US1421687A - Valve - Google Patents

Description

1 G. P. HAYNES.

VALVE. APPLICATION FILED 020.15. 1920.

1 42 1 687 Patented J uly 4, 1922.

2 SHEET SSHEET I.

' 04 41/12 F/aZ. 9. I v

INVENTORS ATTORNEYS G. HAYNES.

VALVE. APPLICATION FILED DEC. 15, 1920.

Patented Ju1 4, 1922.. 2 SHEETSSHEET 2 v INVENTORS fig ATTORNEYS s Ed we" 4 r VALVE.

Specification of Letters Patent.

Patented July 4t, 1922.

Application filed December 15, 1920. Serial No. 431,031.

T 0 all whom e't may concern Be it known that I, Gnoncn P. HAYNES, a citizen of the United States, residing at Brooklyn, in the county of Kings, State of New York, have invented a new and useful Valve, of which the following is a specification.

My invention consists of a novel construction of a valve, which is adapted for handling heavy viscous liquids that have a large amount of solid matter in suspension, which can be cheaply manufactured, is readily accessible for the purposes of inspection, replacement or repair, and has no packing boxes or glands, the valvular members being self grinding and the valve being slow or quick operating and readily operated under high pressure by reason of my novel construction and collocation of gearing common to the valve members, the valve casing and the operating post.

To the above ends my novel invention consists of a novel construction of a valve comprising top and bottom bonnets, an intermediate center ring, a plurality of valvular members provided with juxtaposed telescoping portions, one of said valvular members being provided with a pinion in mesh with an internal gear, cast or formed upon the center ring, said pinion meshing with a driving gear carried by an operating post, which is journaled in the bottom bonnet in a novel manner.

To the above ends, my invention Consists of a novel construction of a valve, the novel features of which will be hereinafter fully set forth and pointed out in the claims.

For the purpose f illustrating my invention, I have shown in the accompanying drawings, forms thereof which are atpresent preferred by me, since they will give in practice satisfactory and reliable results, although it is to be understood that the various instrumentalities of which my invention consists can. be variously arranged and organized and that my invention is not imited to the precise arrangement and organization of these instrumentalities as herein shown and described.

Figure 1 represents a vertical sectional view of a valve embodying my invention.

Figure 2 represents a section on line 2-2 of Figure 1, certain of the parts being removed for clearness of illustration.

Similar numerals of reference indicate corresponding parts.

1 designates my novel construction of valve, the same comprising the casing composed preferably of the top bonnet 2 and the bottom bonnet 3 and the intermediate center ring l, the latter being held between the juxtaposed outer faces of said bonnet members by means of the bolts or other fastening devices 5, which pass through the lugs 6 and T of said bonnets and center ringrespectively. k

The top and bottom bonnets 2 and 3 are provided with the threaded aligning openings 8 and 9, which communicate with the enlarged annular chambers, 10 and 11, which communicate with the ports 12 and 13 of any desired contour in said top and bottom bonnets respectively, either of said ports being capable of serving as inlet or outlet ports.

The port 12 is provided with an inner valve seat 14 against which contacts the upper valvular member or loose disc: 15, which is providedwith the extension 16, which is contained in the pocket formed within the annular wall 17 of the lower valvular member 18, which coacts with the lower seat 19 around the lower port 13.

The telescoping arrangement of the parts 16 and 17 of the valvular members, ensures the proper relationship of the valves to each other and their coacting parts at all times.

20 designates a coil spring or other tension device located between the valvular members 15 and 18 and tending to normally press said valves outwardly against their respective seats. On the walls 17 of the valve member 18 are formed the gear teeth comprising the pinion or geared disc 21, which engage the internal curved rack or series of gear teeth 22 formed on the inner "face of the center ring 4, said pinion 21 being in mesh with the gear 23, which is formed on or secured to the oper ting post 24 having the extension 25, which has the squared portion 26, upon which is fitted the operating handle 27 which is secured in position by the pin 33 or the like. The outer shoulder 28 of the operating post 241 is contained or guided in the seat 29, in which is contained the operating post packing gasket 30, said gear 23 and its adjuncts being held in proper position by the operating post spring 31 one end of which contacts with the inner wall of the top bonnet 2, while its other end is contained in the central seat 32 of said operating post.

In order to reduce the exterior dimensions of the valve casing and particularly the center ring 4 to as small a compass as is practicable, I provide the eccentric internal recess 34 in said center ring, whereby sufficient clearance is provided for the teeth of the operating post gear 28.

The pitch of the teeth on the operating post gear 23 is slightly smaller than the pitch on the pinionor geared disc 21, and the pitch of the teeth of said disc 21 is slightly smaller than the pitch of the teeth 22 of the internal rack formed in the center ring 4:, whereby I ani'enabled to considerably reduce the overall dimensions of my novel valve, since if the same pitch was maintained throughout all of said three gear elements, the valve would have to be considerably larger in order for the operating handle to open it full by the movement through an arc of 180, the relative variations of pitch being indicated by the legends on Figure 2 and being clearly understood by those skilled in the art. 7

It will be apparent from the foregoing that in my novel construction of valve, there is created by the actuation of the valve disc, a rotating grinding motion upon the valve faces during the opening and closing of the valves.

