U.S. patent number 3,829,026 [Application Number 05/344,654] was granted by the patent office on 1974-08-13 for spray producing device.
Invention is credited to Elie P. Aghnides.
United States Patent |
3,829,026 |
Aghnides |
August 13, 1974 |
SPRAY PRODUCING DEVICE
Abstract
This disclosure relates to a spray producing device having an
upstream disc for producing high velocity jets of liquid, and a
downstream disc that includes mixing means in the form of screens,
but also including certain open areas in place of some of the
screens. The downstream disc is rotatable to enable the user to
select between one arrangement, wherein the jets are aerated, and
another arrangement, wherein the jets are sharp, needle-like
streamlets. A lost-motion connection is arranged between said
upstream and downstream discs so that when the downstream disc is
rotated in one direction, the relation between the two discs is
such as to result in said first arrangement, providing aeration of
the jets, and when the downstream disc is rotated in the opposite
direction, the relation of the discs is such as to result in said
second arrangement, providing sharp, needle-like streamlets.
Inventors: |
Aghnides; Elie P. (New York,
NY) |
Family
ID: |
23351419 |
Appl.
No.: |
05/344,654 |
Filed: |
March 26, 1973 |
Current U.S.
Class: |
239/394; 239/443;
239/428.5; 239/553.3 |
Current CPC
Class: |
E03C
1/084 (20130101) |
Current International
Class: |
E03C
1/02 (20060101); E03C 1/084 (20060101); B05b
001/16 () |
Field of
Search: |
;251/77
;239/428.5,436,443,444,446,449,553.5,562,394,553.3 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Wood, Jr.; M. Henson
Assistant Examiner: Love; John J.
Attorney, Agent or Firm: Hall; William D.
Claims
I claim to have invented:
1. In a water discharge device, means for producing at least two
types of streams comprising first and second members both of which
are movable and which will determine the type of a stream of water
depending on the relation of the members to each other, means for
passing the water past said members in series to produce an output
the type of which depends upon the relative position of said
members, one of said members being movable with respect to the
other to select the type of stream desired, and lost-motion
connecting means between said members to give a relation between
them to produce one type of stream when said one member is moved in
one direction, and another type of stream when the said one member
is moved in another direction.
2. In a water discharge device as defined in claim 1, said
lost-motion connecting means having substantial lost-motion so that
said one member may be moved a substantial distance without moving
the other member, said first and second members comprising means
constructed and arranged so that the said one member may be moved
within the limit of said lost-motion to a position that will change
the type of the output stream.
3. In a water discharge device as defined in claim 1, said lost
motion connecting having substantial lost motion so that said one
member may be moved a substantial distance without moving the other
member, said first and second members comprising means constructed
and arranged so that, when said one member is moved to a position
within its lost-motion range, the device will produce a first
output stream, and when moved farther in said direction will carry
with it the other member to a position wherein a second type of
stream is produced and may then be moved from that position in the
opposite direction within the limit of the lost-motion to a
position where it produces a third type of stream and may be
further moved in said opposite direction so as to carry with it the
second member to a position where a fourth type of stream is
produced.
4. A device as defined in claim 1, said second named means being a
tubular casing, said first and second members being rotatable and
connected by a shaft which shaft includes said lost-motion
connecting means, said shaft being concentric with the casing,
means in stationary relation with said casing and defining openings
to produce many jets, said first member cooperating with the
last-named means to close some of the holes in said last-named
means in certain angular positions of its rotation, said second
member comprising a disc having different portions that
respectively change the jets from said last-named means into
different types of output streams.
5. A device as defined in claim 4, in which some of said portions
of said disc comprise screens to convert the jets from said
last-named means into soft bubbly streams and other portions of
said disc define openings through which jets from said last-named
means may pass without interruption.
6. A device as defined in claim 4, in which said first member and
said disc are so constructed that when said one member is rotated
clockwise well beyond its limit of lost-motion, a different number
of the openings in said last-named means will be open for flow of
water therethrough than when said one member is rotated
counterclockwise well beyond the limit of lost-motion.
7. A device as defined in claim 5, in which said one member is the
disc, said portions of the disc being arranged so that when the
disc is rotated within the limit of lost-motion some of the jets
from said last-named means will encounter different portions of the
disc to thus produce different types of streams.
