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Патент USA US2125445

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Aug; 2, 1938.
J. E. HoLvEcK
2,125,445
SPRAY„NOZZLE
Filed Feb. 5, 1937
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3 Sheets-Sheet l
JOSEPH EHOLVECK.
INVENTOR
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BYl
A TTORNE Y
I
Aug. 2, 1938.
J. E. HoLvEcK
'
2,125,445
SPRAY NOZZLE
` Filed Feb. s, 1937"
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JosEPH E. Hou/Eck. ¿I
IN VENTOR
BY
.
~
ATTORNEY
t
Patented Aug. 2, 1938 ' I
2,125,445
UNITED STATES
PATENT oFFicE
2.125.445
lsl'iuirr NozzLE
,
Joseph E. 'Hohech Grafton, Pa., assignor to
Worthington Pump and Machinery Corpora
tion, New York, N. Y., a corporation of Vir
glnia
n
Application February 5, 1.937,l Serial No. 124,214
3 Claims. (Cl. 299-153)
This invention relates to nozzles and more par-‘ l
form of the nozzle.
sheets in a rolling mill or analogous uses.
Fig. 13.
An object of the present invention is to provide
an improved spray nozzle which will deliver a pre
determined fan-shaped stream intact against any
desired surface in such manner as to obtain the
greatest possible efiiciency from the stream and
10 further to provide a nozzle of this type which is
simple in construction and comprises a single
nozzle disc which controls the liquid flow, where
by in case of wear or erosion of the nozzle replace
ment of only one element will be necessary.
Another object of the invention is to provide a
nozzle structure as speciiled which is so con
structed that a strainer for the liquid passing
therethrough may be ñrmly and securely attached
to the nozzle without requiring alterations in the
20 nozzle structure.
With these and .other objects in view, as may
. appear from the accompanying speciilcation, the
invention consists of various features of construc
tion and combination of parts, which will be nrst
25 described in connection with the accompanying
drawings, showing a spray nozzle of the preferred
form embodying the invention, and the features
forming the invention will be speciilcally pointed
out in the claims.
80
In the drawings:
_ .
~
Fig. 15 is a cross section on the line I 5-I5 of
-
Fig. 16 is aside elevation of the strainer.
Fig. 17 is a bottom View of the strainer.
Referring to the drawings the improved spray
nozzle comprises a body I which has a fluid pas-
sage 2 extending longitudinally therethrough.v
The duid passage 2 isl of uniform diameter 10
throughout its length and opens out through the
threaded stem or end 3 of the body. The nozzle
body I is attached to a supply pipe (not shown)
by the threaded stem or end 3. The central por
tion of the body I has a wrench head 4 formed
thereon and the portion of the body on the oppo
site side of the wrench head l from the stem 3 is
threaded as shown at 5 for threadably receiving
the cap 6. The cap 6 is threaded onto the body I
for securely attaching the nozzle disc 1 to .the 20
body. The nomle disc 'l is circular in cross sec
tional shape and is of uniform diameter for a
portion of its thickness, its remaining portion
gradually decreasing in cross sectional area or
tapering as shown at 8. 'I'he tapered portion 8 is 25
engaged by the walls of the tapered opening 9
formed in the end of the cap 6 so that the nozzle
disc 'I may be tightly clamped in place against the
outlet end of the nozzle body I.
l
Fig. 1 is a side elevation of the nozzle illustrat
'as
Fig. 14 is a bottom end view of the modified
ticularly to spray nozzles adapted for cleaning
work, such as the cleaning or descaling of metal
ì
The nomle disc ‘I is formed all in one piece and 30
has a iluid passage I0 extending therethrough
ing the broad side of the spray.
which is shaped in a particular manner as here
Fig. 2 is a side elevation oi'- the nozzle illustrat- v inafter described for controlling the flow of fluid
ing the narrow side or edge of the spray. '
‘therethrough and shaping the fluid to provide a
Fig. 3 is an end view of the nozzle.
Fig. 4 is a longitudinal section through the
nozzle taken on the line 4_4 of Fig. 3. '
Fig. 5 is a longitudinal section through the
nozzle similar to Fig. 4 only showing the strainer
in place.
fan-like stream as clearly shown in Figs. 1 and 2 35
of the-drawings.' '
The iluid passage III is circular in shape at its
entrance II as clearly shown in Fig. 6 of the draw
ings and it _tapers inwardly, decreasing in cross
.
'sectional area for a predetermined portion of its 40
Fig. 6 is an end view of the inlet end of the . length, terminating at this ilrst stage decreasing
nozzle disc.
