Патент USA US2411204код для вставки
Nov.A 19, 1946. 2,411,204 J. GRAZIANO FUEL VAPORIZER Filed Nov. 8, 1945 «/0,5.e/Üß 47ÍINVENTOR. fazz'Q/'M BY _ y . A'ITD R N EYB 2,411,204 Patented Nov. i9, 1946 UNITE-DÄ STATE. s PATENT orifice 2,411,204 ` FUEL VAPORIZER l Joseph Graziano, White Plains, N. Y. Application November 8, 1943, Serial` N0..509,499 5 Claims. (Cl. 12 3-122 )' 1 , 2 This invention relates to a, fuel heater and Vaporizer and it is one object of the invention to provide a device adapted to be mounted between `a carburetor and the intake manifold of an engine where it will serve very effectively to heat the l Fig. 3 is a view looking down upon the casing ' with the drum removed. Figure 4 is a top plan View of the heating drum. Fig. 5 is a fragmentary view showing a heating disc mounted in a discharge neck of an intake combustible mixture flowing to the manifold and cause better vaporization of the fuel mixture and manifold. g This improved _fuel heater and vaporizer has also furnish a preheated supply of fuel to a cold a casingv I formed of strong metal and having its engine. bottom 2 formed‘with an opening 3 at its center. Another object of the invention is to provide a 10 Openings «l are‘formed through the bottom 2 to device oi this character wherein the fuel mixture dischargedirom the carburetor passes through receive screws 5 by means of which the `casing is secured upon the neck 5 which projects from the a drum enclosed in a casing mounted upon the exhaust manifoldVv 6 of an internal >combustion engine of conventional construction and consti haust manifold of the engine, the casing having 15 tutesa heating chamber for the inlet neckk ‘I and heating chamber which projects from the ex communication with the intake manifold, and there being heating member-s in the casing with adjoining portions of the n intake manifold 8. These manifolds are of conventional formation and constitute standard elements of internal com ‘ which the fuel mixture makes contact as it ñows through the casing. bustion engines. lAnother object of the invention is to provide a 20 \ . ` device of this character wherein the heating About the upper end‘of the casing is formed an interna-1 annular `flange 9V having threaded membersl in the` drum consist of metal discs of suiiicient porocity to permit the combustible mix ture to pass through them, an electric heating relationto each other ’and intended to receive openings It formed- in circumferentially spaced screws I I by means of which a head I2 is detach circuit being associated with the discs so that by 25 ably secured to the casing. VThis head or cap closing a switch they may be heated prior to starting the engine and warm fuel supplied to the engine. wardly projecting annular flange I3 ¿constituting the casing or housing and nrmly, but detachably, openings I3’ formed through iiange I3. A de pending externally threaded neck or flange I'I is tapers upwardly and at‘its upper end is an in a support for a carburetor I4 which is secured to the flange by screws I5 passed through the Another object of the invention‘is to so form the drum that it may be easily mounted within 30 flange I I5 of the carburetor and into the` threaded mounted therein in spaced relation to the walls carried 'by the cap and is screwed into the inter nally threaded upper end'portion of` a drum I8 the drum with upper and lower end portions 35 which is also internally threaded at its lower end and‘bottom of the casing. \ ‘ Another object ofthe invention is to provide which are in threaded` engagement with the body portion of the drum so that by removing them the heating discs may be easily inserted or re moved for cleaning or replacement when neces sary. . in order to receive the externally threaded upper end of a downwardly tapered cap or headIS. The head or cap I9 forms a throat for the lower end ofthe drum and has its lower end'portion 40 externally reduced in thickness to form a neck 2t' of such diameter that it fits snugly within the neck ‘I’ of the intake manifold. It will thus be seen that when the engine is started and suction venting dust or other foreign matter from reach created through the intake manifold combustible ing the intakelmanifold, and to prevent back 45 mixture withdrawn from the carburetor will pass firing,4 `through the drum in order to reach the manifold. Another object of the invention is to provide a >Also since the bottom 2 of the casing I is secured fuel heater which is simple in‘construction, very to theupper end of the heating chamber, `the compact, and consists ofy a-small number of parts spacezl within the casing surrounding the drum which >may be easily assembled or taken apart. The invention is illustrated in the accompany 50 will form a continuation of the heating chamber and since the drum is enclosed in the casing and ing drawing wherein- ‘ _ the drum is formed with ñns 22 the drum may be , Fig. 1 is a sectional view taken vertically Another object of the invention is to provide a fuel heater which also serves as a iilter for pre through the improved fuel heater and Vaporizer and showingthe’same` mounted'in position for u-se. ‘ Fig; 2‘is a> top plan“ View of the heater and Vaporizer. heated by action of exhaust gases.. When the engine is started it is .desired to 55 quickly heat the combustible mixture discharged from the carburetor', in order to do so there .have been provided heating discs 23 and 24 which are 9,411,204 3 4 >formed of metal alloy of such porosity that the 2. A fuel heater and vaporizer comprising a casing having a bottom adapted to be detachably fuel mixture may pass through them. These discs ñt into annular recesses or seats 25 and 26 formed in upper and lower portions of the drum and when the drum is screwed upon the fiange Il' and the head or throat i9 is screwed into the lower end of the drum pressure will be applied to hold the discs firmly in place. Alt their cen formed with an opening for establishing com munication between the casingand the heating chamber, a cap for the upper end of said casing detachably secured thereto and adapted to be ters the discs are formed with bosses 