8. A device as defined in claim 5, in which said one member is a
disc, said portions of the disc being arranged so that when the
disc is rotated in one direction from one limit of lost-motion to
the other, some of the jets from said last-named means will
encounter different portions of the disc to thus produce a
different type of stream and when further rotated in said direction
the first member will change its position respecting said
last-named means to thus change the number of openings therethrough
through which water flows and thus change the type of output
stream.
9. A device as defined in claim 8, in which said last-named means,
the first member and the disc are so arranged with respect to each
other that rotation in the direction opposite to said one direction
within the limit of lost-motion will change the portions of the
disc that are in the path of at least some of the jets and that
further rotation in said opposite direction will also cause the
first member to change the number of openings in said last-named
means through which water may flow to thus change the number of
output jets.
10. A shower head comprising a partition through which is
discharged a spray formed by spaced jets, a rotatable member
located in the path of at least some of said jets, screen means
held by said rotatable member which is at least partly movable away
from the path of at least some of said jets, a sealing member which
is located adjacent to and cooperates with said partition, to
alternately decrease and maintain the number of said jets, means
connecting the sealing member and said rotatable member so that the
rotation of said rotatable member alternately decreases and
maintains the number of said jets as well as alternately produces a
conventional spray and a spray comprising a number of bubbly
streams.
11. The device of claim 10 in which said sealing member is located
upstream of said partition.
12. The device of claim 10 in which the screen means is held by
said rotatable member in coaxial, spaced relationship with the
downstream side of said partition.
13. The device of claim 12 in which the rotation of said rotatable
member results in the rotation of said connecting means which in
turn rotates said sealing member to change the number of jets.
14. The device of claim 13 in which rotation of said rotatable
member in one direction results in the rotation of said connecting
means which in turn rotates said sealing member to provide one or
more types of streams and rotation of said rotatable member in the
opposite direction similarly provides one or more different types
of streams.
15. The device of claim 14 in which the rotatable member has
different portions so that at least one of the types of streams is
characterized by a plurality of soft, bubbly streams and at least
one of the types of streams is characterized by sharp, needle-like
jets.
16. A water discharge device comprising a casing adapted for
connection to a source of water under pressure, jet producing means
in the path of the water in casing for converting the water
entering the casing into a plurality of high velocity jets, and
disc shaped rotatable means downstream said jet producing means
rotatable to a position in which it converts at least one of the
jets from said jet producing means into a different type of stream,
said rotatable means comprising an element having an axial opening
and extending outward therefrom, and a central connecting element
passing through said axial opening in said element and connected to
said casing, said jet producing means comprising a disc-shaped
perforated diaphragm having a central sleeve extending
downstreamwardly around said central connecting element and being
supported thereby.
17. A device as defined in claim 16 in which said central
connecting element is a screw having threads at its upstream end
connecting the element to said casing and also having a head at its
downstream end, said sleeve of said disc-shaped perforated
diaphragm and said disc-shaped rotatable means resting upon and
being carried by the upstream side of the head of said screw.
18. A water discharge device as defined in claim 17 in which said
casing has a water inlet and webs between which the water entering
said inlet may flow to said jet forming means, said web joining
together to form a common element which element defines a threaded
hole for receiving the upstream threaded end of said screw.
19. A water discharge device as defined in claim 16 in which said
casing has a water inlet and webs between which the water entering
said inlet may flow to said jet forming means, said webs joining
together to form a common element which element is attached to the
upstream end of said central supporting element in order to carry
it and thus in turn carry the jet forming means and the disc-shaped
rotatable means.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to devices for selecting between two
different forms of streams of water having different rates of
flow.
2. Description of the Prior Art
In my prior U.S. Pat. No. 2,670,942, filed Nov. 10, 1952, entitled
"Aerator," U.S. Pat. No. 2,797,906, filed Nov. 23, 1953, entitled
"Convertible Aerators" and U.S. Pat. No. 2,811,340, filed Dec. 29,
1949, entitled "Fluid Mixing Device," I have shown means for
selecting between a spray consisting of ordinary jets of water and
a spray consisting of an aerated soft bubbly stream (or streams).
In my prior copending application Ser. No. 266,039, filed June 26,
1972, entitled "Improvement In Spray Producing Device," I have
shown a selecting mechanism for selecting between two different
forms of streams, and have also shown means to decrease the rate of
flow of the one or the other streams. The present application is an
improvement of my application Ser. No. 266,039 in this respect.
