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Патент USA US3048205

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Aug. 7, 1962
Filed July 7, 1959
4 Sheets-Sheet 1
Aug. 7, 1962
Filed July 7, 1959
4 Sheets-Sheet 2
Aug. 7, 1962
Filed July 7, 1959
4 Sheets-Sheet 3
Aug. 7, 1962
4 Sheets-Sheet 4
Filed July 7, 1959
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@241 I8‘
15" I6
United States Patent 0 " ice
Patented Aug. 7, 1962
lever type operating handles illustrated in their neutral
or non-dispensing position, a dispensing spout from which
the beverage issues, and a mounting bracket by means of
Louis Gottlieh, 1505-07 Stillman St, Philadelphia, Pa.
Filed July 7, 1959, Ser. No. 825,544
7 Claims. (Cl. 137-637)
which the fountain may be secured to a convenient sup
FIGURE 2 is a side view of the soda fountain seen in
perspective in FIGURE 1 but illustrating the left-hand
operating lever in a forward depressed position corre—
sponding to the dispensing of a soda composed of car
This invention relates to beverage dispensing apparatus,
and more particularly relates to an apparatus for mixing
and dispensing any one of a number of selectable ?avored 10 bonated water and a ?rst ?avored syrup;
FIGURES 3, 4 and 5 are similar to the showing of FIG
carbonated beverages. While the invention will be de
URE 2 excepting that they illustrate three additional po
scribed in connection with the dispensing of ?avored soda
sitions of the operating levers for purposes of dispensing
water, it should be borne in mind that the apparatus is not
diiferent ?avored beverages, FIGURE 3 showing the
so limited, and the principles thereof are in fact applica
right-hand lever in forward depressed position with the
ble to numerous situations in which it may be desirable to
left-hand lever in neutral position, FIGURE 4 illustrating
mix one liquid with a selected one of a plurality of other
the right-hand lever in neutral position with the left-hand
liquids or to dispense the one liquid by itself Without such
lever in backward shifted position, FIGURE 5 illustrating
mixing. By way of illustration, it may be desired to dis»
the left-hand lever in neutral position with the right-hand
pense plain milk, chocolate milk, or milk mixed with
other ?avoring syrups. Moreover, the principles of the 20 lever in backward shifted position;
FIGURE ‘6 illustrates a partially exploded view of the
invention may be found to be applicable to the mixing
soda fountain illustrated in perspective in FIGURE 1,
of ?uids other than those intended to be dispensed as
some parts ‘being shown in elevation and others in section
as would ‘be seen when viewed along the lines 6-6 of
In the past, soda fountains for the dispensing of carbon
ated beverages usually have taken the form of a number 25 FIGURE 1;
FEGURE 7 illustrates a plan View of the apparatus as
of tanks for storing ?avored syrups, each with its own
would be seen when viewed from above the showing of
individual hand operated pump, and also including a lever
FIGURE 2, the dispensing spout being partially sec
operated discharge spout station for dispensing carbonated
water into a glass or other container containing the ?a
tioned away to reveal certain details of the interior;
FIGURE 8 is a cross-sectional view through the ap
vored syrup from one of the syrup tanks placed therein 30
paratus as would be seen when viewed along the lines
by operation of the associated hand pump. Such soda
8—8 of FIGURE 2, some parts being shown in section
fountains are large in size and occupy a substantial vol
vand other parts in elevation for purposes of clarity;
ume of space. Moreover, such soda fountains are ex
pensive to purchase and install, and require a consider
FIGURE 9 is a side sectional view through the appara
able time expenditure for purposes of maintaining them 35 tus as seen when viewed along the lines 9:-——9‘ of FIGURES
7 and 8, the left-hand operating lever being shown in
in a clean and sanitary condition, not to mention the fact
that the hand pumps require periodic cleaning and ?ush
, ing to insure against their becoming clogged with dried
FIGURES 10‘ through 13 illustrate sectional views tak
syrups which accumulate within the pump after a period
en through the apparatus as wouldybe seen when viewed
of use. Accordingly, it is a primary object of my inven 40 along the lines 1tl—-I~tl, 11-41, 12-12 and 3-43, of the
tion to provide a carbonated beverage mixing and dispens
showing of FIGURE 8;
ing unit which is extremely small in size, relatively inex
FIGURE 14 is a cross-sectional view through the ap
paratus as seen when viewed along the lines 14--14 of
pensive to manufacture and install, and which eliminates
completely the need for hand pumps and storage tanks
for ?avored syrups located at the dispensing station.
