US199786A - Improvement in sfeam-condensing and gas and air compressing apparatus - Google Patents

Description

UNITED' PATENT Gnrxon.

. EMI=L nnneimor BASEL, SWITZERLAND.

IMPROVEMENTIN strAm-couoru'smc ANDIGASAND 'AIR COMFRESSINGYAPPZARATUS.

Specification forming partof Letters Patent-No. 199,786; dated January29, 1878; application "filed Apri1'28, 1877. i

To all-whom it concern:

Be it known that I, EMIIL Bii'RGIN, of Basel, Switzerland, have invented certain new and useful Improvements inSteam-Oondensingand Gas-Compressing. Apparatus, of which the fol lowing is a specification, reference being. had

to the accompanying drawings, forming part thereof.

One part of my invention relates to the employment of a condensing steam-engine for the purpose of driving a compression-pump for compressing air, gas, orvapor and consists 'in-a novel, simple, and convenientcon-- struction, combination, and arrangement of the engine condenser, its air-pump, the com pression pinnpyand means of cooling thecyl inder of the compression-pump, and of 1 supplying water tothe condensers,iwhereby a very efficient, compact, and economically-working apparatus is obtained.

Another part of my invention consists" in' certain devices applied in connection withthe stuffing-box of an air'or-gas compressingpump;

'forthepurpose of providing for the "returnto' the cylinder of said pump any air'or gas 'that' may'escape therefrom arounditspiston-rod.

'Figurel'is" a vertical longitudinal section of my apparatus online uuof Fig.2. Fig. 2 is aver tical cross-section on liney'y, Fig. 1. Fig. 3 lsa' horizontal longitudinal section on linen u, Fig. 2.' Fig. 4 is a horizontal section on line z z,]Fig.

2. Fig. 5 is an external face view of one of} the cylinder-head's of the compressing-pump. Fig. 6 is a sectionof the-said headfon line w w'of Fig5. Fig. 7 is an exterior face view of the said cylinder-head with the'outl'et andinlet pipesattached- Fig.8 isa detailed view,

in section, of the inlet-pipe to the steam-con denser, showing the valve connected there: with. Fig. 9 is-a vertical longitudinal section cut on line w wof' Fig.2. Fig. 10 is a cross sectionof oneofthe cylinder he'ads of the compressing-pump cut on line a m, Fig. '1.

' Fig. 11 is asectional View of the ringiused in' the stuffing-box of the compressingpmnp.

A isastrong closed iron case or tank. Bl

isthe cylinder, and G the piston,of apump for compressing gas or air placed withinthe] case or tank A. D D indicate the cylinder-' heads. In"Fig. 3- these heads are removed.

Within the said case A isplaced also a seam condenser, composed of the chest E and the perforated pipe F introduced into the said.

chest, closed" at the interior end, and-at the exterior opposite end communicating by pipe F 'withthe'water in the case A. G is-a valveto close-and open at pleasure communication and which communicateswiththe condensingchamber E by means" of a channel or opening,

a, in the bottom of the caseA. Within the sai case H, besides thesaid air pump I, are two principal compartmentsyb b separated from each otherby the division-plate e and plates b 'b b 12 as shown plainly in Figs. 2 and 9."

Theplates b b b b are provided with valves" c 0 c 03, and between the plates 6 and b and the plates b and b are spaces or chambers b and I)". The body of the cylinder of the airpump I constitutes the wall of thesaid chambers on theside next them, and openings d d in the said cylinder communicate with the chambers b and b. By this arrangementwater flowing from the condenser-cylinder E down through the opening a and the channel b 'into the lower part b of said case will be drawn by the air-pump Iupthrough the valves 0 0 into the said pump at onemovement of its piston,

and then, by the' reverse movement of the pistQI it will be forced up through the valves.

0 a into the compartment b, whence it will flow out through the'outlet-pipe H; J J are overflow-pipes within the case A, leading from near thetop into the apartment b of the case H.

The case A is intended tobesupplied with cold Water introduced through an inlet-pipe,

A, from some source of supply by a circulating pump, or from a tank placed above said case. This cold water wilhcirculate about the air compressing lp'u'mp'Band the condenser E for the purpose "of cooling them. Asit'risesup" to the level ofthe upper ended the overflow is provided with two pipes, L L, each pipe opening into a separate chamber, w w, in the cylinder=head of the pump, as shown in Fig. 10. Each chamber is furnished with one or more valves, t t 2? t opening into the cylinder of the pump B, of which those in chamber w open outward, and those in chamber w inward, whereby, as is obvious, the movement of the piston in the pump B will draw air or gas in through one pipe L at either end of the cylinder, and force it out through pipe L.

