Патент USA US2406269код для вставки
‘ v Agg. 20, 1946. ` v ` R. F. THORNTON l POWER UNIT Filed oct. 6,l 1.944 _I 2,406,259 ` _ l _ , 5 sheets-sheet 1 Aug. zo, 1946.I 2,406,269 R. F. THoRmoN POWER UNIT ' >Filed oct. 6, 1944 5 Sheets-Sheet'1 2 26 v e.. Lk -s-J .Eh FB `INVENTOR. @YJf,Taf w.„ ,W ,n `Patented Aug. 20, 1946 2,406,269 5 tzu-NITED .STATES Vi>A1f-EÍ1~uff-o'Fl-‘ICI'I` iy `>2,406,269 Ray F. Thornton, vPOWERDearborn, Mich. Application October 6, 1944, `Serial No. 557,511 4,v claims. (ci. rfi-_16) , 1` v `The;present invention relates -to a power unit and 'more particularly to a stationary power- unit in which a plurality of separate internal com bustion engines are interconnected for unitary operation to supply power to a single power take off shaft. Y . 2V ` gin'es are interconnected for unitary operation‘to supply power to a single power take-oli shaft. '2. To provide a stationary power plant of com pact design in which the power is’ generated by a plurality of separate internal combustion en gines which are interconnected for unitary op eration, the engines being capableV of separate Íoperation when desired. Internal combustion engines, such for exam ple as those used in automotive vehicles, have been highly developed and because of the mass 3. To provide a power unit in which »power is production methods’ utilized in their manufac 10 generated by a plurality of separate intercon ture are available at arelatively low cost per horsepower output. Inraddition, standard re placement partsare readily available and a llarge nected internal combustionengines mounted in a unitary frame of unique and rigid construc tion. ' " number "of Ytrained automotive mechanics are 4. To provide a power unit in which power gen available to perform the> necessary service opera 15 erated by a plurality of separate interconnected tions thereon. f y internal combustion engines is delivered to asin Stationary power units to supply sufficient gle power take-off `shaft »which is adjustably power in various installations may require more mounted for Vbodily movement relative to the shaft horsepower at times thancan be developed by a single conventional automotive type of in 20 frame of the power unit and relative to lthe drive shafts of the said internal combustion engines. . ternal combustion engine. Howeverfa plurality Other objects of the present invention will ap of such enginesmay, according to the present pear in the following description and appended invention; be interconnected for unitary opera claims, reference being had to the accompany tion to supply the required shaft horse power. to a single power take-oli” shaft. By utilizing a plu 25 ing drawings forming a part of this speciñcation wherein like reference characters designate cor rality of such engines, the power output may be responding partsin the severalviews. readily varied to compensate for the load re In the drawings: quirement,‘either byvarying the number of sep. Fig. 1 is a perspective view of the power unit 'of arate internal combustion engines in operation, as by cutting in or cutting out certain of the 30 the present invention with the side cover »plates removed to reveal the construction thereof. engines, or by operating the connected engines Fig. 2 is a side elevation of la power unit-em at lower speeds. `In either instance the power bodying the present invention with the side cover unit of the present invention provides a flexi plates in- closed position. bility in operation which frequently is lacking in stationary power units in which a single heavy 35 Fig. 3 is a cross-sectiontaken substantially on the line 3-3 of Fig. 21 inthe direction of the duty relatively large horse power internal com arrows. bustion engine is utilized. By way of example, but not of limitation, a stationary power unil; of the present invention Before‘explaining in detailthepresent inven tion it is to be understood that the invention may be utilized to supply power to portable ma 40 is not limited in its application to the details of construction and arrangement of parts illustrated chinery of various types, such for example as in the accompanying drawings, since the inven portable saw mills, earth handling and moving tion is capable of other embodiments and ofrbeing equipment, stone and rock Crushers and the like practiced or carried out in