US1167955A - Internal-combustion engine. - Google Patents

Description

AL COMBUSHON ENGHI'E:

MAY 2a, 19:2. Hmmm Au@` 1915,

INEE? APPUCATIGM mi!) I. KEISTEH. INTERNAL QMBUSTION EGGINE. APPLmAnoH mgp my 28. 19:2. afwwin Aue, 6, 1915.

www@ Jn. 11, 1915;

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ring of connect l this ring to the casing 2, as Fig. 1 shows.

The internal'diameter of the rings 12 is slightly greater than the external diameter' of each liange 9, leaving an annular space between the overlapping portions of these two parts. The rings 12 -are provided 'with packing rings 15, and in the space between each -ring 12A and each yfiange 9 reciprocate the ends of a pair of valve sleeves ,shown at 16 and 17, the latter telescoping within the former. The piston Gris of such diameter that it will fit readily within thevalve sleeve 17, and each projection 8- forms with these valve sleeves 16 and 17 and the piston 6 which reciprocates within the latter, an explosion chamber in which the fuel is ignited to impart power tothe piston 6 when the engineis used.

Between the valve sleeve 16 andthe walls of the casing 2 is a space 18 which communi cates with a 'similar space 19 in the head 7. This space 19 is extended down between the inner wall of the head- 8 and the flange 9 and serves as -a cooling chamber through which oil is circulated. Near the upper ends of .the sleeves 16 andV 17 are formed ports which coperate with theV inlet and exhaust ports 13 and 14. The outer sleeve 16 has ports 19, being located on opposite sides of the sleeve, but out of transverse alinement.

with each other. The inner sleeve has ports v20 also on opposite sides, but in transverse alinement with 4each other; and when the ports 19 and 20 on one side register with the port in the wall of the casing 2 onthat side,

-the operation ofvadmission or exhaust can take place. .l The space 18 is closed at the bottom by means of a web which separates the interior ofeach casing 2 from the interior of the crank case 1. The web foreach of the casings 2 has apertures through the same'large enough'toreceive the outer sleeve 16, and lthese aperturesare surrounded by upwardextending flanges 21 in which are formed spaces to receive packing rings 22 which engage the outer surface of the sleeve 16-and make a tight fit. Thus, any oil passing into the space 18, is prevented from dripping i'nto the crank chamber, and the oil not' only serves to cool the engine but it also serves to vlubrica'te the sleeves 16 and 17, since it comes in contact with-the outer face ofithe sleeve 16 and the upper ends of both sleeves, so that when these sleeves are in motion the -oil is radually distributed over their entire surface, anda-l1' of the friction of the sleeves upon eachother and upon the flanges 9, the rings 12 and 21p and the piston in thepinner sleeve, is practically eliminated. l

As will be observed, the web fromwhich the flan es 21 project into the cylinder is ove the lower end of each casing 2.

v and vof, operation 'beingthe This is because the lubricating and cooling chamber does not have to extend any farther down than the position occupiedby the inner serve as means for connecting tothe valve pair of operating rods '24 and 25,'

sleevesa these operating rods beingftwo for each power chamber, and the former being connected to the inner sleeve and the latter to the outer one. The ribs formed by the sides of the grooves 23 support lugs, as shown in Fig. 1 which lugs are of course perforated to receive pins passing through the upper ends of the rods 24'and 325, so as to connect these rods in a pivotal way tothe sleeves. At the lower end'of the rod 24 is pivotally-connected a slotted link 2 7, and at the lower end of the rod 25 is pivotally connected a similar slotted link 28. These slotted, link`s are mounted to slide and rock upon a longitudinal bar 29 mounted Ain the crank casing 1, parallel ,with the crank shaft; and the links 27 and 28 are connected by means of rigid rods 30 and'31, respectively, to cranks on an operating shaft 32. This operating shaft 32 is also parallel with the crank shaft 3 and carried in bearlngs in the crank casing y l 1, and is operated from the crank shaft at half the speed thereof by means of a sprocketv .the four-cycle type; landfit will be observed that as the crank shaft 3 rotates it causes the shaft 32 to rotate in the same direction, owingto the vchain and sprocket connection mentioned. As the shaft 32 rotates it operates the rods 30 and' 31, and-'through these rods the links 27 and 28 are moved to actuate the rods 24 and 25 -and rreciprocate the sleeves 16 and 17' to open the ports 13 and ".14 to admitand discharge gas, and close',

these ports during 'the operations o f compressing and igniting the fuel in the4 usual Way. Y l

