US979907A - Carbureter. - Google Patents

Description

E. 1?. WHITE.

GARBURETER.

fiPPLIOATIOR mum MAY 19. 1999.

979,907 Patented Dec.27,1910.

INVENTOR 'EzEKmL PYWHI TE By M A C. 5. JAM

ATTORNEYS UNITED STATES PATENT OFFICE.

EzEKr r. EIELJ) WHITE, ATLANTA, GEORGIA.

CARBURETER.

To allwhom it may concern:

Be it known that I, EZEKIAL F. WHITE, a citizen of the United States, and a resident of Atlanta, in the county of Fulton and State of Georgia, have made certain new anduseful Improvements in Carbureters, of

. whichthe following is a specification.

My invention is an improvement in carbureters, and consists in certain novel constructions, and combinations of parts here inafter described and claimed.

' The object of theinvention is to provide a carbureter for positively feeding the liquid fuel, in a proper mixture, and which will Vary the richness of the mixture inversely with relation to the speed, and without the use of small valves.

The drawing shows a longitudinal section of the improvement.

The present embodiment of the invention comprises a housing 1, which is provided with a plurality of ports, namely, a main air inlet 2, an auxiliary air inlet 3, an outlet 4 for the mixture,and an outlet or overflow 5 for the gasolene, a receptacle 6, being provided within the housing at one side thereof for receiving the 'gasolene.

The receptacle for the gasolene is separated front the. body of the housing by a partition wall 7 which extends nearly to the top of the housing, and the upper edge of the partition wall is rabbeted as at 8.

r The mixture outlet 4 is separated from the main aim inlet 2, by a partition wall 9, and the inlet 2 is separated from the body of the housing by a partition wall 10, and the free edges of the said partition walls engage annular flanges 11 and.12 ona bushing 13, the

flange 12 resting on the rabbeted edge 8 of the partition wall 7 while the flange 11 en gages the said wall. The upper end of the bushing'is closed as at 15, and the side wall thereof is provided with a pluralltyof annular interrupted slots 2021 and 22, and a substantially cylindrical valve 14 is journaled in the bushing, and is provided with a plurality of annular interrupted slots 20, 21, and 22, which are ada ted to register more or less with the slots 0 the bushing, in

accordance with the angular position of the valvewith respect to the bushing. The slots when in register place the interior of the valve in communication with the ports 3, 4 and 2 respectively, and the position of the valve is varied bya governor mechanism,

means of brings theslots of the bushing V Specification of Letters Patent. Patented Dec, 27, 1910, I Application filed May 19, 1909. Serial No. 496,996.

by mechanism to be presevident that by moving the lever the valve will be rotated, thus bringing the slots of the valve and the bushing 14 more or less in register. The valve is also movable longitudinally with respect to the bushing, against the resistance of a spring 26, by go ernor, consisting of a pair of balls 27 each of which is connected with one arm of an elbow lever 28, pivoted between a pair of ears 29 on a sleeve 30, which is rovided with a reduced portion 31, receive; in

a hub 32 in the upper end of the housing.

The other arm of each elbow lever engages a recess 33, ina collar 34, pinned to a shaft 35 by a pi1r36, the shaft'being journaled in the sleeve, and the lower end thereof being received iir'a hub 37, on a spider 38 within the valve. The lower face of the spider 38 is provided with a boss 39 which engages within one end of the coil-spring 26 before mentioned, the lower end thereof being engaged by the end of a threaded rod 40, which is re ceived within the threaded hub. 41 'of a hand wheel 42 jou'rnaied in the lower end of the bushing i It will be evident from the description, that when the balls are rotated above a preso 25, ournaled determined speed, they will move outward by centrifugal force, thus depressing the roll which in turn depresses the valve, and and valve more or less out of register.