SUMMARY OF THE INVENTION
The invention relates to an apparatus for selecting between two
different types of streams of liquid, for example, water. According
to the invention in its broader aspects, the water passes through
two devices in series, the relative positions of which determine
the type of streams, and/or the number of jets, emerging from the
second device. The devices are connected by a lost-motion
connection so that when one of them is moved in a first direction,
the relationship between them is such that one type of stream is
emitted and when moved in a second direction, the relationship
between them is such that another type of stream is emitted. The
words "type of stream" may refer to any one or more aspects such as
aerated stream, needle-like spray, number of jets,
In its narrower aspects, the invention comprises two spaced,
superposed discs, the upstream one of which opens and closes holes
in a partition. The jets produced by the water flowing through said
holes are sharp and needle-like. The downstream disc has portions
which constitute mixing means (for example screens) and other
portions which are open and thus permit the jets to pass
therethrough without change. There is a lost motion connection
between the discs so that following movement of the downstream disc
in one direction, predominantly sharp, needle-like jets are
produced, and, following the movement of the downstream disc in the
other direction, predominantly soft, bubbly jets are produced.
Furthermore, by shifting the downstream disc within the range of
"lost motion" of the lost-motion connection, the character of the
stream may also be changed.
Instead of shifting between a stream in which most of the jets are
aerated and one in which most of the jets are needle-like, the
device may be arranged to shift between any two different types of
streams, for example, one stream may include 12 jets and the other
stream may include 21 jets.
An object of the invention is to produce a simple, low-cost device
for switching between two types of streams.
Another object of the invention is to provide a device in which it
is easier to select between two different types of streams than it
has been heretofore.
Yet another object of the invention follows the objectives set out
in the two preceding objects and in addition provides variation in
the number of output jets and/or the volume of flow.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a cross-section of one embodiment of the invention. FIG.
1A is a partial top view of disc 2 of FIG. 1.
FIG. 1B is a cross-section taken along the line 1B--1B of FIG.
2.
FIG. 2 is a partial top view of the disc 1 of FIG. 1.
FIG. 3 is a partial top view of the disc 2 of FIG. 1.
FIG. 1C is a cross-section along line 1C--1C of FIG. 1.
FIG. 4 is a cross-sectional view of another embodiment of the
invention.
FIG. 4A is a cross-sectional view along line 4A--4A of FIG. 2.
FIG. 4B is a cross-sectional view along line 4B--4B of FIG. 4.
DETAILED DESCRIPTION OF THE INVENTION
The device shown in the drawing may be built in the form of a
shower head, in the form of a faucet attachment for kitchen sinks
or the like, or in any other form.
The device includes a main coupling C having threads F for
attachment to a source of liquid, for example, water, under
pressure. Threaded to the casing C is a main disc or diaphragm 1
which has six indents 10, located 60.degree. apart, in circle whose
center corresponds to the axis of the overall device. A steel ball
10a, pressed upwardly by a helical spring 12, is adapted to move
into said indents to hold the device in any one of six
positions.
The device of this invention is very easy to operate. In order to
select the desired type of stream, in the example given, all that
is necessary is to rotate part 6 at least 60.degree., clockwise or
counterclockwise as the case may be, stopping in one of said six
positions.
The part 6 is integral with casing 7 that holds helical spring 12
and this casing has a short projection 8 that has an angular length
(measured with respect to the axis of the overall device) of
20.degree. and which moves back and forth in an indent 5 which has
an angular length of 80.degree., whereby the projection 8 may move
freely in indent 5 for an angular distance of 60.degree.. The part
6 is attached to a spider 16 which is in turn attached to casing 7.
A top view of the spider 16 of FIG. 1 is similar to the spider 37
shown in FIG. 4A. The spider is generally covered on both sides
with screen wire 13 and 15, except that there are holes 14 (34 in
FIG. 4A) which are entirely open and therefore are not covered with
screen wire. Threaded stop member 4a engages thread 4 maintaining a
constant predetermined space between the lower side of the disc 1
through step S at the inner end of the lower side of disc 1. The
screw jack force of the threads holds the sealing disc 2 flexibly
against the upper side of disc 1, inasmuch as the spring 12 is
pressing on the upper end side of said stop member 4a.