Reference is now had to Fig. 3, which shows in outline the positions of the various points in the complete one cylinder, the mode same for the other cylinders, Ias will bereadily underst Nl.

parts at a number of cycle of operation of rods nsf, sho

of Shm the be Seen that in rag is no The wm e SMQ he;

the cranks by means of Iso' `and causing the link'28 to move its right endaway from 'the bar 29, and the link 27 to move its left end against the" bar 29. The

sleeve 17 as a result has hardly moved at- Vside out of registry with the adjacent port 20 on the inner sleeve, Vthe Vother port 20 remaining practically in alineinent with the portr 13: This V port '13 is now opened, through the adjacent yport 19 on the righthand side ofthe sleeve 16 coming partly into registry therewith, and the supply of mixopen position of the ,inlet is shown in dia.- gram H, wherein the crank on the shaft 32 movesl the rod 30 and the link 27 without causing perceptible relative movement of 'the inner sleeve 17 while the rod 31 is moved to cairy the link 28- still-'farther to the right, lowering this linkA and pullingr dowi'ron the .rod 24 and down on the sleeve 16, until the ports 19r and 20 adjacentthe inlet port 13 open this poi-t fully.

The above motions are repeated for every cycle inthe operation of the various c vliiiders of the engine, and these" motions are of course the same t'or each cylinder as the engine continues running.

Fig. "el'illlustrates the relative positions ot' which the rods 30 and 31 connect the links 2T and 28 ot' each Cylinder' to the. operating shai't 32. The

cranks for each cylinder are arranged N apart. The position otthe cranks toi' the first cylinder are indicated by ,the numerals 1f and l", the former leading. Those for the cranks of the secondcylinder are indicated by the. numerals 2 and 2b; those. for the cranks of the third'cylinder by 3 and 3", and those for the cranks ot' the t'ourtli cylinder hyd and 4*. It will be observed that the crank `positions for each cylinder are about 70 apart, the advance crank for c vlinder l leading-the advance crank for the third cylinder by and the advance crank for the fourth cylinder by 180, and the advance crank for tliesecond cylinder' by 270 and by comparing the crank positions t'or the first cylinder on Fig. -t with diagi'aiii E on Fig. 3, it will be seen that the first cylinder is exhaustingwhile the cranks for the third cylinder occupy the position shown in diagram C, for ignition. li`urther,

the crank positions for the fourth cylinder, whose piston is compressing at this time,

are much the same as the positions illustrated in diagram A, and the crank positions `for the second cylinder, which is sucking in l a charge, are substantially the same as those tions of the pistons in the. four cylinders are lshown 1n Fig. 1` wherein the first piston is 'claim as new and desire to secure by Leti ters Patent in position to start the exhaust; the second piston about to start su'ction; theA third pis- "ton about to beginits lower stroke, and the fourth piston about to start compressing.

From the above description it will be apparent that Iv seciireanengine which is perfectly noiseless in operation and the parts n are efficiently cooled, and the oil in the cooling chamber not only carries olf the heat to the extent required, but serves for the purpose of'eiiicieiitlyflubricating all .the parts. I wishv to have it understood further that I vdo notcare'to be limited to the 'exact de` -tails` of construction shown and described in thev foregoing, rbut reserve to` myself fthe right-to make such changes in the shape, size and arrangement of the parts as fairly fall. within the scope and spirit ofliny invention. Having thus described my invention, l

1. In an internal/combustion engine,'the combination ot' a crank case, a casing mounted thereon, ahead for said casing having a projection extending into the casing and proviiled'with .a return ange, a. valve sleeve inside of,said casing and reciprocating` at the outer side of` the said flange of the head, and a piston recipfrocating in said valve sleeve, the said valve sleeve forming with the piston and the projection .of the head a power chamber, the valve l sleeve being spaced from the outer wall of the casing and the interior of the casing head communicating with said space Ato permit of the circu-l lation of a cooling agent.