FIGURES l5, l6, 17, 18 and 19, are sectional views
Another object of my invention is to provide a novel
taken along the correspondingly identi?ed section lines
carbonated beverage mixing and dispensing apparatus
shown on FIGURE '14;
which is self-cleaning in nature and thereby does away
with the labor cost of frequent and periodic cleanings.
FIGURE 20‘ is a cross-sectional view through the ap
paratus as seen when viewed along the lines 20—20 of
Still another object of my invention is to provide a nov
el carbonated beverage mixing and dispensing apparatus
which contains relatively few moving parts and which
FIGURES 21, 22 and 23 are sectional views taken
through the apparatus as would be seen when viewed along
the corresponding section lines illustrated in the showing of
may be disassembled on the spot for the replacement of
parts due to wear and be reassembled and replaced in use
55 FIGURE 20;
FIGURE 24 is a cross-sectional View through the ap
within a matter of minutes, thus resulting in a substantial
savingof downtime and a minimum attendant loss in rev
paratus as seen when viewed along the lines 24—24 of
enue due to inoperability.
A further object of my invention is to provide a novel
FIGURES 25 and 26 are cross-sectional views taken
carbonated beverage mixing and dispensing apparatus 60 through the apparatus as would be seen when viewed
which is automatic in operation7 requiring only the actu-.
along the corresponding section lines illustrated in the
ation of a handle to dispense a mixed ?avored carbonated
showing of FIGURE 24.
beverage, and including means whereby the proportion
- In the several ?gures like elements are denoted by like
of ?avoring to carbonated water may be controlled within
reference characters.
relatively wide limits to provide drinks of varying sweet~ 65 Turning now to an examination of the ?gures, and
considering ?rst FIGURES -1 through 5, inwFIGURE '1
ness as desired.
there will be seen a mixing and dispensing unit including
The foregoing and other objects of my invention will
seven principal parts. The ?rst of these parts is a mount
become apparent from a careful reading of the following
ing bracket 30 having a vertical front face 31 and a pair
speci?cation in conjunction with an examination of the
of rear'wardly extending arms ‘32 formed integrally with
appended drawings, wherein:
FIGURE 1 is a perspective view of a complete soda 70 the top of the face 31, and including a plurality of holes
33 for securing the mounting bracket to an overlying sur
fountain according to the invention and showing two
ways spaced below the valve outlet passage 45 and pro
vides a liquid tight seal about the circumference of the
cone valve lower bore 43 to prevent the liquid ?owing
through the valve from passing downward around the
threads of the end portion 51 and leaking out the bottom
of the regulator block 41. An adjusting head 52 is
fashioned at the lower terminus of the valve stem
valve upper bore 63 from passing upward beyond the
sealing ring and into the cam shaft space in the valve
head block assembly 80. The passage of syrups into
the region where the cam shafts engage the driving pis
ton heads would naturally cause a gumming condition
to occur resulting in sticky operation of the valves and
operating handles. Moreover, the absence of a lower
threaded end portion 51 and projects externally of the
sealing ring 72 disposed about the body of the valve pis
regulator block 41.
ton 68 would allow these syrups to eventually ?ow down
This adjusting head 52 provides a
means for advancing or retracting the valve stem to pro 10 into the space occupied by the compression springs 70,
and when such space became ?lled with the liquid would
vide a desired amount of clearance between the valve
prevent depression of the valve pistons 68 and render the
stem cone and the valve seat formed at the junction of
operating handle assemblies 90 and 100 essentially in
the upper and lower cone valve bores 44 and 43 respec
tively for purposes of controlling the rate of flow
operative by hydraulically locking the handles in their
through the valve when ?ow therethrough is permitted 15
by actuation of the appropriate operating handle.
neutral positions.
which has been placed in compression by the tightening
Directly above the valve block assembly 60‘ is the
valve head block assembly 80‘ including the head block
‘In addition to the showing of FIGURE 9, attention
81 and the depending head bolts 87 already previously
should now also be directed toward the showings of
mentioned as being for the purpose of securing the valve
' FIGURES 6 and 8 but principally to FIGURES 6 and 9.
