US1226929A - Carbureter. - Google Patents

Description

J. VAN DEN BOS.

CRBURETER.

APPLICATION msn umso. 1915.

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CARBURETER.

APBucATmu FILED 95u30. m5.

1,226,929. f Patented my 22, 1519.

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CARBURETER.

APPLICATION msu DECB 30| 1.915.

Patented. May 22,1917. y

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UNUSED STATES PATEN FFICE.

JOHN VAN DEN BOS, OF GRAND RAPIDS, MICHIGAN.

CARBURETEB'.

To ali wwm t may concern:

Be it known that l, JOHN VAN DEN Bos, a citizen of the United States, residing at Grand Rapids, in the county of Kent and State of Michigan, have invented certain new and useiul improvements in Carbureters; and l do declare the following to be a full, clear. and exact description of the in vention such as will enable others skilled in the art to which it appertainsl to make and use the same.

My invention relates to improvements in carbureters and more particularly to those designed for utilizing either gasolene or kerosene, the object of the invention being to improve and simplify the general construction of carbureters of this class in a number of ways.

W'ith this general object in view, the invention resides in certain novel features of construction, and in unique combinations of parts to be hereinafter fully described and claimed, the descriptive matter being supplemented by the accompanying drawings which constitute a part of this application and in which,

Figure l is a side elevation of a carbureter constructed in accordance with the invention;

llig. 2 is a central vertical longitudinal section thereof;

Fig. 3 is a horizontal sectional view taken approximately on the plane indicated by the line 3--3 of Fig. l; i

Fig. 4: is a central. vertical transverse section `as viewed on the line L -4l of Fig. l;

Fig. 5- is a fragmentary top plan with )arts in section' and Fig. 6 is a horizontal sectional view taken on the planes of the irregular line 6-6 of .r ig.

ln specifically describing the construction shown in the drawings above briefly described, similar reference characters will be placed. on corresponding parts throughout the several views and reference will be herein made to the numerous elements by their respective indicess To this end, the numeral l indicates an upright one-piece tube having a laterally extending ange 2 at its upper end adapted to be secured to the intake manifold of an internal combustion engine, the lower end of said tube being disposed in a hori aontal plane and provided with a cup-shapedlower end of the tube 19 is a packing Specication of Letters Patent.

Patented May 22, 1917.

Application led December 30, 3.915. Serial No. 69,436.

closure 3 whose upper edge is formed withl an upstanding annular flange si spaced inwardly from said edge and received snugly within the lower extremity of the tube l. Diametrically opposite points on the exterior of the closure 3 are provided with laterally extending ears l/ which underlie appropriate bosses 5 formed integrally with the lower end of the tube, screws 6 being .passed through said ears and intothe bosses as shown clearly in Fig. 2.

Formed integrally lwith and projecting horizontally from the curved wall of the closure 3, is a hollow air intake neck 7, said neck having its outer end curved upwardly as disclosed at S in Fig. i and flared outwardly to form a bell mouth 9 terminating in a horizontal plane, the upper edge of said mouth being provided with a plurality of radiating horizontal arms 10 formed integrally therewith at their outer ends and similarly oined to a central enlargement ll at their inner ends. An appropriate valve plate l2 overlies the arms l() and is secured in position by a set screw 13 passed loosely through its center and threaded into the enlargement l1. Thus, when the screw is loosened, the plate l2 may be turnedV to properly regulate the amount of air entering the tube .l through the neck 7, and when this ad'ustment has been made, tightening of the screw inquestionwill prevent further movement of the valve plate.

The interior diameter of the tube l is contracted intermediate its ends as disclosed at 14 for the anchorage of a Venturi tube 15 through which air drawn from the neck 7 through the tube l. must pass, any preferred type of fuel spray nozzle 16 being disposed centrally in the contracted portion of said Venturi tube. The nozzle 16 is carried by the upper end of an upright tubular nipple 17 which rises from and is formed integrally withthe center of a horizontal fuel tube 18, the latter with the tube l and extending diametrically across the interior thereof in a plane below the Venturi tube l5.

