US1324353A

US1324353A - Double-acting motor

Info

Publication number: US1324353A
Authority: US
Publication date: 1919-12-09
Anticipated expiration: 1936-12-09

Description

Patented Dec. 9,1019.

2 SHEETS-SHEET l.

S. JENCICK DOUBLE ACTING MOTOR.

APPUCATION FILED Aus 9.1915.

LSZZLSB.

S. JENCICK.

DOUBLE ACTING MOTORv AFPLIcMloN FILED AUG 9.19m.

Patented Dec. 9,1919.A 2 SHEETS-SHEET 2 n.c mw N. www f p n 5 Wl T/VESSES:

" En sIATEs Per auch;

i STEPHEN JENCIGK, 0E MINNEAPOLIS, MINNESOTA.

DOUBLE-ACTING MOTOR.

Specification of Letters Patent.

Patented nec. a, raie.

Application led August 9,1915. Serial No. 44.555.

To all whom t may concern:

Be it known that I, STEPHEN JENCIGK, `a subject of the State of Austria, residing at the city of Minneapolis, inthe county of `Hennepin and State of Minnesota, have invented a new and useful Double-Acting Motor, of which the followingl is a specification.

My invention relates to improvements in internal combustion engines wherein the piston yof each cylinder receives animpulse"V upon each alternate downward, Aand upon each alternate upward traverse .of the cylinder thereby greatly reducing the weight of the motor and the number of parts used therein as compared with motors now in common use. A particular object of-my invention is to provide cooling 4means for the double acting piston therebyy renderingv the 'Y foregoing construction practical.

attain these objects by the mechanismy yand piston rods on *the line A A in Figll'.

YSimilar figures refer tol similarparts throughout the several views. l The lower half 1 of the crank case, and upper half 2.of the crankK case, which also serves as the base ofthe motor, carbureter 3 i.

and carbureter manifold 4, are similar"- to corresponding parts'in the other motors now: s f' in use, and therefore need not be described .in detail. .v

Cylinder 5 is jacketed bythe ordinary type ofwater jacket 6,'of which port- 7 is the outlet. ithin cylinderj. are located two distinct chambers separated by stationary cross-'head 8` to wit, an upper exploslon chamber 5a and a flowerpump chamber ti. ln vthe pump chamber is located pump piston 9, mounted upon connecting rod 11 by wrist pin 1() and connected to crankshaft` 12 in the usual manner.- p

Hollow piston 13 travels in'the upper or ex losion chamber of cylinder 5 and 1s provided 'with hollow piston' rodsl4, which are formed integrally with the piston.

Cross-head 8 is held irmly in position by sleeve 14 which is held to the cylinder 5 y Pump 20 is mounted upon shaft 19 and is `adapted to circulate the liquid cooling me- Fig. 411s a crossl l by screws 1.5, which thereby clamp the crosshead 8 between the end of sleeve 14 and the shoulder formed in cylinder 5 adjacent to the top of cross-head 8, where the diameter of the upper portion of the cylinder is reduced below that of thelower portion.

Spark plugs 16 and 17 are suitably positloned in the upper and lower ends of the combustion chamber respectively. Cam shaft 18 is driven from pump shaft 19 by lines in Fig. 1. Pump shaft 19 is driven from ,crank shaft 12 by the sprockets and chain indicated in dotted lines 1n Fig. 1.

diuml through tube 21, waterjacket 6, outlet'f? tand ldther'suitable cooling means in 'connection therewith. Exhaust 'valves 23 land 22'op'eninto-exhaust manifolds 24 and r25 respectively. '1 The valves 23 and 22 are zactuatedby

rocker arms

26 and 27 pivoted at their extremities 28 `and 29. rI"hese rocker arms engage theI valvesv andare actuatedby the cam 30, which is driven inA proper timed relation with respect to the crankshaft. y' v The exhaustvalves and their operating Y mechanism` just describedfareduplicated in structure and arrangement and serve as the inlet valves` which communicate with the intake manifold 4. They are arranged to therear of the exhaust valvesyas's'hown vin Fig. 1, and :serve toestablish communication at the proper time between the intake manifold and the comloustionV chambers. Y

v Dust cover 31 provides a suitable covering and protection for the. valve mechanism an serves to decrease the amount of noise given ofi' from the action ofthe valve mechanism. a5

Oil reservoir 32 attachedV to the bottom of the crank case is provided with means 33 for cooling the contents of the reservoir.

Force feedl lubricating punip34'is adapted to force oil under pressure through

tubes 100v

35, 36, 37 and 38 to all parts of the motor requiring'lubrication. Tube 38 has its outlet on the inside of sleeve 14 and produces a 'continuous flow of oil into the space within the sleeve. As pump piston 9 travels below 105 the outlet of tube 38 it collects oil and after it passes said outlet upon' its upward movement it forces the oil collected above the piston into one of the hollow piston rods 14 at ports 39 through said rod, piston 13, the 110 lthe sprockets and chain indicated in dotted vte i cylinder,

other rod 14 and out through port 40 from whence it drips overv the wrist pin, connecting rod and crank shaft into the base of the motor and from thence it drains to reservoir 32.