Fig. 7 is a cross section through the nozzle disc
taken on the line 1-1 of Fig. 6.
45 Mg. 8 is a cross section through the nozzle disc
taken on the line 8-8 of Fig. 6.
-
,
Fig.4 9 is an end view of the nozzle disc showing
its outlet end.v
50
,
Figs. 10, 11 and 12, are diagrammatic views
illustrating the manner of forming and the shapes
of the outlet ends of the iiuid passage of the
nozzle disc.
l
Fig. 13 is a longitudinal section through a modi
55 fled forni of the nozzle.
-
portion of the opening in substantially oval shape,
as shown at I2. From the point at which the de
creasing of the inlet portion of the water passage
III through to the outlet Il, the fluid passage 45
gradually decreases in one cross sectional dimen
sion and increases in another cross sectional dl
mension, as shown by the sectional views, Figs. 7
and 8, providing an elongated oval-shaped outlet
opening the ends of which are rounded on rela 50
tively small radii so as to control the shape and
size of the stream of iluid ejected from the nozzle.
For diiîerent purposes the shape of the outlet
end of the fluid passage I0 is varied, and Figs. 10 Y
to 12 inclusive of the drawings illustrate diñerent 55
2
2,125,445
shapes o_f such iinal outlet openings and also illus
nozzle disc 1 and against the outlet end of the
trate the manner in which the shape' of these
body I, being clamped securely and ñrmly in place
openings are derived at.
by the cap 6, thereby permitting the attachment
For example, in Fig. 10 of the drawings a rela " of the strainer I5 to the nozzle when desired with
tively narrow outlet opening is illustrated which out requiring any alterations in the nozzle struc
increases in width from the ends of the opening ture.
As clearly shown in Figs. 5 and 16 the perfo
in predetermined gradual increments through
rated strainer I5 gradually increases in diameter
predetermined sections of the length of the open
ing. As for example, the width of the opening at to its inner or outlet end and it opens out through
C has increased a predetermined amount through a passage I9 in the disc l1 to the iiuid passage III 10
the first section B from the end of the opening in the nozzle disc 1.
In Figs. 13 to 15 inclusive a slight modifica
while the width through the> second section B
tion of the invention is shown in which the body
of the length of the opening has increased a pre
I', nozzle disc 1’ and strainer structure I5' are
determined amount as, i’or instance, the first
15 width C plus 4. Through the third section of the all the same as the respective structures -shown in 15
length of the opening the increase in the width the preferred form of the invention. However,
of the opening is of the. same ratio as through the cap 6’ is slightly diiîerent in construction in
that the outer surface of its lower end is threaded
.the second section, that is, the width of the open
ing at the innermost end of this third section is as shown at 30 to threadably receive the shut-oí
20 C plus 4, plus 4. From the innermost end of the cap 3|. The shut-0H cap 3| which is provided 20
third section of the length of the opening to the with finger or gripping projections 32 about its
center the portion of increase in the width is perimeter is threaded upon the threaded end 30 of
substantially one-half of the portion of increase the cap 6' and its inner ilnished flat surface 32
through the first, second and third sections: B of fits tightly against the outlet end of the nozzle
25 the length, that is, the width of the opening at its A disc 1’ for cutting oñ the ñow of fluid through
cross sectional center is C plus 4, plus 4, plus 2. the nozzle disc 1'. Leakage-receiving annular
In Fig. 1l substantially the same ratio of in
' crease .in the width of the opening is carried out
as is carried out in the shape of opening shown
~1 30
in Fig. 10 except that through the third section
of the length of the opening the width of the
opening is increased substantially only one-half`
«channel or groove 33 is formed in the shut-01T cap
3| about the finished `surface 32 for receiving any
leakage of fluid from the nozzle and suitable drain
openings 34 are provided for draining the chan 30
nel 33.
From the foregoing description taken in con--
of the amount of increase in width through the
nection with the accompanying drawings it will
first and second sections B' of the length.
