US1099200A - Valve. - Google Patents

Description

P. M. PATTERSON.

VALVE.

APPLICATION FILED SEPT.9, 1908.

1,099,200, Patented June 9,1914.

2 SHEETS-SHEET 1.

. W 61mm,

F. M. PATTERSON.

VALVE.

APPLICATION FILED SEPT.9,1908.

1,099,200, Patented June 9, 1914,

2 SHEETSr-SHEET 2.

Wit" use:

a 0- H h. anemia;

UNITED STATES PATENT OFFICE.

FRANKLIN M. PATTERSON, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO PATTERSON-ALLEN ENGINEERING COMPANY, A CORPORATION OF NEW YORK.

VALVE.

To all whom it m (13 concern Be it known that'l, F RANKLIN M. PATTER- soN, a citizen of the United States, and a resident of the city and county of Philadelphia, State of Pennsylvania, have invented an Improvement in Valves, of which the following is a specification.

My invention has reference to valves and consists of certain improvements which are fully set forth in the following specification and shown in the accompanying drawings, which form a part thereof.

The object of my invention is to provide a construction of reversible througlnvay valve which shall be positive in action, durable in use, inexpensive in construction and easy of repair.

My invention consists of a valve casing made in three parts, namely: a middle annular body part of uniform thickness and two outer parts bolted to the middle part with interposed packing, said outer parts being each provided with a port which ports come into alinement when the casing is assembled, combined with a pivoted spindle and a swinging valve piece adjust-ably carried by the spindle whereby it may follow the valve seat upon one of the outer parts.

My invention further consists in providing the two outer parts of the valve casing with valve seats about their ports and extending laterally therefrom to..form opposing parallel surfaces with the valve piece, adapted to swing between the said valve seats, of less thickness than the space between the said seats and adjustably connected on the spindle, whereby said valve piece may automatically adjust itself on the spindle and to either seat according to which of the two ports is used as the outlet port.

My invention further consists of a valve of the character above described, in which the spindle for operating the valve piece has a cylindrical bearing in each of the outer parts, and a flanged portion seating in a bearing in one of the parts, combined with a spring arranged in the other of the parts for forcing the spindlelongitudinally, whereby its flange may positlvely seat itself on the bearing.

My invention also comprehends details of construction which, together with the features above specified, will be better under- Specification of Letters Patent.

Annlication filed September 9, 1908.

Patented June 9, 1914. Serial No. 452,306.

stood by reference to the drawings, in which:

Figure 1, is a plan view of my improved valve with the middle and one of the outer portions of the case removed. Fig. 2 is a transverse sectional elevation on a plane through the center of the ports and spindle; and, Fig. 3 is a perspective view of the spindle removed.

A is the middle portion of the case and is annular in form and somewhat segmental in plan, as indicated in Fig. 1. It is clamped between two outer parts or heads B and C of the case, by means of bolts 1), as indicated. The outer parts, B and C of the case are provided with ports E having screw threaded portions 1 for attachment to the piping. Instead of these screw threaded portions, the ports maybe made in any other suitable manner for connection with piping or devices with which the valve is to be employed, as will be understood by those skilled in the art. In large valves it is customary to provide flanges instead of-relying upon the screw threads of the pipe for direct attachment. "The opposing faces of the parts A, B and C are made flat and provided with small grooves c in which packing strips H are arranged, so that when the bolts 1) are tightened up the joints between the parts A, B and C are made water tight without requiring the opposing surfaces to be planed or turned. By this construction, economy is secured with respect to the cost of manufacture. Furthermore, all of the bolts with the exception of three, which are indicated in cross section in Fig. 1, may loosely fit the holes in parts A, B and C, but these three bolts are made to fit snugly to enable the spindle bearing to be bored in the two parts B and C in exact alinement. In place of the tight fitting bolts, being those indicated in cross section, in Fig. 1, any other of the bolts might be so made, as long as the parts B and C are held in proper relation to insure the alinement of the bearings for the spindle F.

Each of the outer parts, B and C is provided with a valve seat G surrounding the ports E, and these seats extend laterally as indicated in Fig. 1. These seat portions Ur extend beyond the level of the flange portions, which are clamped to the middle part arranged a spring M which is carried upon the rocking spindler' j ournaled at J in the outer part C. The

spindle is of the shape shown in Fig. 3,'

and consists of the part F which is cylindrical and journaled at J in the part C as aforesaid; the flange F which is cylindrical and fitted into a circular recess in the part 7 and resting upon an annular packing ring K between the said flange and the bottom of the recess to make a tight joint, and which packing ring K may be of copper or other non-oxidizable metal; the part F which is made with straight sides and preferably curved at each end and extends upwardly from the flange part of the spindle, and snugly fits an aperture 1 in the swinging valve 1; and a cylindrical part F having an axis in line with the axis of the cylindrical part I and journaled in a recess L in the other outer part B. Within the recess is which presses upon the end of the part F of the spindle to force said spindle longitudinally so that the flange 1 thereof will make a tight joint with the packing K on the other outer part 0.