block assembly and valve head block together. The
Considering now the valve block assembly 60, there will
head block 81 includes the driving piston head bores 82
be seen the valve block 61 having formed therein a piston
through 85 each spaced in vertical registry with an under
valve lower bore 62 extending upwardly to connection
lying piston valve upper bore 63 in the valve block 61
with a piston valve upper bore 63 of reduced diameter
and into which the top portion of each of the driving
in cross section. Extending forwardly from the piston
valve lower bore 62 is a valve outlet passage 64-, and 25 pistons 74 extends. Drilled horizontally through the head
block 81 is an open ended earn shaft bore 86 which
running rearwardly from the piston valve upper bore 63
connects with each of the driving piston head bores 82
is a valve inlet passage 65 aligned as a continuation
through ‘85, and within which are disposed the cam shafts
of the cone valve outlet passage 45 of the flow regulator
92 and 102 associated respectively with the left-operating
block assembly, the junction between the passages 45
and ‘65 being rendered liquid tight by the sealing ring 66 30 handle ‘assembly 98' and right-operating handle assembly
The handle assembly 96 includes an operating handle
of the assembly bolts 35.
91 pinned or keyed or otherwise secured to the left-end
Disposed within the piston valve lower bore 62 is a
of the cam shaft 92, and similarly, the operating handle
valve piston 68 having a depending central stem 69' dis
posed within :a compression spring 70 so oriented that 35 assembly 100 includes an operating handle 1G1 similarly
secured to the right-hand end of the right cam shaft
the top of the compression spring bears against the under
102. The cam shafts 92 and 102 are of such length that
surface of the valve piston 68. The lower end of the
when fully inserted within the cam shaft bore 86 within
compression spring 70 is seated upon the upper surface
of a valve block bottom plate 71 which latter is secured 40 the valve head block assembly 80‘, the cam shaft’s end
faces 98 and 106 lie closely adjacent one another in
tightly against the bottom surface of the valve block 61
facing relation and are both disposed centrally above the
by means of the take-up nuts 79' and head bolts 87 which
driving piston 74 located third from the left as viewed
are threadedly engaged with one another through the
in the showing of FIGURE 6. It will be noted that the
bolting holes 77 and 78, the bolt holes 77 being drilled
vertically through the valve block 61 and the bolting 45 head of this driving piston is somewhat broadened as
compared to the other three driving pistons. This is
holes 78 extending through the bottom plate 71.
because both cam shafts 92 and 162 are enabled to
Disposed about the body of the valve piston 68 are
actuate this piston and a camming surface of sufficient
a pair of sealing rings 72 and 73', the former preventing
the passage of ?uid downwardly beyond the sealing ring
area is desirable.
For purposes of future reference, the valve block as
72, and the upper sealing ring 73 providing a liquid tight
seal between the piston valve upper bore 63 and the ' sembly pistons will be designated as ?rst, second, third
and fourth pistons as viewed in the showing of FIGURE
piston valve lower bore 62 whenthe valve piston 68 is
6, with the ?rst piston being that on the left and the
forced upwardly by the compression spring 70 in the
fourth piston 'being that on the right. As will be seen
manner best seen in FIGURE 9. The position of the
valve piston 68 as seen in FIGURE 9 corresponds of ,
course to a closed position of the valve wherein no transfer
takes place from the ?uid supply to the mixing nozzle
assembly and is the position occupied by all of the valve
pistons when both of the operating handles 90 and 100
in the showing of FIGURE 6 the cam shaft 92 of the
left-operating handle 90 is selectively notched along its
length to provide a plurality of cam shaft ?ats 93 through
797, and the right cam shaft 102 similarly selectively
notched to provide the cam shaft ?ats 1433, 184- and 185.
are ‘in their neutral position as seen in FIGURE 1. Actu (it) It is these particularly oriented cam shaft ?ats which pro
vide for the selective actuation of the valve pistons in the
ation of the operating handles causes one or more of
‘the valve pistons 68 to be. depressed against the upward
bias provided by the compression springs 70 to thereby
allow' the valve outlet passage 64 placed in direct
communication with the inlet passage 65 and hence per
,mit ?uid ?ow through the piston valve to the mixing
valve block assembly 60. However, before entering upon
a detailed description of the organizational inter-relation
ships of the cam shafts and valve pistons, the mixing
nozzle assembly 1116 will be ?rst described.
