US1126581A - Priming apparatus for internal-combustion engines. - Google Patents

Description

0,1,. S'HOGKLEY & H. B. STRALEY. PRIMING APPARATUS FUR INTERNAL (JGMBUSTION ENGINES.

APPLICATION TILED FEB. 28,

I Patented Jan. 26, 3915 UNITED STATES PATENT OFFICE.

CLEMENT L. SHOCKLEY AND HAnvInA E. STRALEY, DIE-SPRINGFIELD, OHIO.

rnmnvo Arrnnnrus roRjIN'rnRNAn-coMB srroN mvernnsQv Specification of Letters l atent.

' Patented Jan. 26, 1915.

Application filed February 28 1914. I Serial No. 821,709.

To all whom it may concern:

- Be it known that 'we, CLEMENT L. SHOGK- LEY and HARVILA E. STRALnv,-citizens of the United States, residing at Springfield, in the county of Clarkand State of Ohio, have invented new and useful Improvements in Priming Apparatus for Internal-Combustion- Engines, of which the following is a specification.'- I This invention relates to prlming apparatus for internal combustion engines, the object in view being to produce simple pr1m ingapparatus which is applicable to any multiple cylinder internalcombustion en gine, whereby liquid fuel such as 'gasolene or other hydrocarbon may be forced equally to the combustion chambers. of-all the cylinders for the purpose of facilitating and insuring the prompt starting of the engine upon the turningover of the crank shaft.

With the above and other objects in view,- the invention consists in the novel construe tion, combination and arrangement of parts, as will hereinafter be; more fully described, illustrated and claimed. i

In the accompanying drawings: Figure 1 is a-side elevation of a multiple cylinder internal combustion engine which is conventionally illustrated, showing the present inthrough which a reciprocatory piston rod 5 vention applied thereto. Fig. 2 is a longitudinal section through the pump-barrel of the cylinder on.an enlarged scale. Flg.

3 is a similar view-of the fuel intake manifold of the pump cylinder or barrel. Fig. 4 is a cross section through the pump barrel and manifold in'line with the check valves and one of the priming line pipes. Fig. 5 is a detail view of one of the intermediate abutments of the pump cylinder. r 1

The apparatus contemplated in this invention comprises essentlally a pump barrel or cylinder 1, one end of which permanently closed by a head 2 shown 1n the form of, a solid plug screwed therein while in the oppos te end of the barrel 1 is screwed a plug 3 having a central opening 4 therein ing formed with circular recesses 7 in their inner adjacent faces, into which recesses is inserted like material, the packing washer 8 and the members 6 of the abutment formed with central openings 9 an'dlO to receive the piston rod 5 and permit the same to'work back and forth through the same. In each of the pump chambers 11 formed by and between the abutments A is a pump piston 12, all of said pistons being mounted on the same rod 5 so that they are equally and simultaneously reciprocated back and forth thereby. Extending along one side of the barrel or cylinder 1 is a fuel intake'manifold 13 which is practically coextensive in length with the pump barrel and which is provided with a number of. outlet ports 14, there being one of such ports for gine. Each of said a check valve 15 shown in the form of a ball resting in a valve chamber 16 so that each cylinder of the enpass to the cylinders -'-by the means hereinafter; described.. One end of the manifold 13 is left open to provide an inlet orifice 17 to which is connected one end of a fuel supply pipe 18 which, in the pre ferred embodiment of the invention extends to and connects at 19 to the fuel feed pipe 20 which 4 leads from the supply tank (not shown) to the carburetor designated at 21. The inlet orifioe17 is controlled by a cut-01f valve 22 which is movable toward and away from a seat 23 adjacent to said orifice, the

valve 22 being operated by means of a man-' ually controlled stem 24 which leads through anopening in the opposite end of the manifold 13 said stem 24 being preferably made of suflicient length to extend rear.-

wardly through the dash 2 5 of the vehicle where it is provided with an operating handle 26;. The piston rod 5likewise extends T rearwardlv through the dash 25 and is-pro-- videdwith an operating handle 27. The manifold 13is also provided with a series of discharge nozzles 28 corresponding to the number of cylinders of the engine and each containing a back pressure check valve 29 which is preferably sprmg loaded as shown at 30. ,From the nozzle 28, a priming line pipe 31 extends to one ofthe cylinders of the engine which is conventionally shown at s B. Preferably, each pipe 31 is connected to one, ofthe primin such priming cup eing illustrated. in Fig.