2. In an internal combustion engine, the combination of a Casing, ay ring carried inside .of the same, said ring havingl inlet and outlet poi-ts therein and opening through the wall ot the casing, a valve sleeve having telescoping engagement with said ring and'havreciprocating in said sleeve. and a head car-v ried b vvthe casing and vhaving a projection project-ion being of less diameter than the ring and surrounded at its inner end by the latter, the pi'ojection-forining with the pis-` tou and valve sleeve a power chamber.

Byln an internal combustion engine, the combination of'a Casing having a head, said head having a projection with a returned fiange thereon. a ring supported by said casing andv surrounding the lower part ot said flange but separated therefrom by means of an annular space, said rinohaving ports therein extending therethrough and through the wall of the casing, a valve sleeve located within said casing and reciprocating through tlie`space between said ring and `fiange, and a piston reciprocating in the valve sleeve forming therewith and with the head a power chamber.

.which extends into the -valve sleeve, saidv said valve, a. working piston moving in said said intake' and exhaust piston received by the inner ot' said sleeves,`

y and having a returned flange, the head besaid Iiange, a pair of telescoping cylin` drical sleeves received in said-casing, said sleeves havmgports adapted to register with ports, a working said head, said sleeves and said piston forming apower chamber, and means driven by said piston for reciprocating said sleeves, said sleeves being separated from said casing toforni 4a space for a lubricating and cooling agent, the'said space communicating with the space in the head.

1-l. Iii an internal combustion engine, the combination of a casing having intake and exhaust ports, ahead having av projection extending into the casing, ay cylindrical sleeve valve inside of said casing having ports to register with said intake and exf lia'ust ports, the said sleeve valve receiving theA projection of the said head, said sleeve valve being separated frfm-the wall of the -asing to form a space to receive a lubricating and cooling agent, a web for closing the bottom of said space and having an opening l' for the passage of tliesleeve valve and an upwardlj7 extending iiange surrounding said c opening and engaging the outer surface of .sleeve valve, and means driven by said piston for reciprocating said sleeve valve, l A

T15. Inv an internal combustion engine. the combination of a casing and a lpair Aof reciprocating sleeve valves having intake and exhaust ports, said valves telescoping one within the other and being separated from the wall of said casing to form a space for receiving a lubricating and cooling agent, a head having a projection extending into the` inner sleeve valve and provided with packing rings engaging the -inner surface of said inner sleeve valve, the said head having a space communicating with the said space between the wall of the casing and the sleeve valves, said casing having a web opposite said head for closing the coii'espending end of the space for the cooling and lubricating agent, 'the said web having j niezen an opening for-the passage of the sleeve valves, and a flange surrounding said opening and provided with packing rings engaging the outer surface of the outersleeveof said casing and saidring, said casing having a head coaxial,\vi.th said ring and projecting into the same but of less diam'- eter, said casing also having, an opening opposite' said head of the same diameter as thering, anda sleeve valve having la port to register with the passage passing through said opening and said ring vand lreceived by said ring, said ring having packing means adjacent the ports, and said head and said casing adjacent said opening likewise having packing rings to engage the sleeve valve, said valve being separated from the wall of the casing to form a space for a lubricating and cooling agent.

17. In an internal combustion engine the combination -of a crank case, a casing mounted thereon having an intei'nal ring at its upper end provided with ports extending therethrough Aand through lthe wall of the casing, said ring formed integral with the casing and forming a guide for the inner end of a reciprocating tubular valve -liaving ports, said ring surrounding the valve and .so fitted fthereto that the ports of the valve have lapping contact with said ring and the ports ofthe cylinder, the latter ports registering respectively with the corresponding tubular valve ports during suctionv and exhaust strokes of the piston, and a head for said casing having a, projection extending into the casing and spacedfrom thev said `ring forthe passage lof the said tubular valve. v

Intestimonywhereof I have signed my name to this specification in the presence of two subscribing witnesses." Y. Y

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