The disc 1 has three concentric rows of holes. The outer row H has
nine holes equally spaced, as does the middle row H'. The inner row
H", however, has only three holes spaced 120.degree. apart. The
holes H, H' and H" are spaced and disposed as shown in FIG. 2 and
are of the type shown generally in my U.S. Pat. No. 2,998,929,
granted Sept. 5, 1961, entitled "Water Aerators." These holes are
therefore elongated and have a bridge such as 55 over them to give
increased turbulance to the water in the elongated holes. The water
enters holes H, H' and H" below said bridges on the inner and outer
side walls of ribs R.
The sealing member 2 is a disc which is integral with shaft 3 and
is rotated clockwise and counterclockwise, as the case may be, by
the lost-motion connection. The sealing member 2 has a ring of nine
equally spaced holes 60 which in one position will be centered over
the nine holes H' when the part 6 has been rotated until the ball
11 is retained in one of the six indents 10. In this position, if
part 6 has been rotated in a clockwise direction, water enters all
twenty-one of the holes H, H' and H" to form twenty-one jets from
H, H' and H" which strike screens 13 and 15 to form twenty-one
bubbly streams as they pass the skeleton 16.
If now part 6 is rotated an additional 60.degree. in the same
direction (clockwise) so that it stops in the next one of the six
positions, the lost-motion connection rotates the sealing member 2
to a position where it covers the nine holes H' and therefore the
device emits only the twelve needle-like jets. Further rotation of
part 6 in this same direction for another 60.degree. will produce
again 21 bubbly streams and at the following stop again 12
needle-like jets.
If the next rotation of part 6 is 60.degree. in the opposite
direction from said needle-like jets, stopping in one of said six
positions, the sealing disc 2 continues to block holes H' but the
twelve output jets, instead of passing through holes 14, pass
through screens 13 and 15 and emerge as 12 soft bubbly streams; it
is noted that neither sealing disc 2 nor partition 1 is rotated
during this operation.
If the part 6 is next moved in this same opposite
(counterclockwise) direction by another 60.degree., the sealind
disc 2 moves synchronously with part 6 and stops in a position
leaving holes H' open. In such event the 21 jets from holes H, H'
and H" remain needle-like jets since they all pass through holes 14
rather than through screens. Further rotation of part 6 in this
same direction another 60.degree. will again produce 12 bubbly
streams and at the following stop again 21 needle-like jets.
The construction of disc 1 is illustrated in FIGS. 1, 1B and 2.
FIG. 2 shows a partial top view of disc 1 and its cross-sections
1A--1A, shown in FIG. 1, and 1B--1B, shown in FIG. 1B, show its
upper configuration. Holes H', like the other holes, are of square
or arcuate cross-section and have, at their upstream ends, bridges
55 aligned with ribs R. While I have shown only single holes H, H',
H", a pair of contiguous holes may be provided, as shown in my
aforesaid pending application Ser. No. 266,039, if production of
thicker, bubbly streams is desired.
In FIG. 4 the coupling 25 has threads for attachment to a faucet.
There is an upstream perforated diaphragm terminating in an
enlargement 48. A disc 28 is of different shape from disc 1 of FIG.
1 but is the same in that it has the same three rows of holes H, H'
and H". Further, there is a sealing member 20 that is shown in FIG.
1A and cooperates with openings H, H' and H", the same as disc 2 of
FIG. 1 cooperates with disc 1.
The part 37 of FIG. 4 is shown in FIG. 4A and is quite similar to
part 6 of FIG. 1; however, in FIG. 4 the part 37 has six indents
(spaced 60.degree. apart) into which pin 36, which is pressed
downwardly by spring 23, extends. The pins 36 pass through holes 35
of the extension 28a of disc 28.
In the position in which the sealing disc 20 closes the holes H, as
shown in FIG. 4, when the part 37 has been rotated counterclockwise
and pin 36 is brought to rest on the opposite wall W after
20.degree. rotation, holes H' will be uncovered and after
additional rotation of part 37 by 40.degree. the first
counterclockwise stop point will be reached, producing there and at
successive counterclockwise 60.degree. stops alternately twenty-one
bubbly streams or twenty-one needle-like streams.
If now the part 37 is rotated clockwise by 20.degree., the pin 36
will engage the wall W' of opening 35, again closing holes H', and
producing alternately 12 bubbly streams or 12 needle-like jets, at
successive clockwise 60.degree. stops.
