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Патент USA US2412918

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'
D¢¢.17,1946.
C_ESLADKY,
BUTTERFLY VALVE
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2,412,918
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Patented Dec. 17, 1946
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2,412,918
UNITED STATES laßlrnnfr> OFFICE]
‘
BUTTERFLY VALVE ‘
Charles E. Sladky,`Parma Heights, Ohio, assigner
to. The North `American Manufacturing 'Com
pany,- Cleveland, Ohio, a. corporation of Ohio
'Application November 20, 1944»,`Serîa'1l` No. 564,258
13V claims.
(C1. 251---11`ly
1
This invention relates to valve devices, suchas
are used for controlling iiuidilow through acon
duit.
`
,
2
` it is‘impossible to match the `valve port with the
downstream conditions, because ffrequently‘the
port size is either too large or too small for the>
particular system of which the valve formsV a
,
. » Onev object of the invention‘is topprovide an im
proved valve device which is readily adjustable to
part. vIn the` present arrangement the `valve de
vary the size of the valve port or opening, there->
vices include m'eans for varyingthe port‘size, as
by readily to match the port size with the down
stream conditions in such a way as to obtain bet
ter ñow characteristics than. when the port is of
ñxed size.
Still another object is to .provide an improved
butterñy valve having an adjustable port open
ing, together with means operatable `from the
outside of the conduit for causing all necessary
will: now appear.
'
‘
‘
‘
îIn the’body or casing Vis mounted a cross shaft
3., to one end of which is connected suitable cp
eratingmeans, such as an arm 4 capable` of actu
` ation manually or automatically so as to :adjust
the valve back and forth between its> extreme
open and closed-positions, or to any intermediate
position that may be desirable or necessary. On
adjustment.
'
15 thel shaft-are ‘mounted a single central disc 'mem
Another object is to provide an adjustable valve
ber 5 and one »or more rings 6; Both the disc and
of the character described in which the adjust
the rings are generally or" sheet form, with the
ment may be accomplished Without affecting or
metal thereof `as thin as possible to reduce weight.
being affected by any of the usual valve operat
Each of the disc and rings fis also provided with
ing devices. .
20 a hub portion 1 sleeve‘dupon the shaft 3. The
Further objects ofthe invention in part are ob..
central disc 5fi`s Apermanently and iixedly con
vious and in part will appear more in detail here
nected to the shaft, as by. crosspins la, bnt‘the
inafter.
rings are free to turn upon the Ashaft at the hub
In the drawing,
i
Fig. l is a longitudinal sectional elevation.v 25
thereof, except as hereinafter specified. i
Figs. 1 to 3 inclusive show a single central disc
5 and a single ring 6. .Means is provided for
ñrmlyañixing the ring either to the disc or to
Fig. 2 is a cross section on the line 2_2, Fig. `l;
the body, and preferably of such form as to en
Fig, 3 is a view corresponding to Fig. 2 and
able- the appropriate connection to be established
showing another arrangement ofthe parts; and 30 by manipulation from the outside of the conduit
Fig. 4 is a view, corresponding to Fig. 2,-and
after the valve has4 been ñnally connected or as
showing another form of valve device embodying
sembled in the Iiow system of which it forms a
the invention.>
,
i
part. In the arrangement shown. the disc 5 and
While the invention is capable oi’ use for con
ring E are. provided. `with radially extending
trolling the ñow of any kind of ñuid through a 35 aligned tubular bosses 8, ¿9, the latter internally
conduit, i. e., either liquid or gas, it is more par
threaded, as at` HJ. Inthe closed position of the
ticularly adapted for controlling gas flow, such as
valve, as shown in Fig. l, the openings in the two
the flow of either fuel gas or air, and the draw
bosses areA aligned with each other and with an
ings illustrate such a construction, butin no sense
opening lâ in the body member l, Through this
of limitation of the invention thereto.
40 opening `i l may be: inserted and manipulated, as
- through a conduit section to which the invention
has been applied;
The valve mechanism illustrated includes a
hol'ow body l, of generally- ring or tubular form,
by a screw driver. a plug l2 having a screw driver
slot lf3 at its outer end and aplain extensionv I4
designed to be inserted into or form a part of a
at its. inner end. The` b_ody or the plug l2 is
fluid conduit, for which purpose, for example, `it
threaded. to correspond with the threads l0, By
may be provided at opposite ends with threads 45 adjusting the nlug t2 to the position shown in
2 for the attachment of pipe sections (not shown).
