US489737A - Gas-generating apparatus - Google Patents

Gas-generating apparatus Download PDF

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US489737A
US489737A US489737DA US489737A US 489737 A US489737 A US 489737A US 489737D A US489737D A US 489737DA US 489737 A US489737 A US 489737A
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gas
oil
holder
retort
valve
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J7/00Apparatus for generating gases
    • B01J7/02Apparatus for generating gases by wet methods

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  • Paten 7 Q4 I a- UNITED STATES PATENT OFFICE.
  • the object of my invention is to make certain further improvements on the gas generator described and claimed in an application heretofore made by me, Serial No. 378.816, filed January 23, 1891, Patent No. 476,261, dated June 7, 1892; and my invention consists in the features and details of construction hereinafter described and claimed.
  • Figure l rep'resentsa side elevation, partly in section, of one arrangement of my improved gas works
  • Fig. 2 represents a side elevation, partly in section, of another form of my improved gas works
  • Fig. 3 represents a longitudinal section of a compound air injector used by me
  • Fig. 4 repre' sents a plan view of the same
  • Figs, 5, 6 and 7 are details of the burner used in connection with my improved gas works
  • Figs. 8, 9, 10, 1 and 12 show details of the automatic valve trip used with my improved gas. works
  • Figs. 13 to 20 inclusive are details of the oil valve used by me
  • Fig. 25 is a side elevation, partly in section, of a modified arrangement for securing the flow of oil to the retort.
  • the oil supply tank or reservoir, the water tank or receptacle, the gas holder, and the generator for converting the crude oil or pe. troleum into gas may be made substantially as describedand claimed in my other application, and operated in substantially the same way. I introduce, however, a number of modifications or details,whichI consider improvements, and in respect to which Idesireapatout.
  • the oil supply tank or reservoir may be located with reference to the water reservoir and gas holder, either as shown in my other application, or as shown in Fig.1 of my pres-' out application. I have designated the oil reservoir as A, the water reservoir as B, and
  • the gas holder as C.
  • the other parts I will designate and letter as I describe them.
  • the first improvement that'I desire to describe isa. compound air injector, located in the gas pipe between the retort and the gas holder, and I willdesignate this injector as D. It is shown in detailand enlarged in Figs. 3 and 4 of the drawings. In Fig. 3 I have shown a longitudinal section through the injector, and in Fig. 4a plan view. Thei-njector is intended to be open at the top toadmit of the desired quantity of air intended to be mixed or mingled with the gas and pass with it into the gas holder.
  • a cut-ofiE plate d provided with a handle (1', by which it may he slid or moved into position either to entire] y close the opening to the illjBCliOfiOl to leave enough opening to admit the required quantity of air, as desired.
  • a valve (1 n1ounted on a rock shaft (i by which it may be raised or opened to admit the air, as desired in the operation of the works.
  • This shaft has a rod d shown in Figs.
  • valve d will be automatically opened and closed'in the operation of the machine.
  • a portion ofit passes along the main pipe of the injector, as shown in Fig. 3, and the remaining portion passes through an auxiliary pipe or pipes d shown in Fig. 4.
  • a gas pipe E leading from the retort, carries the gas into the main injector pipe, and discharges itat a point intermediate the place .where the auxiliary pipes depart from and return to the main injector pipe.
  • a pin valve j which passes through the plate f, andthrough the bottom of the burner f and protrudes into the burner through the larger central hole shown in Fig. 5.
  • This pin is tapered at the point, so that by screwing it back a. space will be left around the point for the admission of gas, and by screwing it forward, the spade will be diminished or entirely filled by the pin, thus making the hole variable insize of opening.
  • Figs. 8, 9, 10, 11 and 12, of the drawings have illustrated this improvement in Figs. 8, 9, 10, 11 and 12, of the drawings.
  • l have shown a. modified form of trip. In both cases, however, the trip is intended to be automatic.
  • Figs. 8 and 9 I have shown a nicely balanced tube G, intended to be partially filled with some unstable liquid that will run from one end to the other, as the one end or the other is depressed.
  • a. rod or link g that connects with the arm or handle of a valve in the oil supply pipe, to admit or shut ofi the supply of oil to the retort.
  • a rod or link d hegetotore mentioned that connects the handle of the shaft (1 to open or close the valve (1 in the air injector.
  • a'leverage bar G Mounted above the pi'vo'ted tube G is a'leverage bar G, which is arranged to oscillate with it. At one end this bur is connected to the end of the pivoted tubeby means of an extension 9', between which and the end of the bar arnbber cushion g may be arranged, and, if desired, another-rubber cushion g, is also; preferably arranged on the bolt connecting the bar G, with the extension g on the end of the pivoted tube, and immediately beneath such connection.