a packing washer 8 of leather or' ports 14 is controlled by it will seat against back. pressure but allow the fuel to 3 cups 32 of the engine;

1 asheing formed in ca with the spark plug; Communication between .the' pump barrel or cylinder land the manifold 13 is formed by ports 33' arranged at suitable intervals and points. vented frombecom'in displaced by means of stops 34 shown in t e form of pins which overlie said valves.

The priming apparatus hereinabove described is designed withoutfthe usual electric or other starter. The apparatus of this invention insures the supply of an equal quantity of fuel to each It has been found a multiple cylinder cylinder of, the engine, that a single'pump for engine will not introduce an equal amount of fuel-into eachcylinder for the reason that there is more compression in one cylinder than in another'and the fuel will follow the" line" of least resistance thereby overp'riming one or morecylinders and underpriming others. 7 amount offueltoeach cylinder, the-fuel is atomized as it passes through the inlet cups and formed into a vapor which fills the combustion chamber of each cylinder with a gaseous mixture; furthermore, the force of the" fuel as it enters the combustion chamberiadjacent to the spark terminals,'removes soot and carbon from said terminals and thereby assists in preventing short circuit ing and also insures an efiicient spark. When-"used in connection with electric or other starters, the engine will pick up on the first turn or partial turn of the crankshaft thuseifecting a material saving in electric current. Furthermore, thepriming apparatus will not interfere in the slightest with the motor taking up its usual supply of" gaseous mixture from the carbureter.

. The pump and the cut-off valve are operable by the driver without leaving his seat;

- All-he has todo is-to open the cut-off valve,

give several strokes to the pump and then close the cut-off valve.- Then bycranking v tures in presence of'two witnesses.

the engine or operating the starter, the engine will take up its operation immedi ately.

What we claim is:-' v

l. Priming apparatus for multiple cylinder internal combustion engines comprisinto a plurality The Valves 14 are Pr v piston rod extending through said pump to be'used either with or,

By transmitting the proper check valves controlling said "and one of said heads,

ing a single pump barrel, heads at opposite ends of said barrel, an abutment located between saidheads and dividing said barrel of pump chambers, a single chambers and intersecting said abutment and one of said heads, a piston in each pump chamber on said piston rod, a fuel intake manifold communicating with said pump chambers, a fuel supply for said manifold, check valves between said manifold and pump barrel, and priming line pipes leading from said manifold to the cylinders.

2. Priming apparatus for multiple cylinder internal combustion engines comprising a single ends of said barrel, an abutment located between said heads and dividing said barrel into. a plurality of pump chambers, a single piston rod extending through said pump chambers and intersecting said abutment and one 'ofsaid heads, a piston in each pump chamber on said piston rod, 'a fuel intake manifold communicating with said pump chambers, a fuel supply for said manifold, check valves between said manifold and pump barrel, priming line pipes leading from said manifold to the cylinders, and priming line pipes.

3. Priming apparatus for multiple cylinder internal combustion engines comprising a single pump barreL-heads at opposite ends of'said barrel, an abutment located be tween said heads and dividing said barrel into a plurality of pump chambers, a single piston rod extending through said pump chambers and intersecting said abutment a piston in each pump chamber on' said piston rod, a fuel intake manifold communicating with said pump chambers, a fuel supply for said manifold, and a cut-off valve at the receiving orifice of said manifold.

In testimony whereofwe aihx our signa- CLEMENT L. SHOCKLEY. HARVILA E. STRALEY, Witnesses:

B. M. STRALEY,

Tnos. J. McCoRMIcK.

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