Formed integrally with the center of the tube 1S and depending therefrom is an upright valve tube 19 whose lower end is passed being formed integrally Threaded in the gland,

bottom of the closure 3.

l tl

" held in adjusted position.

p ro] ects.

of the tube ll) and clamps the plate be- .valve but as an effective 2li through which an upright needle Tvalve 22 is threaded, said valve being received in the tube i9 and having a pointed upper end designed for leoperatimi with the bore of the nipple` l? in order that the passage of fuel from the tube 18 into said nipple may be accurately regulated; l

The lower end of the valve is provided with a periplierally notched disk Q3 whereby it may be rotated at will, the notches of said disk coperatingwith an upright spring detent 24e whereby the valve will be yieldably The upper end of the detent 2li is provided with a horizon tal attaching plate 25 which contacts with the bottom of the closure 3, being formed with a central opening through which the externally tireaded lower end of the tube l) A nut 26 is threaded on said end tween itself and the bottom From the immediately preceding description, it will be observed that the tube lf) serves not only as a casing for the needle anchor for the detent this two-fold function of the tube in question being considered a rather important feature of the ii'ivention. Furthermore, since the nut 26 is threaded tightly on the tube 19 beneath the closure El, it may well be used in some cases as the sole means of securing said closure to the lower end of the tube 1. However, in order to prevent lthe closure in question from having anyV tendency whatever to turn, the screws G will preferably be employed.

Projecting laterally from and formed integrally with the upper end portion of the tube l, is a hollow supplen'iental air inlet neck 27, said neck being equippi'id with any preferred type of suction opened spring closed valve It is desirable. however,

that the neck .2T be disposed directly above the neck T, thus leaving the opposite side of the tube l free of projections.

.Spaeed in opposite directions froni the tube l, preferably in directions extending at right angles to the necks 't' and 27, is a gasolene reservoir 2S) and a kerosene reservoir E29, the two being provided respectively with fuel inlets 30 and 30 controlled autoiuatically by iloat actuated valvesI 3l and construction and operation of these valves being too well known to herein require explanation. The upper lends of the reservoirsl 29 andV 29 are spaced from the tube by integral necks 32 and 32, while the lower ends of said reservoirs are in turn connected with the tube l by integral tubular necks 33 and 33a whose hores coincide with the bore of the tube 18 and lead to said' tube from the two reservoirs.

,./llug valves 34 and 34a are provided in the bores of the necks and 33, said valves being eipiipped on one end with parallel operating arms 3f and connected by a link 3 6, whereby the two valves may be moved in unison by shifting of said link. The valves in question are so related as to cause one to be closed when the other is opened, thus allowing either gasolenc or kerosene to be used when desired.

rl`he operating armsl and 35" are preferably formed with enlargements through which transverse stop screws '37 and 37a are passed, said screws being adapted for contact with appropriate stops SS'and 3Sn cast integrally with and extending laterally from the lower ends ot' the fuel reservoirs. By this nleans, all langer of improper positioningv of the valves 34 and Bil is prevented.

F rom the foregoing,description and a careful inspection ol the accompanying illustrations, it will be observed that the improved carbureter has been embodied in a much more simple form than those hereto fore used for the consumption of two or more grades of fuel. hegardless of this eX- treme simplicity, l1oweverno advantages have been sacrificed. ln fact, the device will be more rallier than less eilicient, due to the absence of complicated parts.

In conclustion, l will state that although the drawings illustrate the preferred embodiment of my invention, numerous changes may be made within the scope of the appended claims without sacrificing the primary objects of the device.

I claim :h

l. A carbureter comprising a vertically disposed passage member to be connected at its upper end with an intake manifold, a pair of necks extei'iding horizontally in diametrically opposite directions from the lower,kv end of said passage inelnbei'and having reservoirs at their outer ends for supplying di i'erent fuels to the passage member, an air inlet neck extending horizontally from the lower cud` of the passage member at right angles to the other necks, an auxiliary air inlet neck extending horizontally from the upper end of said passage member in the same direction as the aforesaid air inlet neck, these two necks being of substantially the same length, a pair of rocking valves extending through the fuel supply necks, parallel operating arms rising from said valves, and a, horizontal operating link connecting said arms for simultaneous movement and disposed between the two air inlet necks. y

2. In a two-fuel carbureter, a vertical passage member to be connected at its upper end with an intake manifol said passage member having at its lower end a pair of horizontal fuel supply necks extending in opposite directions and fuel reservoirs on the outer ends of said necks; in combination with valves for said necks having vertically extending operating arms connected for simultaneous movement, 'stops formed ntegrally with the lower ends of Said-reser volrs inthe outward paths of said arms, and other stops carried by saidjarms and arranged to strikethose of the reservoirs to limit the movement of the valves.

. In testimony whereof I have hereunto set I JOHN VAN DEN BOSQ- VY/"ltnesses:

EARL R. STEWART, GRACE M. WELLS.

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