FIG. 4 has a sealing disc 20 which has a sleeve 21 providing an
annular groove 22 containing a spring 23, said sleeve being
rotatably mounted around a screw 24. The coupling 25 has webs 26
holding a tubular portion 27 which is threaded at its upstream
portion, which threaded portion engages the threaded end of said
screw 24. Its inner tubular surface S' helping maintain coupling 25
and screw 24 co-axial. The diaphragm 28 has a sleeve portion 29
around the sleeve portion 21 of the sealing disc and another sleeve
portion 30 around the screw 24. The sealing disc 20 of the
diaphragm is like the one described in FIGS. 1, 1A and 3. The
casing has screen 31 and 32 and holes 34. The sleeves 29 and 30 of
diaphragm 28 are connected by a horizontal link having three
openings 35 which are traversed by the three legs 36 as shown in
FIG. 4B. In said figure, the spider 37, like spider or skeleton 16,
has twenty-one holes 34, as shown in FIG. 4A, and is connected to
casing 37 and, through the three legs 45, to sleeve 39.
FIG. 4A shows how the twenty-one holes of casing 37, like those of
casing 6, are arranged, to let pass therethrough the twelve or
twenty-one jets delivered by the discs 1 and 28. The outer row of
holes 34 comprises nine equally spaced holes, the middle row
another nine equally spaced holes that are angularly positioned
20.degree. from the angular position of the holes in the outer row.
The inner row has three equally spaced holes in angular alignment
with three of the holes of the outer row. In three of the six
angular positions at which part 37 stops (due to the idents 40) the
21 holes in disc 37 are directly below the 21 holes H, H' and H".
The lower ends of holes 34 has tubular end portions 38 against
which rest the live-edges of the cut-out portions of the screen 32.
The sleeve 39 has at its upstream end six depressions 40 in which
rest the lower ends of legs 36. The openings 35 shown in FIG. 4B
provide 40.degree. of which 20.degree. are assigned to each leg 36.
In other words, in the example described, the sealing disc 20 can
rotate only 20.degree. clockwise or counterclockwise, when the
casing itself is rotating, in lost motion, clockwise or
counterclockwise by 60.degree. to go from one stop point to
another. Rotation of sealing disc 20 by 20.degree. in one direction
will close the nine holes, in the middle row, and rotation of
20.degree. in the other direction will uncover them. A step 46 is
provided to transfer the pressure of the upwardly moving diaphragm
during the assembling of the device against the washer 48 to insure
proper sealing. The washer 48 carries a perforate member 49. After
an aforesaid rotation of 20.degree. clockwise, to produce one type
of stream, further rotation by 60.degree. will change to a
different type of stream. Still a third stream can then be produced
by a 20.degree. counterclockwise rotation, while a fourth stream
can be produced if there is an additional 60.degree.
counterclockwise rotation.
This arrangement of FIG. 4 has the advantage over that of FIG. 1 of
doing away with the user's having to search for a desired spray,
sharp or soft, large flow or limited flow of water, according to
the available water pressure, by providing four positions, all
obtainable by the mere rotation of the casing.
Devices built according to the following dimensions, under the
present invention, gave very good results. The diaphragm 1 was
three millimeters thick, above which the windows of the bridges
were 1.0 mm high and 0.95 mm wide, whereas the holes below said
windows had a 1.25 .times. 1.25 mm cross section and were inclined
6.5.degree. in the outer row, 5.0.degree. in the middle row and
3.5.degree. in the inner row. Two screens were used, the upper
screen 15 (and/or 31) at 5.5 mm below said holes and having 40
wires per inch with 0.00875 inch wire diameter. The diameters of
the three rows H", H' and H, were 33 mm, 50 mm, and 63 mm
respectively. The screens had 80 mm diameters and were spaced 3 mm
from each other. Where single holes were used, as shown, instead of
pairs of holes, the windows of the bridges were 1.05 .times. 1.05
mm and the cross section of the square holes was 1.30 .times. 1.30
mm, whereas the pairs of holes had the dimensions given above, the
thickness of the diaphragm being 3.00 mm in both cases.
While I have shown sealing discs located upstream of the diaphragm,
it is understood that sealing may be effected by closing some of
the outlet ends of holes and other means may be designed to limit
the flow, when higher jet velocity is desirable.
* * * * *