The mixing nozzle assembly 110 includes a generally
cylindrically shaped nose block 111, the rear surface of
which is recessed into the front of the valve block 61
and is secured in position as seen in FIGURE 9 by
valve upper bore 63 is a driving piston 74 having a cen 70 means which are not shown, any convenient securing.
method being suitable. Clamped between the rear surface
trally depending reduced diameter stem portion 75, the
lower end of which is seated‘upon the upper surface
of the nose block 111 and the facing portion of the valve
nozzle assembly.
The means for selectively depressing the valve piston
68 will now be described. Disposed within the piston
of the valve piston 68. Disposed circumferentially about
block 611 is a nose block gasket 114 which serves to pre~
thedriving piston 74 is a sealing ring 76 which serves
vent the soda or syrup ?owing forward through the four
the purpose of preventing the ?uid ?owing into the piston 75 individual valve outlet passages 64, one being associated
with‘ each of the valve pistcna from working lateral!‘
over into‘ a vnose block ‘outlet-passage, 112 fl'?ilirwhigh t '
“ ‘fourth‘gpisto
r "“ ‘
simmering‘ seamstress newsman
Should be isolated; Obviously; ironies-?avor syrupjcou I,
> Work its way into thep'outlet “passage for: a. ‘different
,stratesthe‘ simultaneous actuation of the, second and 1th d;
‘ ?avored syrup, then the resultinguf?avored‘ soda would
piston‘ valves to‘ prhduce ja .‘?rst ‘?avored ' soda, ‘ it: is oh
served“ that; thef‘lleft-ha‘nd toper‘atingfhandleh? is in itst ‘
be a mixture to some extent of more‘ than onetsyru
?avoring which? would certainly, be‘ undesirable,
It will ‘beseen ‘from the showing OfFIGUKE/n Gtha
ve i the a shareware; “the;
valve. 7
forward-depressed :plnsiticn,
‘ the forward \depressicnjof thetleitghand handle 91ware
I“ handle-ritil'lrcmains
in n‘eutr 1;“‘The
e?e‘cts pr‘oduced‘rhynr
outlet passages 54 of‘ the ‘?rst, second ahd fourth pistdn e
valves each connects ‘to a di?ierent passage 112 which‘exe‘ 1G’ seen‘in the f'cross-sectional views ‘of FIGURES 9, 10 and) i ‘a p
tends‘forward through the‘nose' block‘ 111 to the noses“ "413
from whichithtay‘be seen?that thetsecondsandthird A: ‘
block front face 119,‘ and that‘ the outletvpassage 'Mjfrom " ‘driving pistons will be driven downward by the periphery \
the third piston'valve extends ‘upwardlytowardthe rightist“
the r‘valvejrernainsr
cant shaft" 92 while
by “piston
virtue of‘
the ?rst»
facts" “ ‘
and opens on the cylindrical ‘side surface/‘oi the “nose A
block 111; As also best seen, in the showihgtof
9, ‘the entire nose block‘lilis surrounded by‘ the'mixingrr ' ,ahovef ‘FIGURErlLshc'ws that the fcurth, piston’valve‘
nozzle and discharge spoutl? which turns downwardly ‘ is ‘undepresscdrwhe'n ,the' right~hand operating handle 1432
at its front to produce 'a downwardly directed streamrofi
soda for discharge into a glass or ‘other underlying re‘
is in its’neutral' position because it faces the cam shaft
‘ ?at [103.“ FIGURE 12 shows. that while, the driving ‘piston t
ceptacle. The nozzle 115 is easily mounted upon the’nose
block 111 by a push-on action which slidesvthe nozzle
'74 of th‘ciuthird
dueto the
is depressed,
?at lid-5
rearwardly‘over the nose block until the‘indexinghole,»
18 in the top‘ ofthe nozzle slips over into‘ registry with i‘yvalvetdrivingpistiinsis
would prevent
such depressed
it, cam