  • These rubber cushions prevent any sudden jarring or movement, and insure an easy and regular movement of the parts.
  • a rod or link which extends up by the side of the water reservoir, so as to be engaged by an arm g extending from the top of the gas holder, by which it may be raised or lowered, as the holder israised or lowered when certain limits in its movement have been reached.
  • I have shown a modified form of this automatic valve trip. In these figures I have pivoted a bar G at a central point, instead of using a pivoted tube containing an unstable liquid, and below it I have pivoted the bar G, connected at one end to the bar G with rubber cushions g and 9 as in the other case.
  • the top of this bar G is arranged to have f a weighted roller G mounted on it, adapted to roll toward the one end or the other, as the-bar G tips in the one direction or the other.
  • This roller G rides on the bar G and is balanced on it and suf- -ficiently weighted by means of the weights 9'.
  • Figs. 13 to 20, inclusive, of the drawings There are two valves shown in these figures, one of which may be termed the service oil supply valve, and the other the emergency valve.
  • the service supply valve is the one which is used under ordinary circumstances to supply the oil to the retort to be converted into gas. It is particularly shown in Figs. 13 and 14 of ,the drawings. This valve may be designated by the letter H.
  • the oil coming in, as indicated by the arrow passes into a'chamber h. Before it can pass out and along to the retort it must come into the chamber h.
  • a disk Arranged between these chambers is a disk if, provided with a hole adapted to register with a hole passing through e partition into the chamber h. As the disk is turned, however, its hole will pass away from the hole leading-into such chamber, and cut off the supply of oil. The holes register when the oil is intended to pass from the oil tank into the retort, and do not register when the oil supply is cut off.
  • This valve disk is provided with, a stem, and is held against its seat by means of a spring 72. which in turn is held in a sleeve provided with a stem h, which may be turned, and with it the valve dish h by means of an arm k connecting with the rod or link g on the pivoted tube or bar.
  • a spring 72 which in turn is held in a sleeve provided with a stem h, which may be turned, and with it the valve dish h by means of an arm k connecting with the rod or link g on the pivoted tube or bar.
  • the emergency valve is particularly shown in Fig. 19. It may be designated by the letter I.
  • valve disk h which is .unprovided with a hole, but which is adapted to pass back and forth across a hole through which the oil from the oil tank or reservoir passes, so as to shut off the supply when the exigency requiring its use arises.
  • a slower and graduating etfect is secured in shutting of the supply of oil than by the use of the hole in the service valve disk. This is the principal reason for using a valve disk of this form, instead of one prmrided with a hole, as shown in Fig. 13.
  • the emergency valve is intended to be operated for the same pnrpos e,.and bysubstantiallythe same means as in my other application, and need not be further described in detail.
  • the valve disk It in both the valves shown, is provided with a stop pin 71. protruding into a notch h in the edge of the valve disk to insure the proper location and limit themovements of the valve disk.
  • the construction, arrangement and operation of both of these valves, and all thenparts, will be easily understood by an examination of Figs. 13 to 20, inclusive, in connection with my description above.
  • a trap f At the bottom of the chamber, below the water reservoir, in-which particles at condensation collect, is arranged a trap f A pipe j opens from the bottom of the chamber into this trap, and permits the particles of condensation to pass or drop down into the trap. The pipe j leading from the bottom of the chamber into the "trap prevents the accumulation of con densation in the chamber, and as the trap is filled, it affords a seal toprevent the escape of gas.
  • a pipe 3" leads from the trap 5 from which the particles of condensation may be piped or carried off bya pipe, as shown in Fig 1, back into the oil tank, when the same is free from pressure, so as to again pass through the retort and be converted into gas.
  • the next improvement I desire to describe relates to the arrangement of an oil gage, shown particularly in Figs. 1 and 2, to indicate the quantityof oil, from time to time, in the oil reservoir or tank.
  • larrange a float K connected with a rod that rests on the surface of the oil contained in the tank under pressure,and moves up and down with it.
  • a red It extends up into a glass or other transparent, pipe k, preferablyinclosed in a slotted tube tov prevent its becoming broken, and; through which the end of the red, as it moves up or down, maybe observed from time tetime'to note the consumption of oil in the tank,so that the supply may be replenishetl as required.
  • gageortndicator in preference to a glass tube at the side of the tank, in which the oil may rise and fall, as in that case the breakage of the tube would permit the oil which is under pressure to. flow out; and cause liability to fire Or her dam ge Seventh.
  • the next improvement that I desire to. describe relates. to means for supplying the oil tank with heat, so as to raise and maintain the temperature both of the oil and of theaijr in the oil tank, by which the pressure on the oil to make it flow is secured. This improvement is shown in Fig. 2 of the drawings. I have surrounded the retorts with a hood L, which communicates with an annular jacket L, around the oil supply tank.