2l' and 28 detachably secured about the outlet of a car secured to a heating chamber of an exhaust man- l ifold of an internal combustion engine and which are bored to form openings through which l0. buretor, a drum in said casing spaced fromwalls thereof and having its upper end detachably con a rod or post 29 is passed with its ends protrud nected with said cap, a neck detachably con ing and threaded to receive nuts 30 and 3l so nected with the lower end of said drum'and ex that by tightening the nuts the rod may be firm tending downwardly therefrom for communica ly held in place. A conductor Wire 32 is clamped tion with the inlet yof the intake manifold of an under the nut Bü at the upper endof‘the rod internal combustion engine, discs of porous metal and a ground wire 33 is clamped to the >rod by mounted in upper and lower portions of said the lower nut 33 and it will be readily understood drum, and a rod of conductive material extend that when the switch 3d is closed current will ing longitudinally in the drum between said discs pass through the rod 29 which acts as a resist ance and the discs will be heated. Therefore the 20 with its end portions mounted through the discs. 3. A fuel heater and vaporizer comprising a combustible fuel mixture entering the drum and casing having one end adapted to be secured passing through the discs will be heated fbefore about a heating >chamber of the exhaust mani it enters the intake manifold and delivered .to the fold of an internal combustion engine and cylinders of the engine as warm fuel instead of formed with an opening for establishing commu cold to the end that a cold engine will start more nication between the casing and the heating quickly. After the engine has been running a chamber, a cap for the other end of said casing suflicient length of timefor the drum to become heated by hot exhaust gases passing through the adapted to be securedrabout the outlet of a car buretor, a drum in said casing spaced from walls exhaust manifold and entering the heating cham thereof and having one end open and detach ber the switch 34 may be opened and heat picked ably connected with said cap, said drum having up from the exhaust gases by the drum depended outstanding ciroumferentially extending ribs, and upon to heat the discs. a head for the other end of said drum consti As additional means for heating' the fuel mix tuting a throat adapted to be detachably engaged with the inlet of the intake manifold of an in-` ture the discharge necks 35 ofthe instake mani fold 'are each provided with a heating disc 36 ternal combustion engine. ‘ » Y mounted in ya recess or seat 3l at the end of the 4. A fuel heater and vaporizerV comprising a neck. This disc is of the same formation as the casing having one end adapted' to be secured discs 23 and 2d and at its center is formed with about an open end of a heating chamber carried an opening to receive `a rod or terminal post 38 corresponding to the rod or post 29. By pro 40 by the exhaust manifold of an internal combus tion engine, a cap for the vothe-r end of said cas viding the outlet necks of the intake manifold ing adapted to be secured about the outlet of with the discs ëä fuel which may not have been a carburetor, an externally threaded flange car suiiiciently heated bythe )discs 23 and 24 or ried by said cap, a cylindrical drum in said cas become cooled while passing through the cold in ing having open ends `internally threaded and take manifold will »be reheated just prior to en adjoining the threaded portions internally re tering the 'cylinders of the engine and quick ig cessed to form annular seats, discs of porous ’nition of Athe fuel will occur. metal mounted in said recesses, one end of said Having thus described the invention, what is drum being screwed into engagement -with said ‘claimed is: ' _1. A fuel heater and vaporizer comprising a 50 flange to detachably mount the drum and holdV casing open at its lower end and adapted to be the disc in the said end portion `of the drum firmly in place by abutting engagement‘with the secured to a heating chamber of anexhaust man ifold of an engine, a cap for the upper end of flange, and a neck screwed into the other end of said drum and having binding engagement said casing having an upstanding open throat with the disc therein to iìrmly hold the disc in adapted to be secured to the outlet of a car place, said neck projecting from the drum and buretor, a depending annular flange carried by adapted for connection with the inlet of the in said cap about the lower end of the throat, a drum in said casing spaced from walls thereof take manifold of an internal combustion engine. and >having its upper end in threaded engage 5. A fuel heater and vaporizer comprising al ment with said flange, a head in threaded engage 60 casing having one end adapted to be secured ment with the lower end of said drum, said head about one end of a heating chamber carried by being tapered downwardly and having an open the exhaust manifold of an internal combustion lower end constituting a neck adapted to ñt with- V engine, a cap for the other en_d of said casing `in the inlet ofthe intake manifold of an engine, adapted to be secured >about the outlet of a car said drum being formed with internal annular 65 buretor, a drum in said casing spaced from walls thereof and having one end .engaged with said seats adjacent its upper and lower ends, discs of porousl metal mounted in said seats and held cap for communication with the carburetor kfirmly in place by the flange and the head, a through the cap, the other> end of » said drum being rod of conductive material extending between said discs with its end portions passing through openings at centers of the discs, and nuts car-v ried by protruding upper and Vlower ends of Ysaid rod for holding the rod in place and clamping yadapted for communicating with the inlet of an intake manifold of . an internal combustion en gine, and discs of porous metal mounted in said drum in spaced relation to each other longitudi nally thereof. _ conductor wires of a‘heatingcircuit to ends of the rod. ' Y 75 . JOSEPH'GRAZIANO.