of course‘being‘
f rrealized
" ‘ r~ ~ "
the'ball hearing 11'7fseatedf adepressioriin~thejtop of” v
the nose block. The sealing‘ riiigrrlldpreventshtthesoda ‘ -‘Tur‘ning'now‘ to the showing of FIGURE 20,‘,it isv ‘
water being discharged from passing ‘backwardiand emerg-' ' seen that the'?rst "and ‘thirdpiStOnvalVes-are depressed~
ing ‘from the nozzle at points other than from thefdisw
‘ _ corresponding‘ to the mixing‘of‘ a soda. of‘ a second ‘?avor; , ‘
charge spout. 1 Additicnallyhthe sealing‘
rlldhpro-i' and ‘that ‘in “this 'shtiwing’ the rrrightéhand operating handle‘ a ‘a
vides a frictional‘ engagement with the mixing nozzle. 115. “101i; insthe same‘ neutral positionfas occupied intheg
which holds the latterrelatively sticurelyiintpositionr F‘ '30
' just
~ operating
lever handle
91 is ‘nowhowever,
seen‘ to be
The ?rst, second,‘ and fourth ‘cylinder?outlet‘passages
112‘ permissibly run‘ forward directly,‘ totgthesirontmfacci
parison‘ "of FIGURES
displaced ‘ '8
and 29 it_ Therefore.
is deal: thatfrom»
the forward
11? of the nose block 111‘ because the ?avorysyiiupsjdiy " a, arearwardly'
r depressingto?, the left-handoperating handle'causes the
charged through these’passages are ‘under relatively 110w;
pressure and arevdischargedv-With no‘tgre‘at‘ ‘force, vwhere'ew - vactuation for the second and‘ third piston valves whereas ‘‘
as ‘n on the other ghandt?the “thirds cylinder 'soutletl» passage
"the" rearward;v shirtin lief"thellefuhand:operating, handle r ‘a
‘ 113 angles upwardly‘to the: right and ‘enterges'fiiitoeeth'e "i I 9‘1'fcauses thenctuaticn oft/he ?rstiand‘third pistonvalves. ~
‘Since in‘both FIGURES 8 and,‘ 20 the‘rightéhand-yoperating I
rather narrow annular space 120 [between theunose block ‘
cylindrical side surface and the insideof th'emixing nozzle
handlclvlti?l‘ is shown to,
V liSybecause the soda‘water
itself enters the?
tor block assembly under ;a~rpressure of approiii'mat'ely 120"
associated therewith, "nevertheless the soda‘ waterein‘erges”
from the passage 113‘ under a relatively high pressure;
' '
f'ingoffFlGUREZO is identically'rthe ,same'as thatasso»
~ ' \
pounds,” and although this pressure is somewhat reduced .‘
when passing through the cone valve and piston valve
in its‘neutralIpositionyit‘is
‘glean;thatgtherphsitionof the cant shaft team the show»
ciatcd withlthc showing of FIGURE'8L and hence as in»
‘ dicated,tthe sectional views of FIGURES l1 and ‘IE2 depict
i physical conditions‘,associatedwith
45 the
ina the
‘showing of FIGURE-20' aswell the
The‘pressure of the soda water‘ is?of course, quite sub-'
stantially reduced by being forced to pass into the relay,
tively‘narrow annular regions 120i before emerging‘jintot
the region of the discharge spout, the latter being 'ot‘rnuch
Tfrning‘ now to
FIGURES’ 21, 22. andi23'which illus-t
‘ F ‘a
r I trate the conditions broughtabout by 'thefcam vshaft I92‘ 1 " ~
" when‘the left»hand operating'ha‘ndle: 91 is ‘irearwardly ‘
greater volumetric capacity. By causing the sodagwater, ‘ 50 shiftedit is seen thati‘thersecond piston valveremain's un— ‘
to discharge into the annularjregion 12%}; and, at an e1e
H ac-tuatedbecause the toprtot the drivingpist'on associated p
vation approaching the top of thenose hloclc ‘cylindrical , - 7 - thelggwith ‘is",apposedwbythetcam shaftw?at r96‘ asilluse
‘ ~
surface, the soda water upon emergence from the passage 1' ‘ ".trated in thegshowing'lof'FIGURE 23-.‘ However, the"
