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Патент USA US2134277

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Patented Oct. 25, 1938
" 2,134,277
VALVE Mnonnmsm
Charles W. Sproull and Leon J. Vetrano, ' -
Houston, Tex.
Application July 23, 1936, Serial No. 92,106
4 Claims.
(Cl. 251-51)
end of the section 5 by means of the clamp plate
This invention relates to a valve mechanism
14 through which the rod l0 extends and the
and has particular relation to that type of valve ' valve parts are'held ?rmly clamped together by
mechanism adapted to be connected into a liquid the clamp nut l5 which is threaded on to the rod
conducting line and whereby the line may be
l0 and abuts the clamp plate M. The valve
_5 opened and closed, the valve being equipped with section Shas a ?owway l6 therethrough. The
a novel type of packing to prevent leakage.
margins of the cup rings 1 and iii are over
It is another object ofithe invention to pro
turned ‘toward each other as shown in Figure 2
vide valve mechanism of the character described and ?t closely within the valve casing l. Inlet
embodying a casing connected into a ?uid con
and outlet lines l1, l8 are connected into the 10
valve casing. When it is desired to close the
10 ducting line and a valve movably mounted in the
casing and having a flowway therethrough which valve the nut 8 maybe turned in an appropriate
may be moved into and out of registration with direction to move the ?owway I6 out of registra
the line to open and close the valve, said valve tion with the lines l1, Hi. When the valve reach
being equipped with novel packing means to'pre- _
vent leakage past the valve when it is in closed
With the 9390ve and other objects in view, the
invention has particular relation to certain novel
features of construction, operation and arrange
ment of parts, an example of which is given in
es the limit of its movement as shown invFigure 2, 15
the cup ring ‘I will completely span the in?ow
line I‘! which carries the liquid under pressure
and the cup ring ‘I will form a seal entirely
around the valve casing and across the path of
the oncoming flow so as to prevent any leakage 20
past the valve. The cup ring l3 will also form
a seal entirely around the valve casing opposite
this speci?cation and illustrated in the accom
panying drawings, w herein:
the cup ring 1 so that there can‘ be no leakage
Figure 1 shows an e levational view of the valve ' past the valve when the valve is closed.
shown partly in section.
The cap 3 is secured in place by means of 25
Figure 2 shows a vertical sectional view taken
a set screw l9. It will be noted that on the
at right angles of the view shown in Figure 1.
opposite side ‘of the valve casing there is an
Figure 3 shows an elevational view partly in opening 20. Should the grit in the ?uid cut
section of a modi?ed form of the valve.
Figure 4 shows a vertical view thereof taken
30 at right angles to the form shown in Figure 3,
Figure 5 shows a cross sectional view of the
form shown in Figure 4.
Refering now more particularly to the drawr
ings wherein like numerals of reference designate
out or wear the material of the valve casing
around the inlet opening the set screw l9 may 30
be removed and the cap 3 and valve assembly
given a half turn and the valve casing I then
reversed in its position with respect to the lines
ll and I8 so that the original outlet opening
of the casing will become the inlet opening and 35
the mechanism in effect thus renewed. The set
the same parts in each of the ?gures the numeral
I designates a valve casing which is preferably
screw 19 may then be reinserted through the
opening 20 and’ screwed into place.
cylindrical in form. This casing is permanently
In the form shown in Figures 3 and 4vthe
closed at one end 2 and is closed at its other end valve 2| is substantially cylindrical and is ?tted 40
by the cap 3 which is screwed therein and is closely into the casing i. In this form the valve
provided with a leak- duct 4. In the form shown is provided also with the cup ring l3 which is
in Figures 1 and 2 the valve proper is formed clamped against the end of the valve by the
of two sections 5, 6 whose abutting faces are clamp plate l4, said clamp plate being secured.
diagonal and a cap shaped packing ‘I is ?tted in position on the rod [0 by the clamp nut 15 4
between said sections. There is an actuating nut as in the other ?gures. The form shown-in
8 which has a swivelling connection with the cap Figures 3 and 4 differ, however from that shown
3 which is turnable by means oi the hand .wheel in Figures 1 and 2 in that there is a cup ring 1a.
