US403377A - Carburetor for gas-engines - Google Patents

Description

(No Model.)

N. ROGERS & J. A. WHARRY.

GARBURETOR FOR GAS ENGINES.

No. 403,377. Patented May 14, 1889.

I WITNESSES,

a ww/g NITED STATES PATENT OFFICE.

NEIVTON ROGERS AND JAMES A. IVHARRY, OF TERRE HAUTE, INDIANA.

CARBURETOR FOR GAS-ENGINES.

SPECIFICATION forming part of Letters Patent No. 403,377, dated May 14, 1889. v

6 Application filed August 22, 1888.

To all whom it may concern.-

Be it known that we, NEWTON ROGERS and J AMES A. WHARRY, of Terre Haute, in the county of Vigo and State of Indiana, have invented certain new and useful Improvements in Carburetors for Gas-Engines; and we do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawing, and to the letters of reference marked thereon, which form part of this specification.

Our invention relates to improvements in carburetors, and more especially to those used in connection with gas-engines which use a mixture of air and gas for the explosive mixt-ure in the cylinders of the engines; and our invention consists in certain novel features of construction and combinations of parts more fully described hereinafter, and particularly pointed out in the claims, and also illustrated in the accompanying drawing, which represents a vertical section through the carburetor.

The carburetor comprises an outside closed casing or shell, A, top 0, and bottom D. 0n the inside there is another smaller cylinder, B, depending from the top 0 andhaving an in wardly-inclined annular ledge, E, adapted to support a disintegrated or porous packing within the casing B, leaving a space between this ledge and'the bottom D of the main vessel. This annular ledge E partially holds the absorbent packing, E, extending up into the inner space or chamber, and prevents the same from spreading laterally on the bottom of the vessel. A conical casing, F, is supported on columns G inside of the inner cylinder. This cone is open at its bottom and rests some distance above the bottom of the carburetor. Its top is provided with an opening for the passage of a valve-rod, H, secured to a float, I, located within or just below the lower open end-of the cone F.

011 top of the cone there is secured a spreading shield, J. The stem H is provided at the upper ends with a needle-shaped or other valve, K, which can rest against a seat, L, formed on a joint or nipple, M. A union, N,

connects the nipple with an oil-supply pipe,

Serial No. 283,449. (No model.)

0. By turning the nipple the height at which the oil must stand in the carburetor before the valve K closes the feed-supply can be regulated at will.

P is an air-pipe leading the atmospheric air to the carburetor. This pipe passes through a jacket, Q, into which the exhaust-gases from one or more cylinders pass by pipes R R and issue to the atmosphere or to a condenser by an exhaust-pipe, R. The pipe P joins a header or coupling, S, which is provided with a revolving or sliding grating, S, which serves to admit cold air to the pipe. From the coupling S a pipe, T, extends and enters the carburetor at U. By means of branch pipes, as U the air maybe led to various points of the carburetor to equally distribute it therein and make the absorption of the fluid more thorough. The inner cylinder is filled to the line X X with excelsior or other cheap fibrous absorbing material, and the carbureted air passes upward through this and passes out to one or more engine-cylinders by pipes VV.

A glass gage, W, is connected with the liquid of the carburetor by means of a pipe, a, and with the vapor in the carburetor by a pipe, 1). The liquid will stand at the same height in the gage as in the carburetor. A thermometer, Z, is placed inside the gage, and being always in contact with the liquid and the vapor it will give the temperature of the fluid. A suitable pressure-gage or manometer tube (not shown) to indicate the pressure within the carburetor may also be attached, if desired. Suitable oil-lamps, Bunsen burners, or gasoline-trays, A, are located beneath the carburetor for heating the hydrocarbon liquid within before starting the engine.

The outer casing, A, forms a main vessel in which the partition or inner casing, B, is located, leaving an annular air and fluid chamber between the outer and inner casings, said chamber communicating with the interior of the inner casing by means of the space between the bottom of the main vessel and the ledge E, which ledge holds the absorbent material within the inner casing and prevents it from sliding down and between the two casings. The conical partition or cone within the inner casing forms a fluid-chamber in which the float I can freely operate, and is surrounded by the absorbent material and IOO i x i separates the liquid in the chamber from said material.

From the above description the operation of the several parts Will be easily understood. A constant supply of oil or hydrocarbon liquid is fed from a tank by pipe 0 and passes the valve K, Whose opening is regulated by the float I. The liquid impinges on the spreader and drips down gradually, completely permeating the fibrous material. Air heated by the exhaust-gases passing through the jacket Q enters at one or more points in the side of the carburetor, passes down through the liquid and up through the fibrous mate rial, and is drawn oil by suction of the engine-cylinders by pipes V. The temperature is ascertained by the thermometer and kept at a constant point by the admission of cold air at S, and the height at which the liquid is to be maintained, preferably that shown by the line .2 .2, is noted by the gage and regulated by the movable nipple M and valve-seat L.

Having described our invention, What We claim, and desire to secure by Letters Patent, 1s

1. In a carburetor, the combination of a main closed vessel, an annular partition Within the same extending from the top nearlyto the bottom of the vessel and inclosing the central portion of the vessel, an annular inwardly-extending ledge around the bottom of the partition, an air-induction pipe entering the outer portion of the main vessel, a vaporexit from the central portion of the main vessel, an oil-induction pipe to the central portion of the main vessel, and a valve to said oil-pipe provided with a float located Within the main vessel and adapted to regulate the flow of oil, substantially as described.

2. In a carburetor, the combination of a main closed vessel, an annular partition within the same extending from the roof nearly to the floor of said vessel and inclosing the central portions of the vessel and provided with an inwardly-extendi11g ledge around its lower portion, an air-induction pipe to the outer portion of the main vessel, an oil-induction pipe to the central portion of the main vessel, a valve to said oil-pipe, a float Within the central portion of the main vessel c0nnected to said valve and adapted to regulate the flow of oil, a shield fixed over said float, and a spreader carried by the shield, substantially as described.

In testimony that We claim the foregoing as our own We affix our signatures in presence of two Witnesses.

NEXVTON ROGERS. JAMES A. \VIIARRY. \Vitnesses:

MARTIN HOLLENGER, W. C. ENGLES.

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