  • a pipe M isarranged within the oil tank with its top open but abovethe highest surface of the oil in the tank. This pipe extends down and along, preferably beneath the bed plate, and opens into the same chamber that the gas is supplied to from the gas holder. It is provided with a suitable cook or valve, so that it may be opened or closed, as required.
  • the requisite quantity of air is pumped into the oil tank to create the desired pressure, and after it has become carbureted, the valve or cook in the pipe M is opened, so that carbureted air passes along such pipe and into the chamber which communicates with the gas holder. It passes up into the holder and raises it until the pressure is equalized in the oil tank and in the gas holder. By then swingin g the burners into place under the retort, the
  • the nextimprovementillustratedin Fig. 25 relates to the means of securing or compelling a flowot oil to the retort.
  • Another pipe N leads from the receptacle on toward the air injector and gas holder.
  • a valve 01. is located in this pipe, and a valve n is located at the entrance to the receptacle opening by the pressureof the gas 'from the retort.
  • the valve a the valve 12. and the valve d in the injector open and close automatically and simultaneously in the operation of the machine, to prevent the gas from passing from the receptacle N when pressure in such receptacle is needed, or to permit the gas to pass therefrom when desired.
  • An examination of Fig. 25, in connection with the description above, will make this improvement plain. improved form-of construction is to relieve the oil tank from pressure.
  • the balance of the gas from the receptacle passes along the gas pipe into the holder, in the usual way, or in the same way as in the other forms of construction.
  • Fig. 23 I have shown a modification of the retort, in which form the pipe J leads the oil into a flat coil J which contains or affords a tortuous passage to detain it in proximity with the heat until it is converted into gasand passes up through the superheater to be further decomposed as in the other case.
  • the retort found in Fig. 23 will be found particularly advantageous in connection with small works; while the retort shown in the other figures is particularly adapted forlarger works.
  • a valve comprising chambers separated by a valve seat provided with a provided with a port' and with a central projection, a valve stem provided with a hollow head engaging the projection on the valve disk, 2. spring arranged in the hollow head of the valve stem and holding the valve disk constantly to its seat, and means for limiting the extent of movement of the valve disk,substantially as described.
  • I 5 ... port, avalvet, disk fitted against the valve seat substantially as described.
  • a gas holder pipes for conveying oil from the tank to the retort and gas frolnthc retort to the holder and gas from the holder to the place of use, thejoil tank being provided with a space above the surface of the oil for the reception of air underpressure, a pipe opening into the, oil tank above the oil-and leading to the gas holder, and a valve'or cock in such pipe to permit or prevent the passage of car- 1 bureted air from the oil tank to the gas holder,

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Description

(No Model.) 7 9 Sheets-Sl1eet 1.
" J. MLGOLDSMITH.
GAS GENERATING APPARATUS.
No. 489,737. Patented Jan'. 10, 1893.
(No Model,) 9 Sheets-$heet 2. J. M. GOLDSMITH. GAS GENERATING APPARATUS.
No 489,737. Paig ted Jan. 10,1893.
(No Model.) 9 SheetsSheet 3. J. M. GOLDSMITH. GAS GENERATING APPARATUS.
g. n I
Patented Jan. 10, 1893.
Ill
Mill! wi A m 9 Sheets-Sheet 4. J. M. GOLDSMITH. GENERATING APPARATUS.
Patented Jan. '10, 1893.
GAS
N0 Model.) 9 Sheets-Sheet 5. J. M. GOLDSMITH. GAS GENERATING APPARATUS.
No. 489,737. Patented Jan. 10, 1893.
9 Sheets-Sheet 6v J. M. GOLDSMITH. GAS GENERATING APPARATUS.
Patented Jan. 10, 1893. 3
9 Sheets-Sheet 7.
N0 Model.)
J. M. GOLDSMITH. GAS GENERATING APPARATUS.
Patented Jan. 10, 1893.
9 Sheets-Sheet J. M. GOLDSMITH. GAS GENERATING APPARATUS.
Patented Jan. 10, 1893.
1 is. [171ml A "MIMI I9 SheetsSheet 9.
J. M. GOLDSMITH.
(No Model)" GAS GENERATING APPARATUS.
ted Jan. 10, 1893.
N0.4-89,'737. Paten 7 Q4, I a- UNITED STATES PATENT OFFICE.
JACOB M. GOLDSMITH, OF CHICAGO, ILLINOIS.
GAS-G EN ERATING APPARATUS.
SPECIFICATION forming part of Letters Patent No. 489,737, dated January 10, 1893.
Application filed January 25,1892. Serial No- 419,242. (No model.)