An actuating rod Ill has its outer end corre
spondingly threaded through the nut 8 and is
keyed against turning relative to the cap 4 by the
countersunk into the side of the valve 2| .and .
surrounding the inlet opening from the inlet/5'
line H. This cup ring 1a is anchored securely '_
key N whose inner end projects into the longi
in place by a clamp plate 22 which clamps
tudinal keyway l2 in said rod. The inner end a thereagainst and is secured to the valve by the
of the rod Ill is blank and is ?tted snugly through set bolt 23. This cup ring ‘la prevents any leak
the section 5 of the valve and is screwed into the of the oncoming ?uid aroundthe valve. when
I3 is clamped on the outer
section 6. A cup ring
the valve is closed and the cup ring [3 in all
of the forms prevents the leakage of liquid up
past the valve into the valve casing. In the
form shown in Figures 3 and 4 the valve 2|
has the ?owway l5 as in the other ?gures.
in closed position, said packing being su?iciently
may then be reversed with respect to the inlet
and out?ow lines as hereinabove explained and
3. ‘A valve mechanism comprising a valve cas
ing having an inlet opening and an outlet open
spaced from the end of the valve and having an
overturned margin directed toward the inlet
opening, when the valve is in closed position and
being ?exible and ?tting closely against the wall
In case the material around the inlet opening of the casing around the inlet opening, said mar
of the form shown in Figures 3 and 4 should gin being exposed to the outward pressure of the
become out out or worn away by the grit in the liquid whereby it is held closely against said wall
oncoming ?uid, the valve assembly may be given
10 a half turn in the valve casing in the manner. the end of the valve spaced from said packing
being adapted to close said inlet before the pack
hereinabove explained in connection with the ing reaches a position where it will be impinged 10
description of Figures 1 and 2 and the casing by direct ?ow of ?uid.
the valve thus renewed.
ing, a valve slidable in the casing and movable
The valve 2| in the form shown in Figures 3 across the inlet opening into one position to close 15
and 4 is actuated in the, manner similar to that _' the inlet opening and into another position to
explained in connection with the explanation of open said inlet opening, said valve having a
the operation of the type of valve disclosed in recess in the side thereof adjacent the inlet open
20 Figures 1 and 2.
ing, annular packing in said recess having an
The drawings and description disclose what is annular, inwardly turned, ?exible margin ar-‘ 20
now considered to be a preferred form of the ranged to ?t closely against the adjacent wall of
invention by way of illustration. only while the the casing and to closely surround the inlet open
broad principle of the invention will be de?ned ving when the valve is in closed position, said
by the appended claims.
packing being sumciently spaced from the for 25
What we claim is:
ward end of the valve so that as\the valve is
1. A valve mechanism comprising a valve cas
moved to closed position the inlet will be closed
ing having an inlet opening and an outlet open
by said forward end before the packing reaches
ing, a valve movable longitudinally in the casing a position where it will be impinged by direct
30 into active position to close the inlet opening
and into inactive position to clear said inlet
4. A valve mechanism comprising a valve cas
opening, means for so moving the valve, said ing having an inlet opening, a valve in the casing
valve having a packing countersunk into one having a side recess movable longitudinally of
side thereof and formed with a ?exible margin 'the‘casing and across the inlet.opening into one
overturned toward said inlet opening and ar
position to close said opening'and into another 35
ranged to ?t constantly closely against the ad
position to open said inlet opening, means for
jacent wall of the casing and. to surround the moving the valve into either of said positions,
inlet opening when vthe valve is in said active said valve having a packing in said recess whose
position, the material of the valve being extended margin is outwardly thickened to contact with '
beyond the packing, and being thus effective to
close said inlet opening, as the valve'is moved
toward active position, before the packing
reaches a position where it is impinged by direct
flow of ?uid.
2. A valve mechanism comprising a cylindrical
valve casing having an inlet and an outlet open
ing, a cylindrical valve ?tted snugly in the cas
ing and movable longitudinally thereof into one
position to close said openings ,and into another
position to clear said openings, the side of the
valve adjacent the inlet opening having an ap
proximately circular countersunk recess therein,
a packing ?tted into the recess and completely
surrounding the inlet opening when the valve is
the casing wall and approximately ?ush-with
the surface of the valve to ,?t closely against the 40
inside wall of the casing, said packing being
shaped to surround 'said inlet opening and to ?t
closely against the wall of the casing around and
adjacent said opening when the valve is in posi 45
tion to close said opening, said packing having 1
an inturned margin and spaced su?lciently from,
the forward end of the valve so that as the ‘valve
is moved to clos'v position the‘ inlet will be
closed by said forward end before the packing
reaches a position where it will be impinged by 50
direct ?ow of ?uid.
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