As the gas, vapor, or air is liable to escape around the piston-rod 0 where the'rod passes through the cylinder-head of the pump B, and

it is found by experience that the ordinary stuffing box and packing will not entirely prevent the escape of gas at this place, the devices which I will now describe are designed to remedy this difficulty.

In Fig. 1 the stuffing-box 1, containing the packing m, is plainly represented in section. Centrally, or midway between each end of the said stuffing-box, I place a ring, it, which fits snugly into the said box, and through which the piston-rod 0 slides with a close-fitting joint. This ring has two annular recesses, p p, one in its exterior and the other in its interior face, as seen plainly in Fig. 11, andseveral apertures, r r a, open communication between the two. On either side of this ring the spaces in the stuffing-box are filled with the packing. An aperture is made through the wall of the stuffing-box, opening into the recess 10, and a pipe, 8, leads from the said aperture. Two branch pipes, s 8 lead from the pipe sone, 8, into the pipe L, and the other, 8, into pipe L, whereby it is obvious the space in the recesses 10 p in the ring at will feel the effect both of the pressure of the compressed air in pipe L and the vacuum in pipe L.

The former will, in practice, usually exceed the latter, but the said pressure may be equalized by means of the stop-cocks in the pipes s s -that is to say, by so farclosing the former and opening the latter as to equalize said pressure. N is a pressure-gage connected with the pipe 8', which, when the said two pressures are equalized, will stand at zero,

. thereby indicating when the said stop-cocks are properly adjusted.

Now it is evident, that with the arrangement above described, whatever vapor or gas may pass from the cylinder of the pump B through the packing in the stuffing-boxl to the recesses 1 p in ring a will be there diverted through the said recesses, and through the'pipe s s and L, back into the cylinder of the pump B.

The steam-engine for driving the compression-pump B may have its cylinder arranged directly in line with the cylinder of said pump, and the piston-rod 1? connected directly with the piston-rod of said pump, as shown in Fig. 1, and the piston-rod of the air-pump may be connected with and operated by a swinging arm or lever,-B, actuated from the head of the piston-rod P through suitable connections.

The operation of this apparatus is as follows: The pipes L and L being connectedthe former with a receptacle for holding compressed air, gas, or vapor, and the latter being open'to the atmosphere or connected with a chamber or reservoir containing the air, gas, or vapor to be compressed-a supply of cool water being provided to flow into the chest A, and connection being established between the steam-condenser E and the exhaust of the steam-engine, (not shown,) if now the pumps B and I are put in motion, at each stroke of the piston of B air, gas, or vapor, as the case may be, will be drawn in at one end of the cylinder of B, through the pipe L, and forced out at the opposite end through the pipe- L into the receptacle for holding the compressed air, gas, or vapor. The water flowing into the case A will circulate around the said pump B and thecondenser-cylinder E, and flow out through the pipes J J into the apartment b of the case H, and thence out through the outlet-pipe H. The pump I will act to draw the water to itself from the case A intoand through the condenser E, and channel b ,v

apartment I), and valves 0 and c and then to force it out through the valves 0 and c into the apartment I), whence it will flow out through the outlet-pipe H, together with the water coming from the case A through the overflow-pipes J J, the operations of compressing air, gas, or vapor, condensing the exhaust-steam of the steam-engine employed to drive the compressing-pump, and circulating the cold water employed for cooling the compressing pump and for condensing the steam, being thus all carried on within sub stantially a single compact case or chest. The devices described, connected with the stuffing.- box of the gas-compressing pump, operate to return to the cylinder of said pump all gas that-may escape from the said cylinder in the act of compressing the same, and at the same time prevent the air from being drawn in through the stuffing-box.

What I claim as my invention, and desire to'secure by Letters Patent, is- 4 1'. The combination, with one water tank or case, A, of the cylinder of an air or gas com! pression pump, and the condenser of a steamengine for driving the said pump, both arranged within the said tank or case, to be both cooled by the water circulating through the said tank or case, substantially as herein described. I

4 2. The combination with the water tank or I case A, containing the cylinder of an air or gas compressing pump, and the condenserof the condensing steam-engine which works connected, the one with the suction or inlet said pump, of the case or chest H, placed pipe, and the other with the force or outlet below said tankor case A, and the air-pump pipe of said pump, as described. I of said steam-engine, placed Within said case Witness my hand this 27th day of April, or chest H, and connected with said condenser, 1877.

substantially as herein described. a

3. The combination, with the stuffing-box of the compressing-pump B, of the ring at, es- Witnesses: k cape-pipe s, and branch pipes 8 s provided THEODORE G. HOsTER, with stop-cocks, the said branch pipes being B. S. CLARK.

EMIL BU'RGIN.

Images