US241174A - Valve - Google Patents

Description

(No Model.)

P. WHITE'. Valve. No. 241,174. Pt'enfed May 10,1881.

Figi. F1 g. 47

Azges;

m @Ma N. PETERS, Photo-Lithograph, Washlngtun, D. C.

UNITED STATES PATENT OFFICE.

PETER WHITE, OF ST. LOUIS, MISSOURI.

VALVE.

SPECIFICATION forming part of Letters Patent No. 241,174, dated May 10, 1881.

Application filed September 14, 1880. (No model.)

To all whom @t may concern:

Be it known that l, PETER WHITE, of St. Louis, Missouri, have lnade a new and useful Improvement in Valves, of which the followingis a full, clear, and exact description, reference being had to the annexed drawings, making part of this specification, in which- Figure l is a vertical section taken through the valve, the valve being closed; Fig. 2, a vertical section taken through the valve, the section being taken at right angles to that of Fig. l; Fig. 3, a section of the valve, showing the valve open Fig. 4, a detail, being a seetional view of the lower end of the stem ofthe valve Fig. 5, a view of theseat that the valvestem bears upon when the valve is closed Fig. 6, a section taken on the line ot' Fig. 2 and Fig. 7, a sectional view, showing an application of a portion of the improvement to a bib-cock. l

' The same letters denote the same parts.

A prominent feature of the present invention is a valve-stem having two cup-leathers, opening from each other and working in a cylindrical chamber, that part of the valve-stem which is between the leathers being, when the valveis closed, opposite theinlet into the valvechamber, and the discharge from said chainber being at a different level from the inlet.

Theimprovement also relates to the construction of the lower end of the valve-stem, or the means for assisting the upward movement of the valve, and to the means for regulating the iiow of water to the valve. 4

Referring to the drawings, F represents the improved valve. The inlet to the valve is at G. The chamber f, in which the valve F works, is cylindrical. The valve is constructed as follows The stem j" is furnished with two eupleathers, I-I and H'. When thevalve is closed, as in Figs. 1, 2, the lower end of the stem rests upon a seat, I, and the leathers H H' are respectively above and beneath the inlet G. The discharge from the valve-chamber is at J, below or beyond the terminus of the movement of the leather H'. The water may liow to the inlet G through the tube G', passing thence into a side pipe or channel, g, and thence through the inlet G. The tube G' and pipe g may, however, take the form shown at G2, Fig. 7, as it is immaterial, so far as the working of the valve F is concerned, from what source the water is supplied to the inlet G. To regulate the flow through the tube G/r'athimble, K, is

used. By screwing it into the tube G' the openinginto the pipe g is diminished, This is desirable when there is a heavy pressure in the main. Tthe seat I is of suitable material, and is mounted on a plug, l', that can be screwed in and out in the bearing i, and thus adjusted as desired. Arranged as shown in Figs. l, 2, no water can pass the valve, the pressure operating to expand theleathers H H' both above and below the inlet G. As soon, however, as the valve begins to lift and leave the seat I water in small quantity flows through a perforation (shown atf, Figs. 3, 4) into the space J' and discharge J By reason of the cupleathers H H', arran ged and operatin g as described, the operation of the valve F is rendered easy, but allowing the water to at once tlow through the perforation f2, as described, the ascent of the valve immediately at the initiation of the movement is facilitated.

The stem of the valve F may be provided with a weight, IV, to render 'the valve more `sensitive in its action when it is connected with other mechanism, as that of a water-closet.

The leathers H H' operate to pack the valve F perfectly, obviating the need of anyl other packing at the top of the valve-chamber. They also serve to balance tbe valve and render it easy in its action.

I claiml. The valve F, working in a cylindrical chamber, j', and provided with the cup-leath ers H H', and having the inlet Gand outlet J, the inner sides of said leathers being toward each other, and that part of the valve-stem which is between the leathers being, when the valve is closed, opposite said inlet, and when the valve is opened above saidinlet, enabling the outlet, substantially as described.

2. The valve F, having the stem perforated at f2, seat I, inlet G, and outlet J', combined substantially as described.

3. In combination with the adjustable seat I, the perforated stem j", substantially as described.

4. The combination of the tube G', pipe g, and adjustable thimble K, substantially as described.

Witness my hand.

. PETER WHITE. Witnesses:

C. D. MOODY,

W. J. KEsL.

the water to pass below the lower leather to loo l

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