To all whom it may concern.-
Be it known that I, JACOB M. GOLDSMITH, a citizenof the United States, residing at Chicago, Illinois, have invented certain new and useful Improvements in Portable Gas-Generating Apparatus, of which the following is a specification.
The object of my invention is to make certain further improvements on the gas generator described and claimed in an application heretofore made by me, Serial No. 378.816, filed January 23, 1891, Patent No. 476,261, dated June 7, 1892; and my invention consists in the features and details of construction hereinafter described and claimed.
Iirthe drawings, Figure l rep'resentsa side elevation, partly in section, of one arrangement of my improved gas works; Fig. 2 represents a side elevation, partly in section, of another form of my improved gas works; Fig. 3 represents a longitudinal section of a compound air injector used by me; Fig. 4 repre' sents a plan view of the same; Figs, 5, 6 and 7 are details of the burner used in connection with my improved gas works; Figs. 8, 9, 10, 1 and 12 show details of the automatic valve trip used with my improved gas. works; Figs. 13 to 20 inclusive are details of the oil valve used by me; Figs. 21, 22, Q3 and 24 show details of the particular kind of retort which I prefer to use in connection with my improved gas works; and Fig. 25 is a side elevation, partly in section, of a modified arrangement for securing the flow of oil to the retort. i
In makingmy improved gas works,I make them in many respectslike the one described and claimed in my said patent No. 476,261. The oil supply tank or reservoir, the water tank or receptacle, the gas holder, and the generator for converting the crude oil or pe. troleum into gas, may be made substantially as describedand claimed in my other application, and operated in substantially the same way. I introduce, however, a number of modifications or details,whichI consider improvements, and in respect to which Idesireapatout. The oil supply tank or reservoir may be located with reference to the water reservoir and gas holder, either as shown in my other application, or as shown in Fig.1 of my pres-' out application. I have designated the oil reservoir as A, the water reservoir as B, and
verted into gas.
the holder (3, through an appropriate pipe, to
the gas holder as C. The other parts I will designate and letter as I describe them. The oil-petroleum or other oil-is intended to be stored in the tankA,whence it passes through a pipeto a retort, where it is heated and con- From thence it passes into raise the holder, which is arranged in the water reservoir B until it has reached the proper V limit, and from whence it passes through appropriate pipes to the place of use.
First. The first improvement that'I desire to describe isa. compound air injector, located in the gas pipe between the retort and the gas holder, and I willdesignate this injector as D. It is shown in detailand enlarged in Figs. 3 and 4 of the drawings. In Fig. 3 I have shown a longitudinal section through the injector, and in Fig. 4a plan view. Thei-njector is intended to be open at the top toadmit of the desired quantity of air intended to be mixed or mingled with the gas and pass with it into the gas holder. Near the opening of the injector I have shown a cut-ofiE plate d, provided with a handle (1', by which it may he slid or moved into position either to entire] y close the opening to the illjBCliOfiOl to leave enough opening to admit the required quantity of air, as desired. Farther down in the injectorI have arranged a valve (1 n1ounted on a rock shaft (i by which it may be raised or opened to admit the air, as desired in the operation of the works. This shaft has a rod d shown in Figs. 1 and 2, connected with its end, which extends down to connect with the end of an automatic valve trip, to be hereinafter described, so that the valve d will be automatically opened and closed'in the operation of the machine. After the air has passed the valve d, a portion ofit passes along the main pipe of the injector, as shown in Fig. 3, and the remaining portion passes through an auxiliary pipe or pipes d shown in Fig. 4. A gas pipe E, leading from the retort, carries the gas into the main injector pipe, and discharges itat a point intermediate the place .where the auxiliary pipes depart from and return to the main injector pipe. As the gas rushes through the gas pipe, it is discharged into the main injector pipe through a nozzle e, which creates a suction that draws the air along-with it, and causes through a flap valve e, which opens against the pressure of the gas in its forward course, but which closes against any back pressure of thegas, so that the gas and air mingled with it may pass forward into the gas holder,
but cannot pass backward out of such holder.
The air that passes through the auxiliary pipe or pipes 61 again enters the main pipe beyond the nozzle e of the gas pipe, so as to be mingled with the gas and carried forward into the holder. There will thus be provided means for the admission of air into the pipe to commingle with the gas at two places, one supply coming from the main injector pipe, and the other entering from the auxiliary pipes. The arrangement and operation of these parts will-be apparent from an examination of Figs. 3 and 4, in connection with the above description. I
- .Second. The nextimprovementthutIdesire to describe is'in relation to regulating the admission of gas into the. burners F, located under the retorts, by which the retorts are heated. It is necessary in some cases to have a greater supply of gas than others, as afiected by variations of climate and amount of heat required in the retorts. To effect-this regulation, I employ means as illustrated in Figs. 5, 6 and 7 of the drawings' At the entrance to the humor I arrange a disk f, provided with a number of holes, which are adapted to register with holes in the bottom f of'the burner. By moving this disk in the one dimotion or the other, these holes may be opened for the admission of air, or closed to exclude it, either in whole or in part. The gas passes ply that constantly passes through the three.
