US1156239A - Regulator for melting-pots. - Google Patents

Description

J. E. LOWDEN.

REGULATOR rox MENING Pos.

Patented Oct. 12, 1915;.l

APPLICATION FILED AUG-6. 1913.

IIN

Il" lill Vma! UMTED sTA'rns PA omen.

JOSEPH E. LOWDEN, 'OF CINCINNATI, OHIO, ASSIGNQR T0 THE GEORGE E. LEE

COMPANY, A CORPORATION 0F OHIO.

nEeULA'ioB. For. marmara-Poms.

Specification of lLetters Patent. l

Patented oet. 12, 1915.

Application led August 6, 1913. Serial No. 783,387.

To all whom t may concern.'

Be it known that I, J o`s'EPH E. LowDEN, a citizen of the United States, residing at Cincinnati, in the county of Hamilton and' State of Ohio, have invented certain new and useful Improvements in Regulators for Melting-Pots, of which the following is a specication.

This invention relates to melting pots, and isparticularly but not exclusively adapted for use in connection with the metal pots of linotype or other type casting machines.

The invention comprises a regulator for controlling the flow of gas used to heat the metal for supplying the metal to the feeding pot as fast as it is needed.

The regulator is shown applied in connection with an auxiliary meltmg pot or cup which supplies molten metal to the feeding pot from which the metal is taken in the operation of the machine, the regulator being so constructed and arranged that the flow of gas to the burner under the melting pot or cup is controlled by the height of metal in the main or feeding pot, whereby the metal is maintained at a uniform height, and the apparatus will be free from the many objections incident to metal too hot or too cold, as well as effecting a saving of gas and having other advantages which will be apparent to those skilled inthe art.

One embodiment of the invention is` illustrated in the accompanying drawings in which- Figure 1 is a side elevation partly in section of the device. Fig. 2 is a detail in top plan view of the gas connections to the regulator. Fig. 3 is a section through the head of tube 17.

Referring specifically to the drawings, 6 indicates the main or feeding pot in which the molten metal is contained. This is supported on the frame of the machine in any suitable way, as by a hanger 7.

8 indicates a melting cup or pot which receives the ingot 9, and from which lcup the molten metal drops through an. opening 10 into the main pot 6, as fast as the metal is melted. A standpipe 11 surrounds the cup 8 and acts as a guide and confines the heat. A burner 12 is located under the melting cup 8. These parts are supportedby a bracket 13 clamped to a part of the machine indicated at 14.A h

15 indicates t e gas suppl i e which leads to a pipe 16 dependingyili) d) tube 17 which hangs 1n the main potl 6, being supported by a hanger 18 attached to a part of the frame. The lower end of the tube 17 projects below the lower end of the inner tube 16. From 'the head of the tube 1,7 a pipe 19 connects to the gas burner, and another pipe 20 extends from the head of said tube to a pilot light at the burner, said pipe 20 having a small passage communicating with the pipe 15 in thehead of the regulator, so that there is always a flow to the pilot light.

The lower open end of the tube 17 is always sealed by the metal inthe pot 6, and the lower open end of the supply pipe 16 is opened or closed automatically by the fall and rise of the metal in said pot. When the level of the metal is below the lower end of the pipe 16 it is'opened and gas flows therefrom into the pipe 17 and thence to the main burner which is lighted by the pilot and melts the metal in the cup 8 and the molten is raised suliciently to close the mouth of the pipe 16. This shuts olf the gas yand stops the melting action until the metal in the pot again falls below and opens the mouth of the tube 16, when the action is repeated. 4

It will be seen that the action of the burner and the melting of the metal thereby in the cup or auxiliary pot is automatically controlled by the rise and fall of metal in the main pot. This simple device therefore serves its purpose under all conditions and automatically controls the supply of metal, and the device has the lfurther advantage that it can be applied to existing machines, and is certain and effective in its operation.

What I claim as new is:

1. The combination of a main pot a melting pot discharging. into the same, a burner for heating the latter, and a fuel supply conduit to the burner, said conduit extending into the main pot and having a supply openingwhich is opened and closed by the metal in said main pot, as it falls and rises.

