USRE12184E - Acetylene-gas generator - Google Patents

Description

` aff ww' No. 12,134. REISSUED DEG. 15, 1903.v

N. T. WORTHLBY .1 1.1111111011.

AGBTYLENB GAS GENERATOR.

APPLICATION FILED JAN. 9,1903'.

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REISSUBD DEG. 15, 1903. N. T. WORTHLBY.& J. HBATON.

ACETYLBNE GAS GENERATOR.

APPLIOATH FILED JAN. 9, 1903.

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Reissued December 15, 1903.

` UNITED STATES PATENT OFFICE-- NATHANIEL T. wORTHLEY AND JOSEPH HEATON, OE BRUNSWICK, MAINE, ASSICNORS, RY DIRECT AND MESNE ASSIGNMENTS, TO THE VICTORIA MANUFACTURING COMPANY, OE AUBURN, MAINE, A CORPORATION OE MAINE.

ACETYLENE-GAS G EN ERATOR.'

SPECIFICATION forming part of Reissued Letters Patent No. 12,184, dated December 15, 1903.

Original No. 687,469, dated November 26'. 1901. Application for reissue iiled January 9, 1903. Serial No. 13 8,441.

To a/ZZ whom it may concern..-

Beit known that we,NATHANIEL T. WORTH- LEY,a citizen of the United States,and JOSEPH HEATON, a Subject of the King of Great Britain,both residents OfBrunswick,in the county of Cumberland and State of Maine, have made a certain new and useful Invention in Acetylene-Gas Generators; and we declare the following to be a full, clear, and exact descrip- Io tion of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which l5 form a part of this specification.

Figure 1 of the accompanying drawings is a central vertical section of our generator. Fig. 2 is a cross-section of the gas-generator on line :c m.

The invention has relation to acetylene-gas generators; and it consists in the novel construction and combinations of parts, as hereinafter set forth.

In the accompanying drawings, illustrating the invention, the letter A designates the gas-receiver or gasometer, and B the gas-generator.

O is the water-supply, which is provided with an automatic valve c to maintain the 3o level in the receiver-tank A and in the generator-tank B through connecting-pipes a and b'.

D is a drip-chamber, attached to the bottom of the receiver-tank a, and into this dripchamber extend the lower ends of the gasoutlet pipe d, blow-olf pipe e, and gas-inlet pipef- E is the gasOmeter-bell, having a central tube e', into which the blow-off pi peeextends.

F is the governor for the gas-inlet, consisting of an inverted holder f ',v secured to the upper end of a tubular stem f, into which the gas-inlet tube f extends. At the upper end of the stem f are perforations through which the gas passes from the tubular stem into the governor-holder f', the lower portion of which is below the water-line of the receivertank. The stem f" is long enough to engage an arm of the lever G, which is pivoted to a 5o support g on the floor of the receiver-tank.

` port or in any other suitable manner to norlInally maintain the governing device F immersed to a given depth in the water of the gasometer. y

The generator B consists mainly of a tank having a cover b", which should be provided with locking devices, and inside Of said tank a carbid-chamber H, within which is the carbid-holder K, and a gas-holder L, covering in the carbid-chamber and removable when the tank is opened. The carbid -pans are arranged in series one above another in the carbid-chamber, so that the holder` consists of a series of chambers Z l, each of which is provided with a set of perforations Z to admit water to the carbid. These sets of perforations are therefore at dierent levels. The gas-Outlet pipe or tube f'" extends from near the top of the tank B downward through the bottom of said tank and then transversely to theleg of the gas-inlet tubein the receiverd ripchamber. yThe top of the gas-outlet tube is above the water-line, as is also the top of the carbid-chamber. In the wall of the carbidchamber, a little above the top of the carbidholder, is made a perforation c to allow entrance of water, this perforation being guarded on the inside of the carbid-chamber by a tube or covered way h, which extends nearly to the bottom of this chamber, so that water must pass into the chamber at the lower portion thereof.

In connection with the tank is provided an air-vent pipe M, which communicates, by means of an upwardly-extending branch m, with the interior Of the gas-holder L and by means of an upwardly-extending branch m', which extends through the tank-cover, with the external air. The open upper end of the IOO tubular branch m is below that ofthe gas- Y outlet tube and below that of the branch m',

which extends through the cover. This airvent pipe is provided with an outletn, which is usually kept closed by means of a screwstopper 'n'. The pipe M is designed also to communicate with the bottom of the carbidchamber. Y

vIn connection with the perforation or inlet k for water, which is made in the wall of the carbid-chamber, is provided a stop-valve p, which is designed to be operated by means of a rod extending through a tube 7", secured in the tank. When the valve is pulled down to close the water-inlet lc, the water can be drawn off from th`e carbid-chamber and from the air-vent tubes, and the generator can then be opened.