The point at which depression of the valve will commence may be varied by increasing or decreasing the tension .of the spring. This may be done by turning the hand wheel 42. The rod 40 is guided in its movement by a disk 43 secured thereto and moving within the bushing 25, the edges ol the (llSh .heing slotted to receive the arms 24. The governorballs are rotated by means ota bevel gear wheel 44, secured to the eeve 31, and engaging a'bevel gear45, se- J'I'Ied to-a-studshaft l6, by means of a key. the st'udfshaft' being joui'na-led ina hub 48, in the sideof-the' housing between the Sports 3 and T-l1e,oi'1ter end ofthe stud. I shaft has keyed'thereto a pulley 49', which 'may ,be' connected to the engine by a belt (not-shown.) I The bevel gear l5, 'aswill be evident from- I anfinspection ofthe drawings rotates partly in the receptacl'e'lti for gasolene, and between its hub .50 and the gear-teeth, it is provided with aiplurality of'transverse openings 51, 1 within each of. whiclrijsi arranged a pair of spaced gauze -partiti'ons-52.r-f .I I i The auXil-ia'ry air inlet-3 is arrangedexactl'y opposite the line of movement of the openings, and the gasole'ne is maintained at a fixed level oni-the.recepta'cle -by means of 2 the overflow pipe 5,1whichfpermits'the sur- I 1 plus liquid to pass out Anannularc rtain 53 of gauze encircles "the bushing adjacenttothe slots and 20 II as curtain being securedto'the under face of the' l'JeveM'gea'rwheel and; {the lower edge of the curtain extends, below the slots sets close to the outer wall of the bush 1ng..f; s a

Theeoperatio'n of the deviceis as follows:

Asthe gear wheel 45 rotates itwdipsin'to the i-igasolene, and a .poition ofthe same is carried upon the gauze'p'artitions of the open- I I I I I I I 111git'longitudinally, a curtain encircling ings; As the partitions pass the inlet-lithe. I current of air' therethrou'gh strikes" the artherefrom toward t e interiorl'otthe valve. .Tlie air ladeniwith"gasoleneistrilres the cur- -tainf 53', and since' the said-curtain is re- ,v'olving',al'l surplus-gasolene is thrown oil, as thus effectually preventing the entrance of any --liqui d' into the valve; The -mixture. hvh'icli enters I entrance" into the valve it meets the current ofairentering through the-main port2, and hgg'mixture is properly diluted passing to. theexplosion chamber through to the port 4. The current of. air entering tlu ough the -portj3'is preferably heated','a I the-curtain 53 forms an effective guard to prevent the entrance of water or other foreign substances *to. the valve. Since the-curtain is always 5 damp with the gasolene-the water Wlll not here but is immediately thrown'otfi 1 will vbe 'understood, that the proportion the mixture, is regulated by the lever 19 'm'flI'Sl? instance, in accordancewith the titions and" carry aiIporti'on ofthe gaso ene the valve is pure, and-on itslions to be niet,and. that the governor is an, auxiliary regulator for varying the proportion and the quantity in accordance 'W'ith conditions incident to the running of theengine, such'as', for instance, an in-' crease or decrease inspeed.

. It will be evident that an increase ofspeed 'vvill decrease the quantity ofmixture admitted, while at the same t1methe'proportion of gasolenein the .mixture is de creased. The richness. of the mixture is thus varied inverselywith respect to the 'speed.-: This is'done by the curtain 53,which' will throw Off more gasolene, the faster it revolves. 'Asthe speed decreases from the above causes, the curtain throws otf'less I gasolene and the mixture is enriched, while at the sameftime the amount of mixtureadmitted is increased'.'

It will'be evident from a con' side ration of.

the drawing and description that all small valves are dispensed with,-- a single large g valve controlling the device, thus eliminating a fruitful sourceof trouble.

I claim-% i 1. In a carbur'eter, a bushing provided with annular interru ted slots forming ports "for the purpose set orth, a valve rotatable therein and having similar slots for registering therewith, said valve being longitudi-' n ally movable, manually operated means for frotatlng the valve, a governor, a connection between the governor and the valve for movthe bushingin front of theinlet port, means for revolving the curtain around the bush- 'ing, a receptacle for gasolene, a bevel'gear for driving the governor and dipping into the receptacle, said gea-r/ rotating 1n front of the inletIpcrt, and a connection between v -v.t-he'gear and the-curtain for operating the same. i v v I In a c'ar'bureter, a housing having an air inlet, avalve rotatable therein and providedwith an inlet. for air and the liquid f uel, a receptaclejor-the liquid fuel, a gear wheel rotating von' a horizontal axis and adapted to be driven by the engine and dipping,'into the receptacle, the portion of the ear above the axis passmgjbetwe'en the air

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