US482038A - Steam engine - Google Patents

Description

2 Sheets-Sheet l.

W.. E. GGOD.

STEAM ENGINE.

(No Model.)

Patented Sept. 6, 1892.

.WEEE

(No Model.) v 2 Sheets-Sheet 2.

W. E. GOOD.

STEAM ENGINE.

No. 482,038. PatentedSept. 6, 1892.

UNITED STATES lPATENT QFFICE.

WILLIAM E. GOOD,'OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE SOUTHWARK FOUNDRY AND MACHINE COMPANY, OF SAME PLACE.

STEAM-ENGINE.

SPECIFICATION forming part of Letters Patent No. 482,038, dated September 6, 1892.

Application filed March 28, 1892. Serial No. 426,684. (No model.)

To @ZZ whom it may concern,.- serve simply as an exhaust, leading either to Be it known that I, WILLIAM E. GOOD, of the air or a condenser. the city and county of Philadelphia and State H indicates the valve-stem of the highof Pennsylvania, have inventeda certain new pressure engine, and I the valve-stem of the 5 and useful Improvement in Steam-Engines, low-pressure engine, a connecting-rod J lead- 55 of which the following is a true and exact deing from stem H to link-motion L N in the one scription, reference being had to the accomcase and a similar connecting-rod K leading panying drawings, which form a part of this to a link-motion M O in the other case. The specification. motion of the steam-admission valve for the Io My invention relates to the economical use high-pressure engine is governed by the posi- 6o 0f steam in steam-engines, my object being tion of the end of rod J in the slotted link L, principally to secure (by a novel combinaand this is regulated by an Ordinary governor tion 0f parts) the well-known advantages of (indicated at T) connecting through a bellcompound or multiple expansion engines Withcrank lever R to rod P with the rod J.

I 5 out the disadvantages arising from the comp indicates an adjustment device for regu- 65 bination of two or more cylinders into a sinlating the length of rod P. The governing gle engine, the moving parts of which necesarrangement, as shown, is of the ordinary sarily act together and with a fixed ratio of type, which will increase the admission to the speed. high-pressure cylinder as the work upon that 2o A further object of myinvention is to effect cylinder increases. The admission of steam 7o the regulation of the engines largely by conto the low-pressure cylinder is also governed trolling the admission of steam to the lowby the position of the end of the rod K in the pressure cylinder, this feature being to a cerslotted link M, and this position is regulated tain extent applicable to ordinary compound by a governor (indicated at U) acting on the 2 5 or multiple expansion engines. rod-K through the bell-crank lever S and ad- 75 The nature of my invention will be best justable rod Q. It will be noticed, however, understood as described in connection with that owing to the position of the bell-crank the drawings, in which they are illustrated, lever S the action of the governor on the rod and in which- Y K is directly inverted or reversed from the 3o Figure 1 is an elevation showing two blowaction of the governor on the rod J, and there- 8o ing-engines combined in accordance with my fore the governorU acts to decrease the admisinvention; Fig. 2, a detail of the governing sion t0 the low-pressure cylinder as the work mechanism; Fig. 3, a plan of a series of blowupon that cylinder increases. It will be seen ing-engines embodying my invention, and that as the work of the low-pressure cylinder 3 5 Fig. 4 an elevation of the same series. increases its admission and the quantity of 85 A indicates a high-pressure cylinder blowsteam used by it decreases, and supposing a ingengine, and B a low-pressure cylinder uniform quantity of steam to be coming from blowing-engine, A being the shaft of the one the exhaust of the high-pressure engine, the engine and B the shaft of the other engine, result will be an accumulation of steam at a 4o and these shafts being entirely disconnected considerable pressure in the receiver or con- 9o and independent. duit leading from the exhaust of the high- Gis the steam-admission pipe leading to pressure engine. This accumulation of steam the valve-chest D of the high-pressure engine, by increasing the back-pressure on the highand F a receiver leading from the exhaust of pressure engine will increase the work upon 45 the high-pressure engine to the valve-chest E that engine, and the increase of work will 95 of the low-pressure engine. cause the governor T to increase the admis- G is a conduit leading from the exhaust of sion of steam to the high-pressure cylinder, the low-pressure engine and which may conand in this way I secure steam from the exneet with still another engine, if the multiple haust of the high-pressure engine both greater 5o compound arrangements is required, or may in quantity and in pressure. Thus it will be Ioo seen that by the paradoxical means of shortening the admission to the low-pressure cylinder as its work increases I secure an increased supply of steam for it and at a higher pressure. It is of course obvious that a decrease of work in the low-pressure cylinder will, acting through its inverted governor, diminish the back-pressure in the high-pressure engine, and by thus diminishing the work to be performed by that engine will effect a shortening of admission of high pressure steam to it. y

Referring now to a special use of my device, I would state that Y and Y indicate the blowing-cylinders of the high and low pressure blowing-engines. As shown in Figs. 4t and 5, there are six pairs of blowing-engines, each having one high-pressure engine and one 10W- pressure engine and six points of use (indicated at Z Z Z) and which may be blast-furnaces, converters, or any other device where air is used. Each pair of blowing-engines connects with a single point of use Z-as, for instance, through the air-conduits y y-unitin' in a single conduit Y or assed inde` pendently, if desired, to the point of use. The receiver F in the plan shown is made continuous by extensions F F2 F3 F4 F5, and valves f f 2 f3 f4, & c., are arranged in it, as shown.

In the diagram of my plant I have marked each pair of engines with a numeral from one to six. Normally, I will suppose that the valves f f3 f 5 f 7 f f11 are open and the others closed. This Will connect each pair of high and low pressure engines, as indicated at Fig.

' 1. If nowone of the engines breaks down, or it isdesired for other reasons to throw it out of use, taking, for instance, the high-pressure cylinder-engine of the first set, itis necessary only tovclose the valve f', when the low-pressure engine of'the set can be run independently of the high-pressureengine. The plan would then be as before, except that live steam would be admitted to the low-pressure engine independently, or by opening the valve f2 the exhaust from the high-pressure engine in the second set would pass both to it and to its own proper engine in the low-pressure set, the admission of the high-pressure engi-ne being increased to the extent which would enable it to supply steam to the two low-pressure engines. The other combinations are obvious and need not be specifically pointed out.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is

l. In combination with high and low pressure cylinders connected by a conduit or receiver, a governor regulating the admission of steam to the high-pressure cylinder, said governor being arranged to lengthen the admission as the work on said cylinder increases, and a governor regulating the admission of steam to the low-pressure cylinder, said governor being arranged to shorten the admission as the Work on that cylinder increases, substantially as and for the purpose specied.

2. The combination of two steam-engines disconnected as to their reciprocating or rotative movements, a receiver connecting the exhaust of one engine-cylinder with the admission of the second, a governor regulating the admission of steam to the high-pressure cylinder andV arranged to increase the admission as the work on said cylinder increases, and a governor regulating the admission of steamto the low-pressure cylinder, arranged to shortenthe admission as the work on said cylinder increases, substantially asand for the purpose specified.

W. E. GOOD. Witnesses:

LEWIS R. DICK, J. H. RUSSELL.

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