various ways. Also or similar equipment. It may also be used t0 it is to be understood that the phraseology or drive. pumping equipment and electricity gen 45 terminology employed herein is for the purpose erating equipment. In general, a power unit of ‘ of description and not of limitation. the present invention may be utilized wherever A power unit of the present invention com a heavy -duty stationary internal combustion en prises. a `plurality of separate internal combus gine is suitable for use as the power unit. tion engines l 0, .which are preferably of the auto -The principal objects of the present invention 50 motive type and of any desired conventional con struction. In the present drawings two such en gines are shown by Way of example, but itis ' 1. To providea power unit particularly adapted are: . - to be understood thatany desired numberymore a plurality of separateïinternal combustion len- 55 than two, may be utilized within the scopeof the present invention. The conventional type `.en-> for- use as a stationary power unit and in which 2,406,269 3" I' f " members I9 and 20 and by a front cross-frame . gines are each provided with a conventional type 4I. _ clutch which is connected to a unitary clutch l control shaft II, which is controlled by a clutch i operating lever I2. _ The engines I0 each drive a ` A longitudinally extending frame 42 con- ' Vnects the front cross-frame 4I and the cross frame I9. The longitudinally extending frames 42 lextend substantially parallel to the side sills 40 and are spaced therefrom to permit the‘en gines I0 to be suspended between them. The l shaft I5 to which a drive pulley IB isconnected. .side mounting brackets of the engines Iûgare ` Each arbor shaft I5 is journaled in fixed bearings secured to the longitudinal frameY member 42 and I1 and I8 mounted respectively. ‘onv crossV-franrieVv 10 to the'side» sills`40 by a V'plurality of `_any suitableY membersïIi-l 'and 2'0'of lthe power unit frame. type of vibrationabsorbing motor'mountings 43. j stub-shaft I3 which is connected through a conventional type universal joint I4 with an arbor . lilach‘engineVv I0 is provided >with fuel from a By thisY construction, the engines I0 are each separate fuel tank V2 I' through its conventional ._ i resiliently suspended -in a rigid cradling frame. fuel feeding system. Each tank 2I is provided-1 the side sills 40 and theY with a filling spout ‘22 which extends above _the _ top of the unit and’is closed by a removable i spout cap 23. f _. Y Y Secured to the tops of Y main frame are a plurality of upright top frame I ' vmembers 44»to which is secured the top and top . Conventional types of indicating instrumentaÈ A such for example as ammeters, tachometers and i" ` frame 45 from which the fuel tanks 2| are sus pended.VA ' "` ‘ ' 1 A»A longitudinally extending iiangeY 46 is pro the like (not shown) are operatively connected; , on each side of the top and top frame 45 ` with each engine I0 and are mounted on an in 20 vided for receiving the top longitudinal _edge portion strumentpanel _24_provi_d_ed in the dash 25, _one instrumentípanel 24 being 4vprovided for Aeach >of` of aremovable side cover-4l, the bottom Aedges of which are held in a plurality oflongitudinally spaced cover brackets 4Bsecuredto the side sills .-_Eachengine IIJ _is provided with a separate cool 40 of the main frame. -A plurality of spring clips 25 ing system which comprises a conventional Vtype 43 are secured to the cover 4l to engage ¿the of .?luidjradiator 26 having- a >iiller spout 2'I ex-` tending above the top plane -of >the unit and longitudinal The single edge power of theflange take-.off shaft 46; 50 is-provided _ 1 , , closed by Va removable ñller' spout top 28. `Air with a connector Vflange 5l> and is journaled in _ is drawn inwardly through theradiator core andy bearings 52 and 53 slidably mounted in vertically blown over each engine» Iß‘bya conventional type 30 extendingrigid bearing ¿slides ,'54" and 55. The of automotive engine cooling fan 29. I , ‘ .l , .. ,- »The exhaust >manifold of Veach, engine Il)V is connectedwith its own exhaust pipe 30 and ex bearing slide 54 is> connected >tothe _cross-frame 20 of the maink frame v`and to the rendV cross meme ber 3.5 ofv the‘z'base frame. a The »bearing slidev55 haustçgas vmufl‘ler _3_I.