113 completely ?lls therannulart regionglzil; passing over‘ '
sjhafti?ats ‘93;‘FIGURES
‘94 and"97;‘have“bcensrotated‘
Zlfandv 22 indicate ‘out
of facing
the top of the nose ‘block 1111 in addition 't'dt?owingldovvn-t T55“,showings‘oi
wardly along theside. '.Thl1,$, thev soda ‘water prion to: ' apposition with the top of‘theirassjociated driving pistons» '
‘mixing with the ?avorsyrupin "the region-of the dis‘:
so‘ thatthelcircurnference of the cam shaft~92 is ‘brought
‘charge spout provides awashing action~~ for the?nosed % Iintotcamming“engagementrwith thesedriving pistons and
block 111 and the insideeo? vthe mixingrlozzle and‘ dis-“Q
charge spouttherehy preventing the~build up of sugary ~
residues on these‘ surfaces and maintainingsthern'wima“
state of constantcleanliness. "
‘ ~
hencershiftsl them‘ jdownw’ardlyrto \open’the?rst and third ‘ “ ‘
‘ 24 bothishowtheleft-hand operati‘ln
f a,
‘ a
and second‘pistonfvalves
he its'nentrali'position
hencejthe ?rst '1 '
Returning now to a consideration it of the means, ~ for "r‘ ‘ '“hvand1e91ito
selectively actuatingv the ‘various, pistons in the ‘valve 7 jwill \be'seen in the showings [of FIGURES l5 and‘16“ ' ~
block assembly ‘639 by means of the» handle operated cam I iiiwhere?it‘willibe observed'fthat thetop surfaces of the
" ‘
shafts‘ 92 and 102, itfwill be“ seen fromdhe' showings ‘of, driving 'pfstonsfareiin"‘facinglrelationship to the?c‘am" ff
FIGURES 6, S, 14, 20 and ‘24 that the camchafts ‘when
shaft flats cut into'the carnshaftilz. t FIGURES‘ 1‘4 and‘v
86 areinto
so the
valve that
cam? shaft
' r24differ"inthat'theshowing of FIGURE'M ‘illustrates
{the caselwhere ,the‘rr'ight-hand operatingrléver 101 has a
'94 lie directly “above the top‘ sprfaceot the driving‘ piston T70. beenjlitorwardly "depressed; :whereas a‘ FIGURE‘ “24 illus
74 associated with the‘ ?rst piston valve; that the'cain
trates "the 'opposite condition‘ whereintlie right-hand '
?ats '95
cam-e shaft ?atsnW'and
tog " operating hand1e"101 is‘ in its're'arwardlytshifted 'pos‘i:
1 105 are disposed above the”drivi1ngjpiston‘ of/vthe third“
7 tion." ~ From the cross-sectional iview's of ‘FIGURES ‘.17 f ‘
willtbcseen that the cam shaitltliz
has been ‘caused
to ‘ ‘ ~~"~ ‘1
piston valve; and ?nally, that the cam shaft ?ats lltt? I75;,~"and"19,lassociated?ivithythe‘
rotate so that its periphery causes the depression of the
driving piston of both the third and fourth piston valves
by rotating the cam shaft flats res, 1M and 105 out of
facing relationship with the underlying driving pistons.
The showings of FIGURES 25 and 26‘ illustrate that
when the right-hand operating handle W1 is shifted rear
respectively for axial movement therewithin, the piston
disposed within the larger bore being biased into sealing
engagement with the bore end connecting to the smaller
bore by said second control means to thereby isolate said
inlet and outlet passages from one another, the piston
disposed within the smaller bore being axially shiftable
therewithin by said first control means for driving the
wardly, the third piston valve is actuated by the cam
piston in the larger bore out of its sealing engagement
shaft 182, but the fourth piston valve remains unactuated
by overcoming the bias of said second control means to
because the top of the driving piston is faced by the cam
shaft ?at 1M and hence remains undepressed.
