US1244286A - Valve. - Google Patents

Description

J. C. BREINL VALVE.

APPLICATION FILED MAY 24. 1916..

Patented Oct. 23

' FILE ID F/ES F/Ef

J00. IBBEINL, OF SAN FRANCISCO, CALIFORNIA.

' VALVE.

To all whom it may concern: Be it known that I, J osarn C. Bnamn, a

. subject of the Emperor of Austria, res1d flowing underneath the valve and raising ing at San Francisco,,in the county of San Francisco and State of California, have invented new and useful Improvements m Valves, of which the following is a specification.

The present inventionrelates to improvements in that class of valves which are raised from seats by thepressure of fluids them against a stop, and the primary object of the invention is the provision of a guide plate, which, fastened to'a center bolt, and welded to the valve plate, assures the latter a lateral rigidity, and, by welding at points on the marginal section between connecting arms, permits the lift of the valve plate to be suflicientlyhlgh without unduly straining the material, and also which, by being disposed between the valve plate and the stop p ate, serves as a cushion to reduce the force .ofthe impact at the end of the lifting motion.

In the accompanying drawing, Figure 1 is a vertical section of one form of my mvention; Figs. 2, 3, land 5 are plan views of separate parts thereof; Figs. 6 and 7 are sectional views on the lines 6-6, 77 respectively of Fig. 4: and Figs. 8, 9, 10, 11- and 12 are views similar to Figs. 1, 2, 3, land 5 respectively of another form of the invention.

On referring to the drawing, it will be seen that my improved valve 1 comprises a valve seat V, a valve plate P, a combined ide and. .cush en, P ate (t, a st p P 8 all dfwhi ch arejeiranar; a bolt B screwed into the valve seat, a washer'W on; said bolt between the valve seat and the valve stop,

and a nut N on said bolt. A dowel pin D through the parts s, 'W and V secures the parts against relative rotation. The valve seat V, of known form, has two c'oncentnc series of uniformly arranged seat openings 0 and a small threaded central opening a to receive the bolt B. The openings of each series are separated from each 'other by ribs 1'. The lower portions of said openings flare downwardly, as shown at Z. Resting upon the valve seat is a circular sheet metal valve plate P which is formed with a circular series of arcuate slots 8 registering with the parts ofthe seat between the two series of openings 0 therein, and with a large Specification of Letters Patent. 7

Application med May at, 1916. Serial no. eaeea' plates are surrounded with lubricatiii cular series of arcuate slots f and with a small central opening 9 to fit in a recess in Patented Oct. as, 1917, I

the washer W. It has also a circular' se-.

ries of openings h between the central openmg g and the arcuate slots f The parts of the combined guide and cushion plate between these arcuate slots f and between the openings h'thus form armsa connecting the central and marginal portions ofthe guide plate. Said plate G is welded to the valve plate P at pairs of points ;0 about midway between theouter portions'of the arms a. The arms a are arranged tangentially, and this arrangement, together with the fact that the outer ends of'said arms, being connected-to the ring R midway between the welding oints p, can themselves be raised from tlib valve plate P, permits the lift of the valve to be very eat without undue'strain upon the materia bent by said lifting.- The combined guide and cushion plate is given a permanent bend out of the plane of the plate in the parts of the ring etween the points where said ring is connected to the guide and cushion plate and also inthe arms a. This permanent bend provides a resilient connection between the periphery and the center of the guide plate the flat surface of the valve plate and serves to cushion the valve at the end of its lifting motion and is interposed between the valve plate and the stop plateat the end of v the ascent of the valve plate, and this is particularly the case because in operation the surfaces of'thevalve,,cushion and sto 011 which acts as a bufi'er on the surfaces w "ch approach each other. Since it is important to very carefully center the valve plate with reference to the' valve opening, and since the guide and cushion plate is made out of very thin material, the hubof said plate is,

as before referred to, centeredin a recess of the lift washer W, and for the purpose of' centering the guide and cushion plate still more accurately itmay be welded to said washer. 7

The stop plate S which limits the rising movement of the valve, ispunched out of a sheet material, or is made of cast metal,

and is otherwise formed similarly to said.

arecorrespondingly formed except that the guide and cushion plate G is in the form of a ring R having a central hub it connected to said ring by tangentially extending arms a'.. Said guide and cushion plate G is welded to the valve plate R at points p midway between the points of connection of the arms a and also at points a at the inner ends of inward extensions 0 from the ring. This construction is adapted for larger valves. In this case also, it is desirable to provide recesses '12 to receive coiled springs m which are of a strength suitable for closing the valve on its seat. In this form of the invention the parts of the ring between the welded points p need not be permanently bent, as in the form of the invention first described, since it is not necessary that the arms a and the parts of the ring R should have suflicient spring force to press the valve to its seat, but this is eflected by the coiled springs :12.

