US1048922A - Internal-combustion engine. - Google Patents

Description

W. C. WHSTAWAY INTERNAL GOMBUsTwN www APPLIOATONIILHD AUG, 3, 1008,

1,048,922; 'Patented Dec. 32,

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W. CLWBSTWAY. INTERNAL COMBUSTION ENGINE.

APPLICATION FILED AUG 3. was.

1,048,922, Patented Dec. 31, 1912.

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@figg MFSNE ASSIGN- 'NGIS, A GB- f 'valve on l' V1 Pf non. i 1e valve s 1s; Sage 8 between aha Qmnbuslbe and the l is ndaped to Ja bis h@ reduction @i is provided with noun , Hh xo 15 or iis 85 gf with ihe can :hei gem' 17 mesf i@ {hoc-mnh ..117 andi l 'i is @paged a 5% m31 funn the 5 laken fuaf i.

mmentum o f3 ille pigiama. back, im@ h@ mt @E sutabe memanm usual 501m being sion the waste products produced by the pieten are driven out through the exhaust port controlled by the valve 10-which is Ypreferably opened when the piston has reached the liinit oi'l travel toward the eranl( end ot' the (cylinder at' the time ot the explosion. The timing mechanism controllingA the spark plug' llV forms no part, 0F my invention and is not. k-howl'n it being sullieielnt to Sav that. a spark is produeed at each' time the charge is eon'ipresfed:

At each time when the charge buetible fired. the cylinder walls and pistion are heated by the eonibustion. )ly preferred iorm of engine is provided with means for forcing; a Cooling;r iuid, such as air or the like. into the cylinder of the enol rontgine preferably while the engine is discharg- Ling); the waste products of combustion thereby coolingy the cylinder Walls and piston and at the same time drivingg ontA Substanthe engine cylinder. the preferred construe# tion eompriSing what may be ternied an auxiliary or cooling fluid Cylinder 19. The cylinder 19 is provided with a piston or plnnler 9.0 of any Suitableform arranged therein and preferably tmeratively Qonneeted by suitable means to the Crank Shaft I" ln the Construction shown thel eonneeting means; is arranged to drive or reeipro. rale the piston 'l0 one Complete stroke, thaty in. a etrolie in one direction and return while ihr engjii'ie piston 5 is making' two eoniplete Stroker-1. As shown the piston Qtr is provided with a piston rod 21 which ie driven I a seeondary 'Shaft Q2 suitably connected by means of a chain 21.5 and-Sproeket wheels and 2T; to the crank shaft lt itaobviotm however, that any other.Suitable arrangenient may be employed `to reeipro-ate the piston 2t) and that if' dereired it mav be entirely independent. .of the engine itself. The cooling cylinder ia provided with an inlet 26 Controlled by a suitable valve Q7 or it# equivalent, rez-'ilient means 2h normally re- `eharggIed from the Cooling cylinder 19 into the engine cylinder.

1n operation at the time the engine piston starts to move toward the crank shaft under the force of the explosion the piston 20 starts on the return stroke toward the head end of the eylinder 19, the cylinder 19 beiner substantially filled with the cooling fluid. However. the pressure within the engine cylinder is sullitfientt retain the Valve member Jil closed until the piston has reaehed the end of its travel toward the cranlt' end and the exhaust valve 10 has been opened. At this time the piston Q0 has traveled half of the dietance toward the head end ol' it cylinder and at the time the exl|au t valve olf the engine cylinder iS openthe cooling' fluid is forced through the pipe I'-l and b v the valve Q9 into the combmtion (-hamber ol` the engine. AS the piston 5 movea toward the head end of its cylinder forcing out the waste produets Ofcombustion. (fooling fluid is simultaneously toreed into the engine cylinder Cooling the .-ylinder wallsl and pieton and at the. Same time driving out the waste products of coinbuietion or t'oul`mixture. AS a fresh charge ot' combustible is drawn into the engine evlinder and eompresaed the rooting fluid is drawn into the cooling` tfvlinder 1t) through thH inlet 2V. the operationA continuing as desrribed. i

ln the ordinary form of engine Cooled t'rom without the cylinder at the time a fresh char/5e ol" eombuf-tible is drawn into the evlinder there remains a quant-ity of waste products ol' combustion or foul mixture whieh mixesA with the new charge and t'ouls it to a more or les@ extent. lVith my deviee the rou'ibustion ehan'iber iS Substantially filled with pure air` when air is used as a eoolingtluid at the time a fresh charge is taht-n into the cylinder. thus I`arriving a hetter mixture. lt de ired or necessary the quantity of air previoualy mixed with the eombustible or Charge bet'f'ire enteringr the evlinder may be varied as necessary or de.- sirable to meet the eonditionresulting from the introduetion ot the cooling' fluid. S is obviom4 the variation in the quantity of air mentioned would depend upon the quantity and t-omlition ol' the rooting' air in the combustion eltamlier at the time a fresh eharge isflalteu in and the condition of the cylinder walls ot the engine.