From the construction described it will be noted that the gas-generator consists of a central carbid-chamber having superposed carbid-pans, an inner water-chamber communicating with said carbid-chamber at the top only of the water-chambenand an outer water-chamber communicating with said inner water-chamber at the bottom only Vthereof, such outer chamber having a water-supply from the gasometer.

The operation is as follows: The water passes from thesupply-tank into the receivertank and thence into the generator-tank, iill` ing both to the same level, which is kept constant by means of `the ball-valve. The valve p, having been irst adj usted,the water passes into pipe fr and thence through the perforation k in the wall of the carbid-chamber and through the passage or covered way h therein to the bottom portion of the carbid-chamber, rising thence to the inlets of the sections of the carbid-holder, wetting the carbid and causing the generation of the acetylene gas, which passes through the pipe connections f'" and f into the gas-bell of the receiver, whence it passes o for use by the pipe d. This passage of the gas into the gas-bell raises the gas-bell from the lever and allows the gasholding governor to fall to its seat and to oiersucient resistance to the passage of the gasto maintain a water-pressure of four and one-half inches in the generator when the gas-bell is balanced to three inches. Before this pressure is reached the water in the in- Vside of the water seal of the generator will have been displaced below the inlet la and also below the inlets in the carbid-holder, the water in the carbid-chamber being forced into the air-vent pipe M, which acts as, a reliefpipe for said water. This pipe serves as an air-vent Ypipe when the gas-holder L is being removed or re placedthat is, it serves to convey air from the outside air to the inside of the gas-bell when, the gas-bell is being removed and to convey air from the gas-bell to the outside air when the gas-bell is being replaced. Gas being used from the bell it falls, engaging the lever and raising the water-seal governor, steadily decreasing the pressure in the generator until the water in the inner seal again rises above the inlet la, admitting more water to the carbid, generating more gas, and again displacingthe water to its normal level in the inside of the water seal as before.

In the gas-bell it is designed to maintain a' -constant pressure of three inches, while in the generator the pressure varies from three inches to four and one-half inches. The waterseal governor comprises also a washer for the gas and a stop to prevent the return of gas to the generator. Itis never completelyT raised from its water seal. y

The relief or air-ventl pipe Mis also designed to serve an important purpose as a well, by means of which the water in the carbid-chamber cau be measured, a graduated rod or scale being used for the purpose. In this manner it can'be determined which section or pan of carbid the water has reached in its rising. When the gas-bell is olf the lever, the pressure in the generator is always four and onehalf inches, which, taken from the depth of water in the open branch of the pipe M, will show the heightof water in the carbid-chamber. This relief or air-vent pipe M is designed to be'of sufficient capacity to serve as a reservoir for the water which may be displaced from the inlet in carbid-pans when the pressure in the generator rises, as above described. The inlets k and Z' form a double cut-off for the water' in the carbid-chamber.

What we claim, and desire to secure by Letters Patent, is

1. In acetylene-gas-generating apparatus, the combination of the gas-generator, consistingrof the central carbid-chamber, the inner water chamber surrounding said carbidchamber and communicating therewith at the 'top only thereof, the outer water-chamber surrounding said inner chamber and communicating therewith at the bottom only thereof, the water-inlet from said inner chamber to said carbid-chamber, the gasometer, the pipe connecting said gasometer and the outer water-chamber of the gas-generator, and means for supplying water to said gasometer, substantially as specified.

2. In acetylene-gas-generating apparatus, the combination of the gas-generator,consist ing of the central carbid-chamber, the inner water chamber surrounding said carbidchamber and communicating therewith at the top only thereof, the outer water-chamber surrounding said inner chamber and communicating therewith at the bottom only thereof, the vertical water-inlet tube in and extending to near the top of said inner chamber and having a communication with said inner chamber and with said carbid-chamber at the upper portion thereof, the covered way for conducting water from said inlet-tube to the bottom of said carbid-chamber, a vertical relief and air-vent pipe and measuringwell extending the full height of said generator and communicating with the atmosphere IOO IIO

at the upper, portion thereof and with the lower portion of said carbid-chamber at the lower portion thereof, the gasometer, the pipe connecting the gasometerwith said outer waterchamber, and means for supplying water to said gasometer, substantially as speciied. i

3. In acetylenegas-generating apparatus, the combination of the gas-generator, consisting of thecentral carbid-chamber, the inner water cha-mber surrounding said carbidchamber and communicating therewith at the top only thereof, the outer water-chamber surrounding said innerchamber and communicating therewith at the bottom only thereof, the Vertical Water-inlet tube in and extending to near the top of said inner chamber, said tube being open at thetop and having a lateral communication with said carbid-chamber near the top thereof, the valverod in said tube controlling the admission of water at the top thereof, the covered way for conducting water from said inlet-tube to the bottom of said carbid-chamber, a vertical relief and air-vent pipe and measuring-well eX- tending the full height of said generator and communicating with the atmosphere at the upper portion thereof and with the bottom of said carbid-chamber at the lower portion thereof, the gasometer, the tube connecting said gasometer and outer water-chamber, and means for supplying said gasometer with water, substantially as specied.