This
be apparent that the assembly of `the nozzle is
the spirit of the present invention, the present
rangement of parts shown but that they may be
.widely modified within the invention defined by
36 provides an opening which increases relatively quite simple consisting merely in the placing of
rapidly in width for substantially one-quarter of I a nozzle disc 1 in the cap E and the threading of
its length from its ends and then decreases more this cap on the threaded end 5 of the body | or
gradually through the inner or intermediate in instances where it is desired to use the strainer
quarter of its length, resulting in a wider and I5, the strainer is placed with the disc |1 resting
upon the nozzle disc 1 before the cap 6 is threaded
40 -more compact stream. In Fig. l2 a slightly dif
on the body |. The threading of the cap 6 on the
' ferent ratio of increase in the width of the open
ing is provided throughout the various sections of body | brings the strainer and the nozzle disc 1
.
the length and in this ligure
the radii of the circle ,. in proper position and securely ‘and ñrmly holds
at the ends of the opening are much greater than them there. The only Water'. passage in the
45 those of the circles at the ends of the openings in nozzle which is subjected to Wear or erosion is in
. Figs. 10 and 11, and the opening _assumes a more the nozzle disc 1, so that in case of excessive wear
perfect oval with substantially the same degree of which might interfere with the effectiveness of
ì increase through the first three sections B" with the nozzle it is only necessary to replace the nozzle
a greater reduced increase in width through the disc which is a single standardized unit, or if it is
50 central sections B’. The threeKFigs. l0 to l2 in
desired to change the size or s_hape of the fan 50
clusive, illustrate three different-shapes of out
Alike stream issuing from the nozzle a nozzle disc
let openings and the _manners of arriving at such
shapes to provide the desired shape of the stream having the desired shape of outlet for the fluid
passage may be substituted with a minimum
ejected forthe particular purpose desired: How
55
55 ever, it is to- be understood that' other ratlos of effort and at a minimumexpense.
increase in width than those `shown in thesev > It will be understood that the invention is not
views may be employed without departing from to be limited to the specific construction or ar
invention embodying the idea of increasing the
60 width of the outlet end of the fluid passage
-through the nozzle disc in gradually increasing
predetermined increments through regular pre
_ determined sections of the length of the opening
and providing such outlet openings with rounded
65 ends in most instances but de_viatlng in this
specific feature if necessary or desired.
In Fig. 5 of the drawings a strainer I5 is shown
for straining the fluid passing through the nozzle.
This strainer I5 which is shown in side elevation
70 in Fig. 1'7 of the drawings comprises a perfo
rated sheeft of metal rolled to form a perforated
tube which has its outer end closed by a vcap I6.
A disc I1 is suitably attached to the inner end
the claims.
`
60
What is claimed is:
1. .In a spray nozzle, a nozzle disc for deliver
ing a fan-like spray-of iiuid having a ñuid passage I
therethrough, substantially circular in cross
sectional shape at its .en_trance and gradually
decreasing in cross-sectional area for a predeter
mined portiolr of its length, said decreasing of
cross-sectional area being greater on one diam
eter of the opening whereby the circular fluid
passage will gradually .merge into a substantially 70
oval passage of reduced cross-sectional area, said
iiuid passage gradually increasing in one cross
sectional dimension and decreasing in another
ofthe strainer I5 and the disc I1 has aflange I 8 . cross-sectional dimension outwardly from the
75 thereon which fits against the inner end of the
minimum area of the gradually decreasing por 75
3
2,125,445
tion thereof,said increasing dimensions lying in
the same plane.
'
Y
y
2. In a spray nozzle, a nozzle disc for delivering
a fan-like spray of ñuid having a iluid passage
therethrough substantially circular in cross-sec~
tional shape at its entrance and gradually de
creasing in cross-sectional area from a predeter
mined portion of its length, said decreasing of
cross-sectional area being greater on one diam
10 eter of the opening whereby the circular fluid
passage will gradually merge into a substantially
oval passage of reduced cross-sectional area, said
3. In a spray nozzle, a body. nozzle disk for
delivering a fan-like spray of i‘luid'having a iluid
passage therethrough substantially circular in
cross-sectional shape at its entrance and gradu
ally decreasing in cross-sectional area for a pre
determined portion of its length, said decreasing
cross-sectional area being greater on one diam
eter of theopening whereby the circular ñuid
passage will gradually merge into a substantially
oval passage of reduced cross-sectional» dimen 10
sion and decreasing in another cross-sectional
dimension outwardly from the minimum area of .Y
the gradually decreasing portion thereof, said in
creasing dimensions lying in the same plane, the
outer surface of said nozzle disk being tapered 15
for a portion of its length, and a cap for detach
minimum area of the gradually decreasing por
tion thereof, said increasing dimensions lying in lable connection with said body, said cap having
' fluid passage gradually increasing in one cross
sectional dimension and decreasing in another
15 cross-sectional dimension outwardly from the
the same plane, the portion of said passage which
gradually increases in one cross-sectional dimen
20 sion and decreases in-another being of greater
length than the portion of the passage which
gradually decreases in cross-sectional area.
'
an opening for receiving said disk, the walls of
which openingl engage the tapered surface of the
disk in a wedging action.
JOSEPH E. HOLVECK.
20
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