-V While the muffler 3| may is aligned with the/bearing slide 54'and extends be of anydesir'ed construction, If prefer to use 35 substantially 'parallel and in spaced , relation the muilier construction shown; in my _co-pending thereto. It is secured `to the cross-frameïmem application Serial No. 5253525." i, ' ' ber I9 of the main frame and one of the >plurality YThe engines I0 are- synchronized for operation 33 of the 4base frame. ' Y. as a unit, preferablyY by balancing the intake 40 ofcross-members . A'drive pulley 56 is secured to the power take-v manifold pressures, one suitable balancing mech off shaft 50between the bearings >52'a`nd153. ' The anism being shown by way, of exampleinzmy co' drivepulley 56 is driven'rfrom the'enginedriven pending application Serial No..52_4,4.02. drive pulleys Hi- by a pluralityk of ilexiblei‘l 'drive' The governor controlledfintake valve and the manuallyxcontrolled carbureter intakevalve are preferably connected by `>any suitableV type Vofade' Yjustable connecting“ Aand. control device. Y How Vertical adjustment óf 'the drive‘fpulleylrlärü'eof beltsâ'l. “ the- power: take-oir ever, it is to be understood that anyïother types of engine synchronizing and control mechanisms may be employed-if desireclgf' v' J ' 'Y r . The entire power unit is mountedV ina frame 50 which comprises a pairof base ’framefmembers '32'rigidly connected in spacedïsubstantially'par allel relation by a plurality of cross-frame mem; ' ' ' ' ' ' shaft V5f) to take up >slack’fin the drive belts 5l or to permit changes inthe drive ratios bythe substitution of a 'differentsize . ' drive pulley '56, isV provided by adjustedrvertical movements of the bearings 52 and 53 in' the bearL ing slides 54 and v55. The vvertical adjustment ~of the bearings 52 and 53 isi effected through'bearä ing slideadjusting screws d58 and'59.A The’ad bers 33, and end frame members v3’4 and 35. The justment of the `bearings 52 and 53 >in the bear n'e'etion of` conventional types of hooks employedv theV frame may ‘oe securedin'any’suitable manner preferably byy welding,` but any >¿other suitable means,V such for yexample'as bolts, rivets'> or theV base frame members 32’, cross-frame members 33 55 ing slides 54 Vand 55 is Ymaintained by‘lock nuts 65 and'öl on- the bottom adjusting screws »59. Y f and end frame members 34 and 35 areY al1Y pref The various frame elements heretofore de erably channel shape in cross-section to impart scribed are interconnected to form afsingle uni-` _ greater strength and rigidity thereto. tary frame construction-(which isrigidfand'has 'a The base members 32 `are preferably each'pro-V The _various ' f partsA 0f _ vided withïa plurality Vof eyes36 to permitY con-V 60 high strength-weight ratio.- Vwithhois'ting or moving equipment. The ends V3'I are shaped to permit use of the basel members,V 32 like, may be employed for this purpose. . - Y ' unit into operating 65 n as skids for moving the power The drive transfer mechariis herein disclosed ' position as for example onïa'fplurality’of spaced base members 38, which, if desired_,-may be struc may be replaced if Vdesiredby adriVe gear‘mech-- tural elements of 'the "machine with _which the anism herein disclosedïwouldgbe Yreplaced by'Y a power unit of the present invention is to be used. A plurality of vertically extending corner frame _ _ secured Yto Ythe tops >of the Vbase 70 members 39 are frame members 32 Y'and' to >the topsl'of the end frame members 34 and‘35fa'n'd supporta plural anis’m _in whichfevent thetransi’ei` drive mech-l gear case and gears.-therein.¿~~- t Q v j_ _ ‘_ . From the foregoing it will be seen that-I have provided a novel power unit construction in which a plurality of separate internal. combustion _en- _ Ygines Yare interconnected(forunitary operation to supply Y,power to ajsingle 'powertakegoiïshaft sills 40 of vthe main frame arersecured in_spaced 75 and in which the separate'ensines are capablel of ity'of side sills 40 ofY the'rnain frameffï‘lîie side substantially parallel relation bythe cross-frame 5 2,406,269 separate operation when desired, and are mount ed in a unitary frame of unique and rigid con struction. Power units embodying the presentV invention have been used successfully in various installations where a single heavy duty relatively large horse power internal combustion engine was previously employed as the power