The valvular members or discs never leave their respective valve faces, which minimizes the probability of any foreign substances getting between said discs and their seats and the valve faces are swept clear of any foreign substance at each pass of the disc.

By arranging the inlet and outlet openings very close together and directly in alignment, the liquid that the valve is handling is permitted to pass through the valve unobstructed or retarded in any way and in my novel construction either of the valved openings can be used as inlets or outlets or vice versa.

By the employment of the central separating ring, easy access is permitted to both Valve facings for regrinding or refacing the same and I am further enabled to make the valve so that it is pressure tight from either side instead of in one direction, as is the usual practice in valves of this general character now in use.

By the employment of my novel system of gearing, wherein the driving gear of the operating post meshes with the pinion formed on one of the valve members, which pinion is in mesh with the rack cast or formed on the center spacing ring, there is considerably increased leverage. provided to operate the valves which enables the valve members to be readily actuated by a moderate pressure exerted on the operating handle, which is an important feature where the valves are used under a high pressure.

By providing a close clearance between the bonnets, I eliminate the liability of deposits of heavy foreign substances, within the valve casing, and the scavenging effect caused by the rotation of the gearing, results in the breaking up and dislodging of any heavy foreign substances during the operation of 7 the valve and renders my novel construction particularly applicable for handling heavy viscous liquids or liquids that have a large amount of solid matter in suspension.

By recessing the separating ring so as to receive the driving gear of the operating post, I am enabled to materially reduce the overall dimensions of the valve casing.

By making the pitch of the teeth on the operating post gear slightly smaller than the pitch of the teeth on the geared disc or pinion of the valvular member, which in turn is slightly smaller in pitch than the teeth cast on the center ring, I am enabled to get much better results than if the pitch of said teeth were the same throughout, in which event the valve would have to be con siderably larger in order for the operating handle to open it fully by a movement through an arc of 180.

By the provision of the telescoping, juxtaposed extensions of the valve members, with the spring between the latter, said valve members are always pressed tightly against their respective seats and maintained in proper position with respect to each other.

By the provision of the spring abutting against the operating post, its gear is al; ways retained in its proper relative position with respect to the valve pinion and the provision of the operating post packing gasket effectively prevents leakage, there being no packing boxes or glands necessaryin my construction and the valves are self grinding during their normal operation.

It will now be apparent that I have devised a novel and useful valve which embodies the features of advantage enumerated as desirable in the statement of the invention and the above description, and while 11 I have, in the present instance, shown and described a preferred embodiment thereof which will give in practice satisfactory and reliable results, it is to be understood that such embodiment is susceptible of modification in various particulars without departing from the spirit or scope of the invention or sacrificing any of its advantages.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is z- 1. In a valve, a casing having inlet and outlet openings and provided with an internal rack, valves for controlling said open ings, a spring intermediate said valves, a

pinion formed on one of said valves and in mesh with said rack, an operating post journalled in said casing and a gear carried by said operating post and in mesh with said pinion.

2. In a valve, a casing having inlet and outlet openings and provided with an internal rack, valves for controlling said openings, a spring intermediate said valves, a pinion formed on one of said valves and in mesh with said rack, an operating post journalled in said casing and a gear carried by said operating post and in mesh with said pinion, the pitch of the teeth of said gear being smaller than the pitch of the teeth of said pinion, and the pitch of the teeth of said pinion being smaller than the pitch of the teeth of said rack.

8. In a valve, a casing having aligning inlet and outlet openings and provided with an internal rack, valves for controlling said openings, a spring intermediate said valves, a pinion formed on one of said valves and in mesh with said rack, an operating post journalled in said casing, a gear carried by said operating post and in mesh with said pinion, a seat in said post and a spring located in said seat and contacting with said casing.

4. In a valve, a casing having aligning inlet and outlet openings and provided with an internal rack, valves for controlling said openings, and provided with telescoping extensions for retaining said valves in proper juxtaposition, a spring intermediate said valves, a pinion on one of said valves and in mesh with said rack, an operating post j ournalled in said casing, a gear on said post in mesh with said pinion, a spring intermediate said post and easing, a bearing in said casing for said post and a packing gasket for said post.

5. In a valve, a top bonnet, a bottom bonnet, a center ring intermediate of said bonnets, fastening devices common to said bonnets and ring, valve seats formed on the inner juxtaposed faces of said bonnets, valvular members engaging said seats, a spring intermediate said valvular members, an internal rack formed on said center ring, a pinion formed on one of said valvular members and in mesh with said rack, an operating post rotatably mounted in one of said bonnets, and a gear on said post and in mesh with said pinion on said valvular member for operating the latter.

6. In a valve, a top bonnet, a bottom bonnet, a center ring intermediate of said bonnets, fastening devices common to said bonnets and ring, valve seats formed on the inner juxtaposed faces of said bonnets, valvular members engaging said seats, a spring intermediate said valvular members, an internal rack formed on said center ring, a pinion formed on one of said valvular members and in mesh with said rack, an operating post rotatably mounted in one of said bonnets, and a gear on said post and in mesh with said pinion on said valvular member for operating the latter, the pitch of the teeth of said gear being smaller than the pitch vof the teeth of said pinion, and the pitch of the teeth of said pinion, being smaller than the pitch of the teeth of said rack.

GEORGE P. HAYNES.

lVitnesses M. R. KEEFE, A. KLAMROTH.

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