into a chamber f, and along through the holes, preferably three of them, shown particularly in Fig. 5, to the nozzle of the burner. These holes are constantly open. In order to increase the supply of gas beyond what will be furnished through these three holes, I arrange a pin valve j, which passes through the plate f, andthrough the bottom of the burner f and protrudes into the burner through the larger central hole shown in Fig. 5. This pin is tapered at the point, so that by screwing it back a. space will be left around the point for the admission of gas, and by screwing it forward, the spade will be diminished or entirely filled by the pin, thus making the hole variable insize of opening. By the use of the disk f, with its holes registeringwith the holes in thebottom of the burner, I can regulate the supply of air admitted to the burner, and by'screwing the pin valve farther in or out, I can increase or diminishthe quantity of gas that shall be admitted to the burner over and above the regular supholes around the pin. The arrangement and operation of these parts will be readily understood from an examination of Figs. 5, 6 and 7, in connection with the above description. Third. The nextimprovement that I desire to describe is in reference to the means for automatically tripping the valves to shut off or regulate the supply of oil, gas and air that shall pass through their respective pipes. I
have illustrated this improvement in Figs. 8, 9, 10, 11 and 12, of the drawings. In the latter of these figures l have shown a. modified form of trip. In both cases, however, the trip is intended to be automatic. -In Figs. 8 and 9 I have shown a nicely balanced tube G, intended to be partially filled with some unstable liquid that will run from one end to the other, as the one end or the other is depressed. Near one end of, this pivoted tube is a. rod or link g, that connects with the arm or handle of a valve in the oil supply pipe, to admit or shut ofi the supply of oil to the retort. Near the other end is a rod or link d hegetotore mentioned, that connects the handle of the shaft (1 to open or close the valve (1 in the air injector. Mounted above the pi'vo'ted tube G is a'leverage bar G, which is arranged to oscillate with it. At one end this bur is connected to the end of the pivoted tubeby means of an extension 9', between which and the end of the bar arnbber cushion g may be arranged, and, if desired, another-rubber cushion g, is also; preferably arranged on the bolt connecting the bar G, with the extension g on the end of the pivoted tube, and immediately beneath such connection. These rubber cushions prevent any sudden jarring or movement, and insure an easy and regular movement of the parts. At the other end of the -bur G is a rod or link which extends up by the side of the water reservoir, so as to be engaged by an arm g extending from the top of the gas holder, by which it may be raised or lowered, as the holder israised or lowered when certain limits in its movement have been reached. In Figs. 10, 11 and 12, I have shown a modified form of this automatic valve trip. In these figures I have pivoted a bar G at a central point, instead of using a pivoted tube containing an unstable liquid, and below it I have pivoted the bar G, connected at one end to the bar G with rubber cushions g and 9 as in the other case. The top of this bar G is arranged to have f a weighted roller G mounted on it, adapted to roll toward the one end or the other, as the-bar G tips in the one direction or the other. This roller G rides on the bar G and is balanced on it and suf- -ficiently weighted by means of the weights 9'. By thus using the bar G- in these difierent arrangements, movements may be transmitted from the holder to the end of the pivoted tube or pivoted bar farthest from the holder, through the medium of the longlever- 'age atforded by the superimposed bar G, in-
stead of by a direct action on the end of the pivoted-tube or pivoted bar. 'Iheobject of this is to notonly prevent any sudden jar of the gas holder as it strikes the stops on the rod in its up or down movements, which would occasion a fluctuation in the pressure too of the gas supplyfrom the holder, so as to fife feet the uniformity and constancy of thelights or burners being supplied with gas from the holder, but to increase the leverage power by which the holder in its movement actuates the pivoted tube or bar. The arrangement and operation of these automatic trips will I be fully understood from an inspection of Figs.
8 to 12 of the drawings, inclusive, in connection with their description above. It is intended by the use of the automatic trips above described to shut off the supply of pil from the retort whenever the gas holder has been raised by the supply of gas to the pro-determined limit of its upward movement. In case of a failure for any cause to thus shut oil the vided such rod or link with a stop at its upper end. If the gasholder should for any" reason rise above its intended limit,'the arm q would come into contact with the stop onv the upper end of the. rod or link 9 and by carrying such rod up, turn the valve 9, so as to shut the gas pipe leading from the retort to the holder and prevent the passage of more gas into the holder and the consequent lifting of the holder beyond its intended limit and the breaking of the water seal. The arrangement and operation of these parts will fie easily understood from an examination of ig. 1 of the drawings.
