Патент USA US2077764код для вставки
April 20, 1937. T. o. LlLES FUEL VAPORI ZER v ' 2,077,764 ' Filed Feb. 10, I936 1/ 19 ,,65 .12 jazz/w IN VENTOR. ATTORNEY. Patented Apr. 20, 1937 ' 2,011,164" ‘UNITED ‘STATES. PATENT Lori-"loaf _ I ‘r y‘ ' 2 ‘ mxlmim I v ' Thomas 0. Llles, Detroit,‘Mich., assignor to Liles ‘ ‘ 2 Fuel Vaporizer Corporation, Tyler, Tex, a cor poration ofvTexas ' ' ‘ .» ‘ Application February 10, 1936, Serial No. 63,284 ‘ 3 Claims. (or. 257-246) ?lled with a suitable medium 20 for filtering ior ternal combustion engines and more ‘particularly eign substances such as dust, etc., from the air ,' ‘This invention relates to fuel systems forin ‘ “to the means whereby ‘the temperature of the fuel 1 and air is ‘regulated or controlled in its passage 5 to the carburetor. ~ _ A further object of the invention isto provide ' _ - A further object is to provide a practical means for maintaining a quantity of so called low grade or base fuels such as distillate at~a temperature near the vaporization point, by utilizing heat from 15 the exhaust of the engine, . - the exhaust pipe 22 of ‘an internal combustion engine as by providing clips 23 for engaging the _ exhaust pipe 22 and ?anged portions '24 o! the heater. An opening 25 is provided in the exhaust 22 which registers with open ends l4—l4'of sec 10 tions i2-I2 of the heater. The arrow indicates the direction of normal ?ow of the hot exhaust gases from the engine. 20 is a butter?y valve, pivotally mounted as at 21 by which» registering ' openings "-14 and 25 are thermostatically 15 It has long been, known that distillatesand the like possessed fuel values in excess of gasoline, opened and closed as the operation requires. 28 however, the demands for smooth running of the connected to butter?y valve 28 by rod 30. Ther engine and delivery of its'power have not hereto mostat 28 is mounted upon pin it which latter projects thru and is rotatable‘ in its bearing in inner housing l2, and on its outer end isprovided with crank 32 which has a rod 32 pivotally at-,, 20 fore been met in a practical manner when burn ing low grade fuels, due to the‘lack of a suitable means for controlling the temperature of the charge. I have provided a practical means for this purpose, and one which is readily and in stantly responsive to varying conditions of engine operation and load demand; also a means readily adjustable to accommodate fuels whose vaporiza tion points vary. , ' Other objects will readily appear and be under 30 stood along with the ones hereinabove enumer ated by mechanics skilled in the art from the fol lowing description together with the accompany ing drawing, wherein:-- . . _ Figure 1 is an elevation, partly in section of my 35 1188181‘. . “ The heater may be conveniently mounted upon 5 I novel means'for heating both the fuel-and the air forming the charge by a common meanspin which the temperature of the one a?ects that of 10 the other. as it travels thru passage it into intake 2i of a conventional carburetor (not shown). _ is a thermostat, the outer arm 29 of which is tached thereto and projecting upwardly thru the outer housing of the heater and is threaded at its outer end and there received by adjusting nut 84 by which means thethermostat may be so adjust‘ ed as to cause the butter?y valve to open or close the openings Il-ll and 2! at the temperatures ' desired. ' and is there formed into a coil 28' as it extends downward into the'most intense heat area in the . element l2 and then leads out as at 38 to. the v Figure 2 is a section along 2-2 of Figure 1. carburetor where the heatedfuel is mixed with Figure 3 is an enlarged detail of the upper the heated air from the outlet 2| of the heater ‘and vaporized for admission into the combustion chamber of the engine. portion of Figure 1. a A fuel line 3! leads from a gravity tank lo cated above the carburetor or from a fuel‘pump not shown and, enters ‘one of the elements l2 - In the several ?gures like references designate 40 similar parts. ' III is the heater having an outer member ll, and inner members l2-l2; the latter being pref erably joined together at it, open attheir lower The operation is as follows: 40 ’ Through adjusting nut 34 the- thermostat is set to cause the butter?y valve to open wide ' into the exhaust manifold to intercept exhaust ends it and having a communicating passageway gases from‘ the engine when it is started, which 45 -ll near their upper ends for purposes which will Qpassupward’ about the‘fuel coil and the thermo stat. thence through opening I! and downward The outer portion II and the' inner portions through the other inner element l2 and back l2—l2 of heater II are Joined together adjacent , into the exhaust pipe 22. As the temperature hereinafter more readily appear; ~_ to their lower extremities as by providing a per 50 forated ring member it through which studs l‘! pass, after being received by convenient openings in member ll of the heater to'threadedly engage inner members l2. The perforations i8, permit air to enter space it between the outer and inner l6 walllorthaheaterwhichspacemaybepartially rises in the heater the fuel in the coil will absorb , some of this heat to bring its temperature up to so‘ a predeterminedpoint; likewise the air in pas sage It will absorb heat by conduction and con vection. As-the engine heats up from the work- - ‘ ing load the‘ thermostat will respond to auto matically regulate the amount of exhaust gases . ' ' 2 2,077,764 entering the heater, and thereby control the tem perature of the fuel and air passing through the heater to the carburetor. Since different fuels vaporize at different tem peratures, it remains only for the operator to adjust the thermostat to provide for the desired the passage therefrom of the exhaust gases, the fuel coil being disposed within the path of travel of said exhaust gases. 2. A_ charge heater for internal combustion engines comprising an outermember and an inner member with an air passage between said temperature for most ei?cient operation, and ob tain the maximum power from any given fuel. members; the inner member embracing a liquid fuel coil anda thermostat and providing a pas If they fuel used will vaporize at normal at IO mospheric temperatures the thermostat is ad~ ’ sage‘ communicating directly with the exhaust of the engine, the fuel coil and thermostat being 10 justed to cause valve 26 to be fully closed Where upon none of the exhaust gases pass through disposed within the path of travel of said exhaust gases within the said passage. the heater. I prefer to mount my heater in or 3. A charge heater for internal combustion en nearly in an upright position as in this way 15 foreign substances ?ltered'out of the air by the gines comprising an outer member embracing an medium 20 will have a tendency to fall by gravity inner member with an air passage between the 15 members; the inner member being formed in two out of the line of passage. It will be noted that a balanced temperature sections each communicating with the exhaust between the air and the liquid fuel is obtained. pipe of an internal combustion engine at one of 20 which permits of vaporization of the fuel and its ends and with the other adjacent its oppo properly mixing it with the air as the two are site end, heat responsive means disposed within 20 the ?rst of the inner members for controlling the brought together in the carburetor. What I claim is: r 1. A charge heater. for internal combustion engines comprising an outer member and an in“ her member with an air passage between said members; the inner member embracing a liquid fuel coil and communicating directly with the exhaust of the engine at one end providing for admission of the exhaust'of the engine thereto and for-controlling its passage from the other of .said inner members and a ‘liquid fuel coil dis-_ posed within the first of said inner members and 25 within the line of travel ,of exhaust gases there; through. ' ‘ THOMAS O. LILEYS.