lt dn-'u'ed an extended part: 42 may be ar- .ranaed at the roolin'er lhiid inlet of the enl y'ine rvtinder .-io that the cooling lluid is deli;ere l at a point v ubstantially remote from the exhaust port. or if desired the inlet may be arranged at Some other point in the'eyliin-ler.

lhe loim ot engine shown in Fig. 2 is lnll'tantiall),V similar to that Shown in Fig'. l with the exeeption that the engine ia pro- \ided with a plurality of cylinders and eooperating parte` and that the cooling cylinshown a plurality der piston is arranged to move in unison with the two engine pistons. With this arrangement one cylinder is preferably arran ed to have the charge ignited at one stro e and the other at the alternating stroke, the`cooling fluid being forced first into one cylinder and then into the other at the times the respective cylinders are eX- hausting as heretofore described. It is ob- Vious that there may be any number of engine cylinders or cooling fluid cylinders or receptacles or that the cooling fluid may be forced into the cylinders by any equivalent arrangement than that shown and described.

Any suitable means or arrangement may be employed to control the quantity of cooling fluid forced into the engin cylinder. A very simple arrangement is sown in Figs. 2, 3 and 4 in which the cooling fluid cylinder or receptacle is provided with a plurality of openings 35 therein which are normally covered by a plate 36 pivotally secured to the cylinder as at 37. When it is desired to reduce the quantity of cooling` fluid forced into the engine cylinder, the blade 36 is moved uncovering one or more of the openings 35 as shown in Figs. 3 and 4 so that a portion cf the fluid escapes. As of holes 38 are tapped in the cylinder 19 and a thumb-screw 39 provided to lock the plate 3G in any desired posit-ion.' Any equivalent means or arrangement may be employed to control the quan-- tity of cooling fluid forced into the engine cylinder or any suitable arrangement provided to lock plate 36 in the desired position.

. Having thus described my invention it is obvious that various immaterial modifications may be made in the form, arrangement or combination of Aparts herein shown and described Without departing from the Aipirit of my invention, hence I do not wish to be understood as limiting myself to the exact construction or arrangement shown.

What I claim as new and desire to secure by Letters Patent is 1. An internal combustion engine of the kind described, in combination with means for introducing a cooling medium into the cylinder for internally cooling the cylinder Walls, and a tubular defiector of less diameter than the cylinder extending longitudinally within the cylinder and secured to the cylinder head whereby to separate the cooling medium rom the inlet and exhaust of the cylinder.

2. In a device of the kind described, and in combination, an internal combustion engine provided with a power piston cylinder l a combustible inlet and exhaust outlet in the wall of said cylinder, valves for said inlet and outlet,said cylinder also having` an inlet for a cooling fiuid, and means for delivering a cooling luid directly into saidcylinder l through said last mentioned inlet and at a point removed from the exhaust outlet substantially simultaneously with the opening of the engine exhaust valve, said means including a conduit of substantially less diameter than the cylinder, secured to the cyling d er head and extending longitudinally within the cylinder.

3. In a device of the kind described, and in combination, an internal combustion engine provided with a power piston cylinder, a combustible inlet and exhaust outlet in the wall of said cylinder, valves for said inlet and outlet, said cylinder also let for a cooling fluid.` and means for delivering a cooling fluid directly into said cylinder through said last mentioned inlet and at a point removed from the exhaust outlet substantially simultaneously With-,the opening of the engine exhaust valvef'said means including a detiector secured to the end wall of the cylinder adjacent the cooling fluid inlet and extending substantially parallel' with the side wall of the cylinder.

In testimony whereof, I have hereunto signed my name in the presence of two subscribing witnesses.

WALTER C. WEST AWAY. Witnesses ARTHUR R. HALEY, Louis F. MEEHAN.

having an in-

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