Fourth. The next improvement that I desire to describe relates to the construction and operation of the valves for supplying the oil to the retorts, and is illustrated in Figs. 13 to 20, inclusive, of the drawings. There are two valves shown in these figures, one of which may be termed the service oil supply valve, and the other the emergency valve. The service supply valve is the one which is used under ordinary circumstances to supply the oil to the retort to be converted into gas. It is particularly shown in Figs. 13 and 14 of ,the drawings. This valve may be designated by the letter H. The oil coming in, as indicated by the arrow, passes into a'chamber h. Before it can pass out and along to the retort it must come into the chamber h. Arranged between these chambers is a disk if, provided with a hole adapted to register with a hole passing through e partition into the chamber h. As the disk is turned, however, its hole will pass away from the hole leading-into such chamber, and cut off the supply of oil. The holes register when the oil is intended to pass from the oil tank into the retort, and do not register when the oil supply is cut off.
This valve disk is provided with, a stem, and is held against its seat by means of a spring 72. which in turn is held in a sleeve provided with a stem h, which may be turned, and with it the valve dish h by means of an arm k connecting with the rod or link g on the pivoted tube or bar. In this way, as the pivoted tube or bar rises or falls the valve disk h will he turned so as to have its hole register or otherwise with the hole leading to the chamber 71., to admit or shut ed the supply of oil. The emergency valve is particularly shown in Fig. 19. It may be designated by the letter I. It differs from the service valve only in the form of the valve disk h, which is .unprovided with a hole, but which is adapted to pass back and forth across a hole through which the oil from the oil tank or reservoir passes, so as to shut off the supply when the exigency requiring its use arises. By dispensing with the hole in the emergency valve disk, a slower and graduating etfect is secured in shutting of the supply of oil than by the use of the hole in the service valve disk. This is the principal reason for using a valve disk of this form, instead of one prmrided with a hole, as shown in Fig. 13. The emergency valve is intended to be operated for the same pnrpos e,.and bysubstantiallythe same means as in my other application, and need not be further described in detail. The valve disk It in both the valves shown, is provided with a stop pin 71. protruding into a notch h in the edge of the valve disk to insure the proper location and limit themovements of the valve disk. The construction, arrangement and operation of both of these valves, and all thenparts, will be easily understood by an examination of Figs. 13 to 20, inclusive, in connection with my description above.
Fifth. The next improvement that I desire to describe relates to the automatic drip from the chamber, in which particles of condensation from the gas holder are collected. This drip, which I will designate by the letter J, is shown in Figs. 1 and 2 of the drawings. At the bottom of the chamber, below the water reservoir, in-which particles at condensation collect, is arranged a trap f A pipe j opens from the bottom of the chamber into this trap, and permits the particles of condensation to pass or drop down into the trap. The pipe j leading from the bottom of the chamber into the "trap prevents the accumulation of con densation in the chamber, and as the trap is filled, it affords a seal toprevent the escape of gas. A pipe 3" leads from the trap 5 from which the particles of condensation may be piped or carried off bya pipe, as shown in Fig 1, back into the oil tank, when the same is free from pressure, so as to again pass through the retort and be converted into gas.
Sixth. The next improvement I desire to describe relates to the arrangement of an oil gage, shown particularly in Figs. 1 and 2, to indicate the quantityof oil, from time to time, in the oil reservoir or tank. To do this, larrange a float K, connected with a rod that rests on the surface of the oil contained in the tank under pressure,and moves up and down with it. A red It extends up into a glass or other transparent, pipe k, preferablyinclosed in a slotted tube tov prevent its becoming broken, and; through which the end of the red, as it moves up or down, maybe observed from time tetime'to note the consumption of oil in the tank,so that the supply may be replenishetl as required. I employ this kind of a gageortndicator in preference to a glass tube at the side of the tank, in which the oil may rise and fall, as in that case the breakage of the tube would permit the oil which is under pressure to. flow out; and cause liability to fire Or her dam ge Seventh. The next improvement that I desire to. describe relates. to means for supplying the oil tank with heat, so as to raise and maintain the temperature both of the oil and of theaijr in the oil tank, by which the pressure on the oil to make it flow is secured. This improvement is shown in Fig. 2 of the drawings. I have surrounded the retorts with a hood L, which communicates with an annular jacket L, around the oil supply tank. The heat passes from this hood into the jacket or chamber surrounding the oil supply tank, so as to heat such tank, and thereby heat the oil and the air contained in the ta the oil which had been pumped in to secure the necessary pressure on the surface of the oil.v As the oil in the tank diminishes, the heat causes the air within the tank to sufficiently expand,and thus to maintain a pressure on the surface of the oil without frequent replenishment of air from the pump. This improvement will be understood by an examination of .Fig. 2, in connection with the description above.