Fig.l 4 shows the construction of crosshead about the piston rods which is adapted to prevent leakage of any gas yfrom the lower combustion chamber through the cross-head. Contracting ring 41 located in an annular internal' groove of the cylinder 5, is suitably held in place and adapted to contact about, and remain in close contact with the outer surfaces of piston rods 14. Expanding ring 42 located in an annular external groove of the cross-head 8, is suitably held in place andadapted to expand against and remain in close contact withthe i surfaces of piston rods 1'4. A Spring wedges 43 are adapted to wedge between piston rods 14 and part of-crosshead 8 thereby holding the surfacev o the 14 in close contacttherewith.

Heretofore double acting motors havenot been provided with suitable'cooling means for the double acting pistons and the'piston rods which pass through one of the combus- 1 tion chambers have been inadequately cooled and very much exposed to the heat of lthe explosions in such combustion chambers. The construction employed in my atent provides a positive cooling circu ation through the double acting iston with few additional partsand wit out additional moving parts.

I claim: Y u

1. In a motor of the kind described a two combustion chambers in said cylinder'separated one from thel other by a hollow double acting piston, two hollow piston rods connected to the double acting piston and formed to correspond with and t againstthe sides oi the interior of the cylinder, andmeans for providing a circulation of the/liquid lubricating medium of the motor through said piston rods and piston. l

2. In a motor of 'the kind described a cylinder, two combustion chambers in said cylinder se arated one from the other` by a hollow dou le acting'piston, two hollow piston rods connected to the double acting piston and forin'ed to correspond with and fit against the sides of the interior of the :cylinder, a stationary cross-head means therein adapted to ermit the lon itudinal movement of sai piston rods without any leakage of adjacent thereto, and means for providing a circulation of the liquid lubricating'medium of the motor through said piston rods and iston.

3. n a motor of the kind described a gas from the combustion chamber` movement of saidpiston rods without any leakage of gas from the combustion chainber adjacent thereto, said means comprising a contracting ring carried bythe cylinder and adapted to'bear against the outer sure, face of each of said ,.pistonf rods, an exfpanding ring carried by the cross-head `and adapted to bear against the inner surface of each of said pistonfro'ds, spring wedges adapted to bearf against each of the sidesv catingjmedium'- of -the motor through said Y piston rods 'and piston.' '1 l wedges adjacent to the sides of'piston rods 4.' 11i-"a, .m am ,f' that kan' described, a

= of each of saidV piston rods, and means for `i providing a circulation of the liquid lubricylinder having a vcross-head forming in said cylinderl anv explosion chamber and pump cv amber, a'hollowpiston traversing said explosion chamber-,g a' pump piston traversing saidl ,pum chamber, vmeans forV supplying liquid lul ricatingme'diuin to the. pump chamber abovethle pump piston, and means for circulatingthe` lubricant abovethe pump piston through the hollow piston.

5. In a motor of the kind described, a

cylinder having a cross-head forming in said cylinderan explosion chamber and a pump chamber, a hollow piston traversing said explosion chamberyapump piston traversing said `ump chamber, apiston rod connecting sai pistons, lineansf.,for ,supplyingA liquid .lubricating mediumy to the' pump chamberv above the` piston,` and -means for circulating the lubricating medium above the pump piston through said piston .rod and hollow piston.

ico t 6. In a motor ofr the kind `described, a

cylinder -having a cross headforming in said cylinder an explosion chamber anda pump chamber, a hollow piston traversing l said explosion chamber, a pump piston trav- ,ersing said pump'chamber, piston rods con- .nectin said pistons' and lying ini-contact with t e wall of vsaid cylinder,means roi. supplying liquid lubricating medium to said pump chamber above the pump piston, and

`means whereby tlie' ytravers e ofy the pump piston, circulates vsaid lubricating medium `throulgh said pistonrods and hollow iston.

7. n a motor di', the kind descri ed, a cylinder having a-cross head forming in said cylinder an explosion chamber and a pump chamber, a'hollow piston traversing said explosion chamber, apump piston traversing said pump chamber, piston rods connecting sai pistons and lying in contact with the Wall of said cylinder, having openings in communication with the openingin said hollow piston and opening out above and adjacent to said pump piston, means for supplying liquid lubricating medium to said pump chamber above the pump piston, said lubricating medium being circulated through said piston rods and hollow piston, and means for cooling the Wall of said cylinder.

STEPHEN JENCICK. Witnesses:

S. S. DUDLEY, ELIZABETH C. KELLY.