means disposed between wheels of one of its- guiding trucks for propelling ‘ tween said guiding truckspa guiding-truck“ dis posed at each end ofthe vtenderhunitya*plu-V . `ralityr of driving axles disposedl between said the driving axles on the tender unit_„said turbine trucks, ¿turbine j means .disposed under' means being directly connected to Vsaid axles l _guiding neath the boiler and between` wheels on one of through reversing and reductiongears and drive .f theV guiding trucks on the power unit for pro-i» shafts disposed longitudinally of the locomotive, 45 peiling the driving axles on the 'power unit, and whereby said locomotive is capable of 'operating turbine means disposed between' wheelsof one. at relatively high speeds- in either direction. of the guiding trucks on the tender unit for pro 3. A double-end locomotive comprising, a' pelling the driving axles on >the tender unit, said power-unit and a tender 4unit having a lsubstan turbine 4means being directly connected to said tially symmetrical outline and disposed in back-> 50 axles through reversing andreduction gears and to-back relation, an operating cab disposed at the drive shafts disposed longitudinallyof the' loco rear of the power unit and substantially at-the motive, whereby said locomotive is _capable `of middle of the locomotive, said power unit having operating at relatively `h.ig_h'¿_speeds in either, a guiding truck disposed at each end _thereof direction. ' Ä and driving-axles disposed between the’guidlng 55 trucks, said tender unit having a guiding truck „cHaRLEs _Jr.