Fig. .3 no part oi it enters; the opening inthe disc
thereto. The valve device, itself, is of butterñy
5, but. itsf head lies. in the opening l l of the body,
form. That is, it includes a circular disc pivoted
and its central body‘portion lies in the` opening of
to turn abouta diametrical axis to open or closed
the ring E. Consequently the ring is: firmly an
positions, or to any intermediate position. The
chored to. the tubular. bodyl l:
forms a. part
valve disc of the usual butterfly valve for the pur
thereof, andtheswinging valve includesthe cen»A
pose is of substantially the full inside diameter of
tral dìsclâ alone». The‘port opening consequently
the body or member in which itr is mounted to
is circular and with the samediameter als that
swing, so that the port opening is the .full pipe
of the disc..
`
‘
,
’
size and invariable. With such an arrangement 55 If, forany-` reason, a, larger> port opening-is'` de,
i 2,412,918
3
4
,
surrounding said disc and in’coaxial and coplanar
sirable, the plug I2 may be screwedinto the posi
relationship therewith when disposed orosswise
tion shown in Fig. 1, in which its inner plain end n
enters the opening in the tubular boss of the disc
5 and Yits head is withdrawn entirely from the
opening II in the body I. Now, the ring and disc
of the body, and locking means mounted on the
ring and adjustable thereon into engagement
with the valve body for holding the ring sta
tionary.
6. Valve mechanism of the character described,
are ñrmly anchored together and the port open
ing is circular with the same ldiameter as the ex
` ternal diameter of, the ring.
,_'cïior'nprisingï> a tubular valve body having a fluid
The valve mechanism may include any desired
Acòn‘ducting " channel, a diametrical. cross shaft
_rotatably mounted in said body, a valve disc
number of washer-form rings, surrounding a sin-7
gle circular disc. For example, in the arrange-ff 1Aaffixed to said shaft and concentric with the
ment shown in Fig. 4, I have provided a; valve( 'tubular ¿body when disposed orosswise thereof, a
ring surrounding said disc and in coaxial- and
device including a central disc 5 and two`rings
'6, 6a. Here I employ two threaded plugs I2, I2a, ï ,coplanar relationship therewith Ywhen kdisposed
'gcro'sswisef of. the body,
working in threads of the tubulai- bosses of the
ring and disc. These plugs may be adjusted to
various positions.
and
locking
means
"mounted'on the ring and adjustable thereon.
For example, as shown, plug _ ,Y transversely to the length of the shaft into en
I 2 crosses the joint between the disc 5 and the
gagement with the valve body for holding the
ring 6, and anchors them together, while plug'v I2a _' ‘
ring stationary.
crosses the joint between the ring Ea and the 20
body I, and anchors them together. .'But, by
7. Valve mechanism ofthe character described,
‘comprising a tubular Valve body having a fluid
conducting channel, a diametrical cross shaft
rotatably mounted in said body, a valve disc af
other- adjustments of saidv plugs the ring 6 may
be anchored tering 6a and the `two rings 6, 6a,
thus joined, may be anchored eitherÁ to the body
ñxed to said shaft and concentric'with the tubu
I or to the‘disc 5, giving three possiblesizes vof 25 lar-body when disposed orosswise thereof, a ring
Vvalve port, >with operation as before.
.surrounding said disc and in coaxial and col
The arrangement described is of simple con
planar relationship therewith when disposed
struction, oan beY manufactured and sold at low
orosswise -` of
costjis capable ofconvenient adjustment from
the ' body,` and
locking
means
mounted on the ring and adjustable thereon into
the outside of the conduit, and is satisfactory in 30 engagement either with the disc or with the body
operation.
Y
for“, iìxing the ring to either thereof.
'
What I claim is:
.
i
8.' Valve mechanism of the character described,
l. Butterfly valve mechanism of the character
comprising a tubular valve body having a fluid
described, comprising Ya valve body having an
conducting channel, a diametrical cross shaft
opening'through which fluid may be conducted, a 35 rotatably mounted in said body, a valve disc
shaft extending‘across said opening, a valve disc
añixed to said shaft and concentric with the
aiiìxed to said shaft and movable therewith be
tween closed and open positions, va flat ring of
generally washer form surrounding said disc and
mounted for swinging movement about the shaft 40
axis, and means forafñxing said ring selectively
tubular body when disposed orosswise thereof,
a ring surrounding saiddiscand in coaxial and
coplanar Arelationship therewith when disposed
orosswise of the body, and locking means
mounted on theiring‘ and adjustable thereon into
either to the valve body or to the shaft for move
ment with said disc.
engagement either with the disc or with the body
for fixing the ring to either thereof, said means
2. Butterfly Valve ~mechanism, comprising a
.being adjustable in andirection transversely to
tubular body member having a cross shaft rotat
lably mounted therein, and a plurality of generally
circular flat valve members mounted upon said
tl’ïejlength of the shaft.