Eighth. The nextimprovementthatIdesire to describe relates to the means for supplying carbureted. air to the burner when the fire is started. This improvement is also shown particularly in Fig. 2 of the drawings. A pipe M isarranged within the oil tank with its top open but abovethe highest surface of the oil in the tank. This pipe extends down and along, preferably beneath the bed plate, and opens into the same chamber that the gas is supplied to from the gas holder. It is provided with a suitable cook or valve, so that it may be opened or closed, as required. When it is desired to start the fire to heat the retort, the requisite quantity of air is pumped into the oil tank to create the desired pressure, and after it has become carbureted, the valve or cook in the pipe M is opened, so that carbureted air passes along such pipe and into the chamber which communicates with the gas holder. It passes up into the holder and raises it until the pressure is equalized in the oil tank and in the gas holder. By then swingin g the burners into place under the retort, the
Y pipe conveying gas from the gas holder to the burners is opened, and the carbureted air retort.
passes to the nozzle of the burners. When the fire is lighted, the retort-s become heated, and the operation of manufacturing gas is carried along as-inteuded. The cock in the pipe M should be closed after a suflicient quantity of carbureted air has been -supplied,so that there will be no further passage of air from the oil tankto the gas holder. By taking the carbureted air from the oil tank to the gas holder in this way, an even pressure is secured, which would not be the case it the carbureted air were taken from any other source, and
alcohol or other liquids dispensed with in starting the fire. The arrangement and operation of this improvement will be understood by a reference to Fig. 2 of the drawings, in connection with my description.
Ninth. The nextimprovementillustratedin Fig. 25, relates to the means of securing or compelling a flowot oil to the retort. In the use of this improvement I propose to dispense with the pump 0 and compressed air on the surface of the oil in the tank, and in their place to employ a receptacle or chamber .N, arranged above the retort, into which the gas, as it is generated, passes. A pipe it leads from this receptacle back, around, and into the oil pipe intermediate the oil tank and the By opening a valve n in this pipe, a portion of the .gasfrom the receptacle passes around and'into the oil pipe, where it is delivered through a nozzle n pointed in the direction of the flow of oil. The gas from the receptacle, and under pressure, rushing around to this pipe, enters the oil pipe with sufiicient forceto cause a suction in the direction of the retort, so as to draw or lead the oil to the retort, thus acting as an injector and producing the same eliect as a body of compressed air on the surface of the oil in the tank. Another pipe N leads from the receptacle on toward the air injector and gas holder. A valve 01. is located in this pipe, and a valve n is located at the entrance to the receptacle opening by the pressureof the gas 'from the retort. The valve a the valve 12. and the valve d in the injector open and close automatically and simultaneously in the operation of the machine, to prevent the gas from passing from the receptacle N when pressure in such receptacle is needed, or to permit the gas to pass therefrom when desired. An examination of Fig. 25, in connection with the description above, will make this improvement plain. improved form-of construction is to relieve the oil tank from pressure. The balance of the gas from the receptacle passes along the gas pipe into the holder, in the usual way, or in the same way as in the other forms of construction.
Ijprefer to use inconnection with my improved gas works the forms of retort like those illustrated in Figs. 21 W24 of the drawings, inclusive. The retort illustrated in these figures of the drawings is in all substantial respects the same as that described and claimed The object of this in an application-Serial No. 372,815, filed by me November 28, 1890. I will not stop to describe in minute detail the various parts of the retort, but will refer to my application above mentioned for a fuller description of its construction and operation.. I will simply say that J represents the retort in which there is a continuous tortuous passage intended to detain the fluid to be converted into gas in proximityto the burners as a source of heat. The oil enters through the pipe J, and, after traversing the tortuous passage, the gas into which it is converted passes up thronghlhe pipe j until it strikes a baflle plate j, which breaks it into a number of streams that pass outthrough the small holes 7' shown in the pipe just below-the battle plate into the hollow superheater JF, which is provided with healing passages j throughwhich the heat passes to aid in heating the superheater sufficiently to further decompose or super-heat the gas. I p
I In Fig. 23 I have shown a modification of the retort, in which form the pipe J leads the oil into a flat coil J which contains or affords a tortuous passage to detain it in proximity with the heat until it is converted into gasand passes up through the superheater to be further decomposed as in the other case. The retort found in Fig. 23 will be found particularly advantageous in connection with small works; while the retort shown in the other figures is particularly adapted forlarger works.
In Fig. l of the drawings I have shown one retort, and in Fig. 2 I have shown two. It is obvious, however, that either one or more retorts may be used, as the amount of heat re quired may render convenient or desirable.