source. The greater flexibility and the greater economy in the repair or replacement of worn parts and the servicing of the u_nits by readily available trained automotive mechanics and has been found to be particularly advantageous. I claim: 1. A power unit including a plurality of sepa rate internal combustion engines interconnected for unitary operation to supply power to a sin gle power take-off shaft and having a rigid frame including a base frame and a vertically spaced motor supporting frameV secured to said base> frame, and including spaced substantially par allel side frames interconnectedby a plurality of cross-frame members, a drive shaft connected with each engine and journaled in a pair of ' spaced vertically adjustable bearings, slidably mounted in a pair of spaced slide members se cured between vertically spaced cross-frame members of said base frame and said motor sup porting frame, means associated with said slide members for adjustably moving said bearings in said slide members, a power take-off shaft and means connecting said drive shafts in driving re 30 Y lation to said power take-off shaft. 2. A power unit including a plurality of sepa rate internal combustion engines interconnected for unitary operation to supply power to a single power take-off shaft and having a rigid frame in cluding a base frame having a pair of spaced substantially parallel longitudinally extending 6 said bearings and comprising spaced slide mem bers each extending between aligned vertically spaced cross-frame members, one on said base frame and one on said motor supporting frame, and adjustable means associated’ with said slide members for moving thereto. said , bearings relative 3. A power unit as claimed in claim 2 and fur~ ther characterized in that said base frame in cludes a pair of spaced substantially parallel'lon gitudinally extending side skid members each having upwardly curved bottom end surfaces and an eye adjacent *each- end thereof, and a drive shaft is connected with each engine and journaled in bearings secured to a pair of said cross-frame members to drive a power take-off shaft, and means are provided for vertically adjusting said power take-off shaft relative to said drive shaft and include a pair of vertically adjustable slidable bearings and slides mounted between vertically spaced cross-frame members of said base frame and said motor supporting frame, and means for adjustably sliding said bearings in said slide members. 4. A power unit including a plurality of sepa rate internal combustion engines interconnected for unitary operation to supplypower to a single power take-olf shaft and having a rigid frame, including a base frame, and a vertically spaced motor supporting frame secured to said base frame, including spaced substantially parallel side frames interconnected by a plurality of cross frame members, and a centrally disposed longi tudinally extending member positioned between said side frames and extending between a pair of said cross-frame members adjacent one end Yof said motor supporting frame to provide with said „ side frames a plurality of rigid engine frame cradles, each of said engines being connected with side skid members and a vertically spaced'motor supporting frame secured to said base frame, and including spaced substantially parallel side frames 40 a drive shaft journaled in bearings secured to a pair of said cross-frame members to drive saidY interconnected by a plurality of cross-frame power take-off shaft, said power take-off shaft members, a drive shaft connected with each en being journaled in a pair of vertically adjustable gine and journaled in bearings secured to a pair bearings, one adjacent each end of said power of said cross-frame members, a power take-off 45 take-off shaft, and moveable in a pair of spaced shaft, means connecting said power take-off shaft slide members, said slides being secured between in driving relation to said power take-off shaft, vertically spaced cross-frame members of said a pair of vertically adjustable bearings, one adja base frame and said motor supporting frame, and cent each end of said power take-off shaft for means for adjustably moving said bearings in said ` rotatably journaling said power take-off shaft, n 50 slide members. and means for permitting vertical adjustment of RAY F. THORNTON.