.
-` ' r9. Valve'mechanism of the character described, I
comprising a tubular valve body having a fluid
Aconducting channel, a diametrical cross shaft
rotatably mounted in said body, and Valve means
shaft in coaxial and coplanar relation, the inner
member being of disc form and ñxedly secured to
the shaft, and means operatable from the outside ' "
of the body member for securing an outer valve
member either immovably’ to the body member or
controlling fluid flow through said channel, com
prising disc and ring members mounted upon said
shaft in coplanar coaxial relation, and means op
eratable from the outside of the body and adjust
able along a line normal to the length of said
shaft and to the disc axis‘for iixing an outer one
of said members to the valve body and an inner
to the disc member for rotation therewith. „
'
’ ' 3'. In combination, a tubular body, a cross shaft
mounted therein, a series of disc and ring form
valve members mounted upon said shaft in co
axial coplanar relation, and means inclosed with
one thereof vto the shaft.
in the body and mounted lupon said members for
generally radial adjustment thereon to aiiix se
`
Y
l0. Valve mechanism Vof the character de
scribed, comprising a tubular valve body having
lected ones thereof to said shaft and others to
a fluid conducting channel, a diametrical cross
said body.
-shaft rotatably mounted in said body, and Valve
`
'
`
A
means controlling fluid flow through said chan
4. In combination, a tubular body, and a series
of washer' form andv disc -form valve members
mounted therein in coplanar coaxial relation, a
nel, comprising disc and ring members mounted
upon said shaft in coplanar coaxial'relation, said
rotatable cross shaft, and means for afñxing vary--`
65 body anddisc and ring members being provided
ing numbers of said members to said body to'be
with openings vwhich are aligned and-- -extend
immovable with respect thereto and others to said
shaft to be rotatable» _ therewith, to thereby
transversely tothe shaft when the disc and «ringl
members lie crosswise of said channel, and means
adjustable along lsaid openings forlocking a ring
vary'the effective’ area of the valve opening.
5. Valve mechanism of the character described,
comprising a tubular valve' body- having a ñuid
conducting channel,v a diametrical cross _shaft
rotatably mounted in said body, a valve disc af
fixed to said shaft and concentric with the tubul
lar-body when disposed orosswise thereof, a ring
member either to the shaft or to the body.
'
f> 11. Valve `mechanism of the character described,
comprising a tubular valve body having a fluid
conducting channel, a diametrical cross shaft
:15
rotatably mounted in said body, and valve means-
Vcontrolling fluid flow through said channeL-comí
5
2,412,918
prising disc and ring members mounted upon
said shaft in coplanar coaxial relation, said disc
and ring members being provided with radially
extending aligned threaded openings extending
transversely to the shaft, and threaded plug
means adjustable along said openings for locking
plug means adjustable along said openings for
locking a ring member to the body.
13. Valve mechanism of the character de~
scribed, comprising a tubular valve body having
Ul
a fluid conducting channel, a diametrifcal cross
shaft rotatably mounted in said body, and valve
means controlling fluid flow through said chan
nel, comprising disc and ring members mounted
scribed, comprising a tubular valve body having
upon said shaft in coplanar coaxial relation, said
a fluid conducting channel, a diametrical cross 10 disc and ring members being provided with
shaft rotatably mounted in said body, and valve
radially extending aligned threaded openings ex
means controlling fluid flow through said chan
tending transversely to the shaft, and threaded
nel, comprising disc and ring members mounted
plug means adjustable along said openings for
upon said shaft in coplanar coaxial relation, said
‘locking a ring member either to the shaft -or to
disc and ring members being provided with 15 the body.
I
radially extending aligned threaded openings ex
CHARLES
E.
SLADKY
tending transversely to the shaft, and threaded
a ring member to the shaft.
12. Valve mechanism of the character de
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