US312484A

US312484A - luther

Info

Publication number: US312484A
Authority: US
Publication date: 1885-02-17
Anticipated expiration: 1902-02-17

Description

(No Model.) 2 Sheets-Sheet 1.

J.H.LUTHER.

GAS REGULATOR OR GOVERNOR.

No. 312,484. i Patented Feb. 17, 1885.

' (No Model.)

` 2 sheets-sheet 2. J. H. LUTHER.

GAS REGULATOR OR GOVERNOR.

No. 312,484. Patented Peb. 17, 1885.

given/Zar;

Nv PETERS. Pham-Mmmwef, washington, D. c.

Nrran .STATES` 1 ArnNfr OFFICE.

JAMES H. LUTHER, OF OLEAN, NEV YORK.

GAS REGULAToRoR GOVERNOR.

LECIFCATION forming part o Letters Patent No. 312,484, dated February 17, 1885.

V Application filed December 18, 1883. (No model.)

more perfect in operation the device described in and covered by Letters Patent No. 272,281, granted to me February 13,18885`and it haslfor its object to provide for the passage of the gas from the gas-chamber into the piston at apoint about cent-ral ofthe latter, in order that the piston may have a substantial bearing both above and below the gas-passage in the chamber.

My invention also has for its object to provide a means for the escape of either lowpressure leakage, which may occur when the low-pressure cock is closed, and which might otherwise tend to strain the machine by admitting too much pressure under the diaphragm.

My invention also has for its objectto provide a means to'prevent the tluttering of the diaphragm and supply, which might otherwise result' from a sudden admission ot' gas from the supply pipe or reservoir.

My invention also has for its object to so connect the apparatus with the high and low pressure conduits that the regulator or governor maybe removed for cleaning or repairing of the same, while the flow of gas to the furnace may continue under ordinary 'controlling-cocks; and with these ends in view my invention consists in the peculiarities of construction and' arrangement hereinafter described in detail, and specifically` claimed.

In order that those skilled in the artto which my invention appertains may know how to make and use the same, I will proceed to describe its construction and arrangement and the mode of operation, referring by letters to the accompanying drawings, in which- Figure l is a central vertical section of a regulator-governor embodying my improve ments, the mechanism for weighting the piston being shown in elevation. Fig. 2 is a modification showing the vertical pressure upfluttering of the same; and Fig. 4 isfa plan view illustrating my novel construction of the governor, with the high and low pressure service-pipes.

Similar letters denote like parts in the sevy eral iigures.

A represents the upper and B the lower section of the governor, cach formed at its point of connection with the other with cavities, as clearly shown at Fig. l, to provide a space for the free vertical movement of ,the `diaphragm @which is seated between the two sections and held in place byllhe ordinary securing-bolts. The lower section below the diaphragm-cavity is cylindrical in cross-section, and extends sufficiently far downwardly to provide for a full bearing for the piston both above and4 below the circumferential gas-passage in the same. Surrounding the inner cylindrical wall, D, of this extension of the section B is formed an annular gas-chamber, E, which is tapped at one or more points radially to receive supplyconnections, as seen at F, and where more than one of such inlet-connections are provided those not in -actual use are closed by screw-plugs G. rlhe cylindrical wallD of the section B is cut away circumferentially to provide a passage, a, for the gas, and the wallof the piston H, which is hollow and strengthened by vertical ribs I, is cutaway about central'of its length to form a corresponding passage, b, in order -that the gas may dow from the gas-chamber E to the interior of the piston and escape from the bottom end thereof into Athe exit-passage J. The upper section, A, of the regulator or governor is provided with a central hollow hub or projection, K, designed to receive and form a bearing for a vertical rod, L, designed to press with its lower end upon a screw or bolt, M, by which the diaphragm and the upper head of the pistonH are se- IOO cured together, the upper end of said rod L passing above or through the hub K, and pivotally connected to a lever, WV, the short arm of which is pivoted to a pillar or post, O, and the longarm adapted to receive a sliding weight, P, the purpose of said arrangement being toload the diaphragm and piston with any predetermined degree of resistance to the gaspressure on the under side of the diaphragm. In lieu of this mechanism just described, I may employ a spring, Q, and regulating-screw R. (Shown at Fig. 2.) The upper end orhead of the piston H is provided with the vertical passage, (one or more,) as described in my Letters Patent herein referred to, and for the escape of the gas contained or admitted within the piston, and in order that the pressure of the same may act with greater or less power upon the under side of the diaphragm and cause the same to lift and carry with it the piston, thus lessening the area of registeringspace of the inlet-passages a b, and consequently the supply.

Having found by experience that the sudden opening of the cock in the supply-pipe and the consequent sudden admission of gas under the diaphragm through the orice, as shown in my said patent, induced to a correspondingly sudden lift ofthe diaphragm and piston and induced to a fluttering action, I make this orifice with tapering or cone-like sides adapted to form a small ball or shot, S, and secure the same against entire removal under the force of the gas-pressure by an overlying guard plate or ringer, T, and in operation I find that the gradual lift of the said ballvalve induces to a steady-supply under the diaphragm, and consequent steady operation of the regulator or governor.

In lieu of the ball-valve shown, any other valve designed and adapted to produce the result named may of course be employed without departing from the spirit of my invention. e

In order to provide a means for relieving the under side of the diaphragm from any excessive pressure resulting from the leakage through the piston-bearin gs or from any other cause, I arrange within the lower section, B, of the regulator and under the diaphragm an escape-orifice connecting with an eXit-tube,V, provided with a spring-valve, NV, the power of which may be regulated by a hand-screw, X, in an obvious manner.

At Fig.` 4t of the drawings I have shown my novel arrangement of governor or regulator with reference to the high and low pressure conduits. The governor or regulator is connected by means of suitable pipes, A', with the high-pressure conduits B, and having an interposed cock, C. The exit tube or pipe of the regulator is connected by a vertical pipe, D, with the low-pressure conduit E, and provided with an interposed cock, F, the highpressure conduit B and low-pressure conduit E rendered such by an interposed cock, G', so that when the regulator or governor is in place and desired to be used the cock G and F are opened, and the gas owing from the high-pressure conduit will follow the line indicated by the arrows, and pass through the regulator and to the low-pressure service or conduit E. Should it become necessary or desirable for any reason to temporarily remove the governor, while at the same time it might be desirable to keep the lires going, the cocks C and F are closed, and the cock G opened to any desired degree or adjustment, when the gas from the high-pressure conduit B will pass in a direct line to the low-pressure conduit E, and the governor or regulator may be disconnected.

Vhile I have shown my improved governor or regulator in the arrangement shown at Fig. 4, it will be understood that any other governor or regulator may be arranged likewise, and operate substantially in the same manner in so far as the delivery of the gas is concerned, either in a directlinc or through the governor. I do not, therefore, wish to be confined, so far as this feature of my invention is concerned, to the employment of any particular kind of governor, the gist of this feature of my invention resting in the broad idea of the arrangement of the pipes and cocks with the governor, whereby the latter may be cnt in or out of ci rcuit, as already described.

Vhat I claim as new, and desire to secure by Letters Patent, is-

The hollow piston H, having the gas-passage in its head or upperend formed with a valve, S, substantially as described, to prevent sudden vibrations of the diaphragm and piston, as hereinbefore set forth.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

JAMES H. LUTHER.

Vitiiesses:

DAVID H. MEAD, ALDIs B. BRowNE.