I claim: 1 A valve comprising a valve seat, a valve plate thereon, a guide plate of spring material secured to the valve plate, a stop plate, and means connecting said valve seat and stop plate, the outer portion of the guide plate being secured to the valve plate at spaced points only thereof and the central portion of the guide plate being secured to the valve seat, said guide plate having parts connecting its central and marginal portions and openings between said parts, said connecting parts being arranged obliquely to the marginal and central parts to permit a high hit of the valve plate from the valve seat. I

2. A' valve comprising a valve seat, a valve plate thereon, a'combined guide and cushion plate of spring material secured to the valve plate, a stop plate, means connecting said valve seat and stop plate, the outer portion of the guide plate being secured to the valve plate at spaced points only thereof and the central portion of the guide and cushion plate being secured to the valve seat, said guide plate having parts connecting the central and marginal portions and openings between said parts, and

the marginal portions between said spaced points being set out of the plane of the remainder to give said first-named marginal parts an inherent resiliency tending to close the valve plate upon the seat plate.

3. A valve, comprising a valve seat, a

valve plate, a stop plate, means connecting said valve seat and stop plate, and a cushioning guide plate of spring material com-' prising a central portion secured to the valve seat, a peripheral rin attached at spaced points only to the va ve plate, and arms extending from the central portion'of the guide plate and connected with said ring at pomts remote from its points of attachment to the valve plate, whereby said arms move from the val've'plate with a lift- 1ng motion, and said guide plate serves as a cushion and insures a parallel opening movement and lateral rigidity of the valve.

4. A valve, comprising a valve seat, 'a valve plate, a stop plate, means connecting sald valve seat and stop plate, and a cushloning guide plate of spring material comprising a, central portion secured to the valve seat, a peripheral ring attached at spaced points only to the valve plate, and arms ex-' tending from the central portion of the guide plate and connected with said ring at points remote from its points of attachment to the valve plate, whereby said arms move from the valve plate with a lifting motion out of the plane of the remainder to ive said lifting parts a spring tension ten ing to close the valve, and said guide plate serves as a. cushion and insures a parallel opening movement and lateral rigidity of the valve.

5. A valve, comprising a valve seat, a valve plate, a stop plate, means connecting said valve seat and stop plate, a cushioning 1:3. guide plate of spring material comprising a central portion secured to the valve seat, a peripheral ring attached at spaced points only to the valve plate, and arms extending from the central portion of the guide plate and connected with said ring at points remote from its points of attachment to the valve plate, whereby said arms move from the valve plate with alifting motion, and said guide plate serves as a cushion and in sures a parallel opening movement and lateral rigidity of the valve, and springs pressing against the cushioning guide plate.

6. A valve, comprising a valve seat, a valve plate, a stop plate, means connecting said valve seat and stop plate, and a cushioning guide plate of spring material comprising a central portion secured to the valve seat, a peripheral rin attached at spaced points only to the va ve plate, and armsextending from the central portion of the guide plate and connected with said ring at points remote from its points of attachment to the valve plate, whereby parts of said peripheral ring disposed between the 1:5 :11 spaced points together with the connecting arms move from the valve plate with a lifting motion, and said guide plate serves as a cushion and insures a parallel opening movement and lateral rigidity of the valve.

7. A valve, comprising a, valve seat, a

valve plate, a stop plate, means connectmg said valve seat and stop plate, and a cushioning guide plate of spring material comprising a central portion secured to the valve seat, a peripheral ring attached at' spaced points only to the valve plate, and arms extending from the central portion of the guide plate and connected with said rin at points remote from its point of at tac ent to the valve plate, whereby parts of said peripheral ring disposed between the spaced points together with the connecting arms are set out of the plane of the remainder to give said lifting parts a spring tension .tendlng to close the valve, whereby these lifting parts move from the valve plate with a lifting motion, and said guide.

plate serves as a cushion and insures a parallel opening movement and lateral ri-v gidity of the valve.

8. A valve, comprising a valve seat, a

valve plate, a stop plate, means connecting said'valve seat and stop plate, a cushioning guide plate of spring material comprising a central portion secured to the valve seat, a peripheral ring attached at spaced points only to the valve plate, and armsextending gether with the connectin arms move from v the valve plate with a li ing motion, and said guide plate serves asa cushion and msures a parallel opening movement and lateral rigidity of the valve, and springs pressing against-the cushioning guide plate.

In testimony whereof I have hereunto set my hand in thepresence of two subscribing witnesses. p JOSEPH C. BREINL. I

'Witnesses: F. M. WRIGHT,

' D. B. RICHARDS.

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