4. In acetylene-gas-generating apparatus, the combination of the gas-generator, consisting of the central carbid-chamber having the series of superposed pans or subchambers having lateral inlet-perforations therethrough, the inner water-chamber surrounding said carbid-chamber and communicating therewith at the top only thereof, the outer waterchamber surrounding said inner chamber and communicating therewith at the bottom only thereof, the water-inlet from said inner chamber to said carbid-chamber, the air-vent and relief pipe and measuring-well extending the full height of said generator and having a communication at the upper portion thereof with the atmosphere and at the lower portion thereof with the bottom of said carbid-chamber, said relief-pipe being of sufficient capacity to hold the water displaced from inlet into carbid-pans, substantially as specified.

5. In acetylene-gas-generating apparatus, the combination of the gas-generator, consisting of the central carbid-chamber, the inner water chamber surrounding said carbidchamber and communicating therewith at the top only thereof, the outer water-chamber surrounding said inner chamber and communicating therewith at the bottom only thereof, the Water-inlet from said inner chamber to said carbid-chamber, the gasometer, the pipe connecting said gasometer and outer waterchamber of the generator, means for supplying water to said gasometer, the gasometerbell, the gas-inlet tube for said gasometer, the

' governor controlling the exit of gas from said tube, and the lever device in the path of said bell and controlling said governor, substantially as specified.

6. In acetylene-gas-generating apparatus, the combination of the gas-generator, consisting of the central carbid-chamber, the inner water chamber surrounding said carbid- .chamberand communicating therewith at the `top only thereof, the outer water-chamber su rrounding said inner chamber and communicating therewith at the bottom only thereof,

Vthe vert-ical water-inlet tube in and extending to nearthe top of said inner chamber, said tube being open at the top and having a lateral communication with said carbid-chamber near the top thereof, the valve-rod in said tube controlling the admission of water at the top thereof, the covered way for conducting water from said inlet-tube to the bottom of said carbid-chamber, a vertical relief and airvent pipe and measuring-well extending the full height of said generator and communicating with the atmosphere at the upper portion thereof and with the bottom of said carbid-chamber at the lower portion thereof, the gasometer, the tube connecting said gasometer and outer water-chamber of the generator, means for supplying said gasometer with water, the gasometerbell, the gas-inlet tube for said gasometer, the governor and gas-washer controlling the exit of gas from said tube, and the lever device in the path of said bell and controlling said governor and gas-washer,sub stantially as specified.

7. Ill apparatus for generating acetylene gas, the combination with the gasometer, the gas-generator, and means for supplying the same with water from a common source, of the gasometerbell, and its leveractuated governing device, the carbidchamber and carbid-holder having the double water-inlet and cut-0E, the gas holder covering in the carbid-chamber,.and the combined air-vent and relief pipe, substantially as specified.

8. In acetylene-gas-generating apparatus, the gas-generator, consisting of the central carbid-chamber, the inner water-chamber surrounding said carbid-chamber and communicating therewith at the top only thereof, the outerwater-chambersurrounding said inner chamber and communicating therewith at the bottom only thereof, and the double water-inlet and cut-oi to said carbid-.chamber and to the carbid in said chamber, substantially as specified.

9. In acetylene-gas-generating apparatus the gas-generator consisting, of the central carbid-chamber, the inner water-chamber surrounding said carbid-chamber and communicating therewith at the top only thereof, the outer water-chamber surrounding the said inner chamber and Ycommunicating therewith at the bottom only thereof, the Water-inlet and cut-0E from said chamber to'said carbidchamber, the gasometer, the Watersupply pipe connecting said gasometer and IOO IIO

opening located above the normal level of the water on the inside of said water-sealed cover and communicating with the bottom part of said carbid-chamber for conveying water to the carbid-chamber upon a fall of pressure and consequent rise of water-level in the carbid-chamber, substantially as described.

l1. In an apparatus for generating acetylene gas, the combination with a carbid-chamber, of a water-sealed cover for said carbidchamber, the water on the inside of said water-sealed cover being in communication with said chamber through a port or openinglocated above the normal level of said water, a gasometer provided with ,a bell, and a governor controlled by said bell acting upon the descent of the bell to reduce the pressure of gas in the carbid-chamber so that the level of the water On the inside'of said water-sealed cover shall rise and floodV said port Or opening so as to admit water to the carbid-chamber, substantially as described.

In testimony whereof we have hereunto affixed our names.

NATHANIEL T. WORTHLEY. JOSEPH HEATON. I

Witnesses:

FOREST E. LUDDEN, ALBION E. TEDFORD.

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