US1352227A

US1352227A - Combustion system

Info

Publication number: US1352227A
Application number: US220856A
Authority: US
Inventors: Lewis L Scott
Original assignee: STANDARD ENGINEERING Co
Current assignee: STANDARD ENGINEERING Co
Priority date: 1918-03-06
Filing date: 1918-03-06
Publication date: 1920-09-07
Anticipated expiration: 1937-09-07

Description

L. L. SCOTT; COMBUSTION SYSTEM. APPLICATION FILED MAR. 6. 1918.

1 352 22 Patentedfiept. 7,19%,

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LEW 1% 11. SCOTT, 01*" ST. LOUIS, IvIIiSSOURI, .ASSIGNOR T0 STANDARD ENGINEERING GUM FAX-TY, G1? ST. LOUIS, MISSOURI, A CORPCIRATIUFAT.

concussion" SYSTEM.

Application filed March 6, 1918. Eerie},

Mv invention relates to the burning of heavy oils which are pmctieelly nonvolatile at normal temperature, and concerns it combustion system whereby heavy oils are ignited at normal temperature by an electric spark. p D

My invention can he used in connection with any hes/t absorbing medium such, for

example, as :1 steam generator used in steam automobiles.

Heavy liquid liyi'lrocerhon. such as ker0- senc, can he completely burned without preheating, at normal temperature by finely dividing the liquid fuel and mixing it with i the proper amount of air to support combusamount of heat and that Wili burn heavy lay d ion fuel and ignite .zime by an elec- We speck ."ithont any preheating To this cnh I employ e. piuii'elity of liquid fuel etoinizeis which produce finely divided mixtures of hydrocui'bon fuel and'aii', and the mixture "from at least one oi'rlsziid atomizei's being ignited by means of an electric spark; and to the mi es "from these atoniizers l. furnish additional air so as to get complete combustion. I also pzovide means for bringing ell of mixtures into operation in substantial unison.

Another object of ti e invention is to automatically control, the operation of the sys em by changes in s, heat absorbing: me dium, such as {L steam generator.

In the accompanying drawings: Figure l is a. diagrammatic View of my Specification of Letters liatent.

Patented slept. 3Q a $20,856.

combustion system as applied to a steam generator;

Figiiil is on end View of the fuel. etoinizers.

and el ctric driven blower used in connection with my combustion system; and

Fig.3 illustrates a form of fuel sterilizing nozzle that may be used in connection with my combustion system.

Referring to the drawings, the numeral 1' indicates the coils of :i steam generator of the SQIHliiklSll type, 2 the Water inlet to the coils and 3 the steam outlet pipe. lnclosing the coils is heat insuletin casing 4 which has a combustion chamber 5 formed in its lower portion. -Tl1e numeral 3 indicates an air compressor, which is provided with the usual check valves 7. This air compresses may be driven in any suitable manner, as by a. steam engine or an electric motor, neither of which is shown. The numeral 8 indicates an ftl! tank for storing air at high pressure from the six.- compre'ssor t3 and is provided with a, smell hand-operated air pump 9. leading from the Eli-ill tank 8 is a. delivery pipe 11 which is provided with a, reducing valve ill), the purpose of which is toreduce the air pressure tioni the tank 8 to the delivery pipe and keep the air pressure in seidv pipe constant.

The numerei indicates a kerosene fuel tank. ilonnected to the pipe 11 is an air pipe 13 which coinniuiiucetes with the fuel tank sit the top theicof and is provided with u valve 14;. The numeral 15 indicates uiieis" pipe which is also connected to the delivei'y pipe 11 and leads to the fill nozzles '16, ii and 18, Fig. 2. The pipe 15 is prm i'ided with a valve lii-ivliicli is adapted to he (jp'nfid by the solenoid 2t, the action of which will he described lziteix Leading from the bottom of the "fuel tank 12 is a pipeizi which ing from the float v. ilve'22 is a fuel pipe 23 which is connected to the fuel nozzles 24, 25 and .26, Fig. 2. Air from the nozzles l6, l7 and 18 utomizes fuel from. the nozzles 24, 25 i 56, isspoetii'ely, g iid said atomized connected to a float x-alve 22. Leadmixtures, which are rich in hydrocarbon are directed towai'd the combustion chamber h the mixture nozziesfl? 28 and 29 re nozzles. in the drawing it isshown e5 operatin with the nozzle 28 only. Electric bustion chamber through a pipe or duct 36' which. pipe incloses in common the

mixture nozzles

27, 28 and 29, to complete combustion of the mixtures from said mixture nozzles and project the flame onto thecoils 1. The numeral 37 indicates a manually operated switch connecting the negative side of the battery 31 to the-solenoid through the wire 38. A wire 39 connects one terminal of the solenoid to one side of the motor 34:. C011- nected to the other side of the motor is a wire 40 which at itsouter end is connected to a stationary insulated contact screw 4-1. The numeral 4:2 indicates a Bourdon tube which is in communication with the steam pressure in-the generator coil 1 through the medium of a pipe 43. When a predetermined pressure is created in said Bourdon tube it will move a spring-held lever 44L out of con-' tact with the screw 41. A wire connects the positive side of the battery 31 to the lever 44, and when this lever is moved by the BOUI'ClOII tube out of contact with the screw 41, the electric circuit will be broken. When this occurs, the motor 34 will not operate and the solenoid operated valve 19 will re-- main closed so that no air can flow to the nozzles 16, 1.7 and 18, and, therefore, no fuel will be atomized and forced into the cornbustion chamber. It will also be noted that the primary Winding 32 of the spark coil is connected in parallel with the wire 4L5 which leads to the lever a l, so that when the electric circuit is opened by the action of the 'Bourdon tube 42, the current to the spark coil is cut oil in unison with the current to the motor 24 and solenoid 20,