2. A fuel regulatorfor metal pots, comprising, in combination with the pot, a

burner for heating metal su plied to saidpot, and means controlled directly by the height of metal in said pot for governing the fuel supply to said burner, including a conduit depending into the pot in position to be opened and closed by the metal therein, as it falls and rises.

3. rlhe combination with a metal pot, and a burner for heating metal supplied thereto,

of a fuel supply conduit leading to said yburner and having a part which dips into the fuel supply, the inner pipe having an opening communicating with the outer pipe and located above the .lower end of the latter and adapted to be closed and opened by the rise and fall of the metal in the pot.

5. Illhe combination with a metal pot, and a burner for heating metal supplied thereto, of outer and inner fuel supply pipes depending into the pot, one of said pipes communicating with the burner and the other with the fuel supply, the inner pipe having lan opening communicating with the outer pipe an'l located above the lower end of the latter and adapted to be closed and opened by the 'rise and fall ofthe metal in the pot, and a pilot light adjacent tothe burner.

j 6. The combination with a pot, and a Aburner for heating material supplied there- "to, of a fuel supply conduit to said burner,

having two parts depending into the pot,

l with a communicating opening between said parts located in position to be closed and opened by the rise and fall of material in the pot.

7. The combination with a pot, and' a A burner for heating material supplied thereto, of an outer pipe connected to said burner and depending at its open lower end into -said pot, in position to be sealed by the molten ,material therein, -and an inner pipe connected tothe fuel supply and provided with an opening located above the lower end of said outer pipe, in position to be closed and opened by the rise and fall of said material in said outer pipe.

8. rllhe combinatlon -with `a pot, and a I burner for. heating material supplied therewith apot and a separate melting device arto, of a fuel supply conduit to said burner provided with a fuel passage exposed to the material` in said pot and directly controlled by the height of said material.'

9. ln a metal feeding apparatus for linotype machines or the like, in combination aisance ranged 'to feed molten metal to the pot, a

heater arranged in proximity to the melting device, a supply conduit for the fuel leading to the heater, and a fuel controller in the .fuel supply conduit comprising a chamber -Y ranged to feed molten metal to the pot, a

heater arranged in proximity to the melting device, a supply'conduit for the fuel leading to the heater, and a fuel controller in the fuel supplyconduit comprising a chamber provided with a fuel inlet and a fue] outlet and having an opening therein covered by and permitting ingress and egress ofthe molten metal in the pot, so that the molten metal will stop the feed of fuel through the chamber when the molten metal rises in the chamber suliciently to cut off communication between the inlet and outlet of the chamber.

11. lin a metal feeding apparatus for linotype machines or the like, in combination with a pot and a separate melting device arranged to feed molten metal to the pot, a. heater arranged in proximity to the melting device, a fuel supply conduit leading to the heater, and a fuel controller in the fuel sup,- ply conduit comprising an outer tube having an open lower end covered by the molten metal in the pot, and an inner tube within the outer tube and having. an open lower end in proximity to the upper surface of the molten metal in the pot, .the outer tube being provided with a fuel inletand a fuelV outlet, one of which includes the lower end of the inner tube, so that the lower end of the inner tube is adapted to be lcovered or uncovered by the molten metal in the pot to thereby control the supply of fuel to the heater. l

12. rlhe combination with a receptacle adapted to hold melted material, of an auxiliary receptacle or melting pot adapted to contain said `material in solid form, a device for melting the material in said pot, a fuel feed pipe having an open end extending adjacent the surface of the melted material within said first mentioned reservoir, a chambered member surrounding said feed pipe, and extending into the said melted material, and a fueleduction pipe communi-l solid form, a burner for melting the material in said crucible, aholloW body having an open end, .which end is submerged beneath the melted material Within the receptacle, a fuel conducting means extending into said hollow body adjacent the surface of the liquid material, a fuel outlet means, means for introducing fuel to said fuel conducting means, and means. for conducting the fuel from the fuel outlet nieans to the l@ burner.

. In testimony whereof, I afliX my signature in presence of two Witnesses.

JOSEPH E. LOWDEN.

Witnesses:

EDW. E. CAMPBELL, WM. H. MURPHY.

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