The swinging valvepiece I is shown in Fig. 2 operating against the-valve seat in the outer part C, and does not quite touch the valve seat on the outer part B. Under these conditions the port in the part C would be the eduction port or outlet, as the pressure of the water entering the valve forces the valve piece against the seat of said outlet port. Should the valve be reversed, it is evident then that the port in the other outer part B will become the eduction or outlet port, and in such case, the pressure of the water will force the valve piece I against the valve seat of the part B, and cause it to leave the valve seat which it is now occupying. This capacity of the valve necessitates a freedom of movement between the valve and spindle as the spindle is not intended to have longitudinal movement excepting to permit adjustment to compensate for Wear. I

The spindle F may be rocked by any suitable means, but in the form preferred, I employ a segmental gear N, fitted upon the square end of the spindle and driven by means of a pinion N upon theend of the lever N which is pivoted upon a stud 0 carried by an extension of the outer part C of the case. If the lever N is rotated in the reverse direction to the hands of a clock, the valve piece I will be moved to expose the outlet port, and reversely to close it, the hand lever making preferably about a half revolution to obtain a full opening of the valve.

By the construction herein described, it is evident that very little machine work is required upon this valve, and such as is required inexpensive. The valve, as a whole, is easily dismantled and repaired, and from the nature of its construction, the cost of manufacture is reduced to a minimum.

By making the spindle with the block F mainly at one side of the axial line, I am enabled to make the slot in the valve piece largely between the axis of the spindle and the valve proper, and in this way, permit the valve to encircle the spindle without abnormally increasing the size of the case constituting the valve body.

While I have shown my invention in the form which I have found most excellently adapted for commercial use, I do not limit myself to the details,as these may be modi-' fied without departing from the spirit 01 the invention. 1

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

1. In a valve, a casing having ports in alinement and provided on one side with a long cylindrical bearing having a cylindrical recess at its inner end, said recess providing at its bottom an annular flat bearing surface at right angles to the axis of the bearing, in combination with a spindle journaled in said bearing so as to have wearing contact up to the recess and having a cylindrical collar fitting said recess and provid-' ing an annular flat Wearing surface fitting the annular fiat bearing surface of the recess, said spindle also having an irregular shaped block portion on its inner end beyond the collar, a spring between the inner end of the spindle and the opposite side of the casing acting to hold the spindle in position and its collar in the recess of the bearing, and a swinging valve structure independent of the spring, having a' socket fitting over the irregular shaped block portion of the spindle and positively movable therewith to swing transversely between the ports of the casing to control flow through said ports, said valve structure also movable longitudinally upon the spindle.

In a valve, a casing having ports in alinement and provided on one side with a long cylindrical bearing having a cylindrical recess at its inner end, said recess providing at its bottom an annular flat bearing surface at right angles to the axis of the bearing, in combinatlon with a spindle jourinaled in said bearing so as to have wearing contact up to the recess and having a cylindrical collar fitting said recess and providing an annular flat wearing surface fitting the annular fiat bearing surface of the reum I cess, said spindle also having an irregular shaped block portion on its inner end be yond "the collar extending to a greater distanc\ on the side of the axis of the spindle toward the ports of the casing than upon the other side, a spring between the inner end of the spindle and the opposite side of the casing acting to hold the spindle in position and its collar in the recess of the bearing, and a swinging valve structure independent of the spring, having a socket fitting over the irregular shaped block portion of the spindle and positively movable therewith to swing transversely between the ports of the casing to control flow through said ports, said valve structure also movable longitudinally upon the spindle.

3. In a valve of the character described, a valve operating spindleconsisting of an integral structure comprising a cylindrical bearing part having a cylindrical collar portion of larger diameter, said parts in alinement and said collar providing an annular flat bearing surface at right angles to the axis of the spindle and uniting with the cylindrical bearing thereof adjacent to said .collar, and a block shaped part having flattened sides parallel to the axis of the spindle arranged above and integral with the collar on the side thereof opposite to the cylindrical bearing part and having its main portion extcndin Y greatly to one side of the axis of the spint le.

In testimony of which invention, I have hereunto set my hand.

FRANKLIN M. PATTERSON.

Witnesses R. M. KELLY, A. W. Harrie.

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