In Fi n 3 l have shown 'an air nozzle 46 and c v L a Iuel nozzle 4'4 entering a relatively fiat uninture nozzle 48 which istriangular in shape, the air; and fuel nozzles entering near the pointed end of the mixture nozzle. The latter provides an outwardly flaring mixture chamber terminating in a narrow elongated outlet 50. This form of mixture nozzle is intended to provide an intimate mixture of the air and fuel and a wide dis-- tribution in athin sheet of the ignited fuel through the outlet 50. 4 l

I claim v 1. A hydrocarbon burner comprising a plurality of liquid fuel spraying and mix ture forming atcmizers, an ignition device cooperating directly with one of said omizers, and means for forcing additional atmospheric air into the mixtures from all.

of said after the ignition of the mixture in one of said atomizers by said ignition device.

2; A hydrocarbon burner comprising a plurality of liquid fuel spraying and mixture forming atomizer-s, an ignition device for igniting the mixture from one of said atomizers, an air duct surrounding all of said atomizer-s, and means for forcing; atmospheric air into said duct to combine with the mixtures from all of said atomizers.

3. In a combustion system, the combina tion with a heat absorbing medium of a liquid fuel spraying and. mixture iorming atomizer, means for forcing additional atmosphere air into the mixture from said atomizer, and means responsive to changes in conditions in. the heat absorbing medium for automatically controlling the fuel mixture from said atomizer and said additional air suppl I i, a combustion system, the combina tion with a heat absorbing medium of a liquid fuel spraying and mixture forming atomizer, an ignition device for igniting the mixture from said atomizer, means for torcing additional atmosphenic air to the mixture from said atomizer, and means responsive to changes in COIlClllZiOllS'lll' the heat absorbing medium for automatically controlling the fuel mixture from said atomizer, the additional air supply and the ignition device in substantial unison- I 5. In a combustion system, the combina tion with a heat absorbing medium of liquid fuel spraying and mixture forming atomizer, an ignition device for igniting the mixture from said atomizer, means for fore-- ing additional atmospheric to ignited mixture from-the atomizer, an electric device for controlling the atomizer, an electric device for controlling the additional air supply, a source of electricity for furnish i-ng electric current to said electric devices, and means responsive to changes in conditions in'the heat absorbing medium for automatically making and brealting the electric circuit, 7

6; in a combustion system, cornbinw tion with a heat absorbing medium of a liquid fuel spraying and'niirrture forming atomizer, ignition device for igniting mixture from said atomizer, means for fur nishing additional air to the ignited mixture from the atomizer which comprises an air blower an electric motor f9X'.(l1l same,-a solenoid valve fercontij'clling the operation or the atomizer, source 0? nice trinity for furnishing electric current tc said motor and said solenoid "valve, and

in. conditions means respoiisive changes in the heat absorbing medium for automati- V cally making" and breaking the electric c1rcuit.

ing the 7. in a combustion system, the combination With a heat absorbing medium of a liquid fuel spraying and mixture forming atomizer, an electric ignition device for igniting said mixture in the atomizer, means for forcing additional atmospheric air to the ignited mixture from the atomizer, an electric device for controlling the atomizer, an

electric device for controlling the additional air supply, a source of electricity for furnishing electric current to said'electric devices, and means responsive to changes in conditions in the heat absorbing medium for automatically making and breaking the electric circuit.

8. Ina combustion system, the combination with a heat absorbing medium, 01 a liquid fuel spraying and mixture forming atomizer, an ignition device for igniting -said mixture from said atomizer, means for furnishing additional air to theignited mixture, a storage tank, an air compressor for'furnishing high pressure air thereto, a

connection from said air storage tank .to the 1 atomizer, a pressure reducing valve located in connection, an electric device controlling the operation of the atomizer, an electric device for controlling the operation of the additional air supply, a source of electricity for furnishing electric current to said elec tric devices, and means responsive to changes in conditions in the heat absorbing medium for automatically making and breaking the electric circuit.

9. In a combustion system, the combination with a heat absorbing medium, of a plurality of liquid fuel spraying and. mixture forming atomizers, an ignition device for igniting the mixture from one of said atomizcrs, an air duct common to all of said atomizers, and means for forcing addi tional atmospheric air through said duct the mixture from said atomizers, and means responsive to changes in conditions in the heat absorbing medium for automatically controlling the fuel mixture from said atomizers, the additional atmospheric air and the ignition device in substantial unison.

in Witness whereof I have hereunto set my hand this 3rd day of March 1918.

LEWiS L. SCOTT,

lVitnesses DORIS MoKAY Soo'rr, Louis E. Sauna.