What I regard as new and desire to secure by Letters Patent is:
1. In portable gas works, the combination of an oil supply tank, a gas generating retort, a gas holder, pipes for conveying oil from the tank to the retort and gas from the retort to the holder and gas the place of use, an air injector opening into the pipe between the r tort and the holder, provided with an air inlet and with a valve mounted on a rockshaft to move it from or toward its valve seat to open or close it, an automatic valve trip, and a rod connecting the valve shaft with the valve trip, the retort to the holder being provided with a discharge nozzle entering the main injector pipe between the valve and the holder, substantially as described.
2. In portable gas works, vthe combination of an oil supply tank, agas a gas. holder, "pipes for conveying oil from the tank to the retort and gas from the retort to the holder and gas from the holder to the place of use, an air injector provided with an air inlet and with a valve mounted on a rock shaft to move it from or toward its valve seat to open or close it, an automatic valve trip, and a rod connecting the valve shaft with the from the 'holder to a the pipe from generating retort,"
valve trip, and with an auxiliary pipe or 'pipes opening at the ends into the main injector pipe, the pipe from the retort to the holder being provided with a discharge noz: zle opening into the main injector pipe between the points where the ends of the auxil iary pipe or pipes enter the main injector pipe, substantially as described. I
3. In portable gas works, the combination of an oil supply tank, a gas generating retort, a gas holder, pipes for conveying oil from the tank tothe retort and gas from the retort to the holder and gas from the holder to the place of use, an automatic valve trip comprising a pivoted member and a leverage bar connected to the pivoted member at the end farthest from the gas holder, and with a rod or link at theendneares't thegas hold-er movable npanddown by the holder as it reaches the limits er its movement-s", substantially as described.
4. In portable gas works, the combination of an oil upply tank, a gas generating retort, a gas holder, pipes for conveying oil from the tank to the retort and gas from the retortto the holder and gas from the holder to the place of usaan automatic valve trip comprisin g a pivoted member and a leverage baiconnected to the pivoted member at the end farthest from the gas holder and with a rod or link at thee'nd nearestthe gas holder, movable up and down by the holder as it reaches the limits of its movements, and means shiftable by the tipping of the pivoted member and bar from one end of the trip to the other, substantially as described.
5. In portable gas works, the combination of an oil supply tank, agas generating retort, a gas holder, pipes for conveying oil from the tank to'the retort and gas from the retort to the holder and gas from the holder to the place of use, a valve comprising chambers separated by a valve seat provided with a port, a valve disk fitted against thevalve seat provided with a port and with a central projection, a valve stem provided with a hollow head engaging the projection on the valve disk, and a spring arranged in the hollow head of the valve stem and holding the valve disk constantly to its seat, substantially as described. p 7
6. In portable gas works, the combination of an oil supply tank, a gas generating retort, a gas holder, pipes for conveyin g oil from the tank to the retort and gas from the retort to the holder and gas from the holder to the place of use, a valve comprising chambers separated by a valve seat provided with a provided with a port' and with a central projection, a valve stem provided with a hollow head engaging the projection on the valve disk, 2. spring arranged in the hollow head of the valve stem and holding the valve disk constantly to its seat, and means for limiting the extent of movement of the valve disk,substantially as described.
I 5,... port, avalvet, disk fitted against the valve seat substantially as described.
7. In portable gas works, the combination of an oil supply tank, a gas generating retort, a-gas holder, pipes for conveying oil from the tank to the retort and gas from the retort to the holder and gas from the holder to the place of use, the oil tank being provided with a hot air surrounding jacket, and a hood inclosing the retort and comm unicati n g with the interior of the oil tank jacket,'substantially as described. 7
8. In portable gas works, the combination of an oil supply tank, a gas generating retort,
a gas holder, pipes for conveying oil from the tank to the retort and gas frolnthc retort to the holder and gas from the holder to the place of use, thejoil tank being provided with a space above the surface of the oil for the reception of air underpressure, a pipe opening into the, oil tank above the oil-and leading to the gas holder, and a valve'or cock in such pipe to permit or prevent the passage of car- 1 bureted air from the oil tank to the gas holder,
9. In portable gas works, the combination of an oil supply tank, a gas generating retort, a gas holder, pipes for conveying oil from the tank to the retort and gas from the retort to I the holder and gas from the holder to the place of use, a gas pressure receptacle intermediate the retort and the gas holder, a pipe leading from the receptacle and enterlng the oil pipeintermediate the oil tank and the retort, and a valve in such pipe connected by a rod 9 with the automatic valve trip, whereby the valve is automatically operated to permit or "prevent the passage of gas from the recepsuch pipe intermediate the retort and the holder, and means actuated by the holder when it rises above its normal limit for automatically operating the valve to close the gas pipe, substantially as described.
1 v J AGOB; M. GOLDSMITH.
Witnesses:
THOMAS A. BANNING, EPHRAIM BANNING.
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