10 thereby connect said inlet and outlet passages to one
another through said ?rst and second bores, said ?rst
From the foregoing it should be now clear that the
control means including a pair of end-to-end positioned
principles of my invention can be extended to other
rotatable cam shafts having a common rotational axis dis
arrangements whereby more or less than the four illus
posed substantially orthogonally to the‘cylindrical axis
trated combinations may be effected and although my in
vention has been described in connection ‘with, a particu 15 of each of said plurality of cylindrical lbores with the
extended axes of ‘the bores passing through the cam shafts,
larly illustrated embodiment thereof it is to be under
said cam shafts being rotatable independently of one
stood that various changes and modi?cations will now
naturally occur from time to time to those persons nor
another and having their meeting ends disposed adjacent
to the piston disposed within the smaller bore of a par
mally skilled in the art without departing from the essen
tial spirit or scope of my invention, and accordingly it is 20 ticular one of said plurality of valves, said cam shafts
when each in a ?rst position being ineffective to over
intended to claim the same broadly as well as speci?cally
come the bias of said second control means and when
as indicated by the appended claims.
rotated independently into any one of a plurality of
What is claimed as new and useful is:
other positions different from said ?rst position being
1. A valved ?uid mixing apparatus comprising, a
plurality of individual conduit lines including a separate 25 effective to cam the pistons in the smaller bores of said
particular valve and a selected other valve, each selected
valve in each of said conduit lines, each valve permitting
other valve being a different one of said plurality of valves
?uid ?ow through its associated conduit from an inlet
determined by the rotational position of said cam shafts,
end to an outlet end when actuated and preventing such
whereby said particular valve is always cammed by said
?uid flow when deactuated, control means operable for
selectively actuating the valves in said conduit lines, a 30 cam shafts when the latter are so rotated.
3. The valved apparatus according to claim 2 wherein
?rst valve being always actuated whenever said control
said ?rst bore is said larger bore and is connected out
means is operated, independently of whether any other
ward through the valve block by said outlet passage.
of said valves is also actuated, and a mixing nozzle
4. The valved apparatus according to claim 2 wherein
assembly coupled to said conduit lines comprising a nose
block disposed within a removable mixing nozzle and 35 said second control means includes a plurality of com
pression springs, one spring being disposed within the
discharge spout, said nose block having a plurality of
larger bore of each piston valve with one spring end
?uid ?ow passages extending therethrough from rear to
pressingly engaged with that end of the piston disposed in
front, each of said passages having an inlet end at the
said larger bore which is remote from the smaller bore.
rear of the nose block and an outlet end, the inlet ends
5. The valved apparatus according to claim 2 wherein
7 of said nose block passages being coupled respectively 40
said larger bore has an annular sealing ring disposed
to the outlet ends of said conduit lines and hydraulically
therein at its end connecting to the smaller bore, and said
isolated from one another, the nose block passage coupled
sealing ring effects a peripheral seal between said larger
to the conduit line in which is located said ?rst valve
and smaller bores when compressed by the end of said
extending forward and upward through the nose block
and terminating at an outlet end opening through the 45a piston disposed in the larger bore under the in?uence of
said second control means.
side of the nose block proximate the top thereof, the
6. The valved apparatus according to claim 2 wherein
remaining nose block passages extending forward
the piston disposed within the smaller bore includes an
through the nose block and terminating at outlet ends
axially extending portion of reduced cross-section en
on the front thereof, said mixing nozzle and discharge
gageable with that part of the piston in the larger bore
spout surrounding said nose block in closely spaced rela
which seals the end of said larger bore, said reduced
tion to the nose block sides to provide a space of small
cross-section portion being projectable into the larger
volumetric capacity into which the side opening nose
bore to thereby shift the piston therein out of sealing en
(block passage discharges, and being spaced forward of
the nose block front to provide a space of substantially 55 gagement with the end of said larger bore when said
?rst control means is selectively actuated, and wherein
larger volumetric capacity into which the front opening
said second ibore is said smaller bore and is connected
nose block passages discharge, said small and larger
outward through the valve block by said inlet passage.
volumetric capacity spaces being interconnected so that
7. The apparatus according to claim 1 wherein said
?uid flow from the side opening nose block passage also
discharges through the larger volumetric space and 60 nose block is generally cylindrical in shape with the cylin
drical surface de?ning the nose block sides and the ends
washes the sides and front of the nose block.
2. A valved ?uid flow control apparatus comprising, a
of the cylinder de?ning the rear and front of the nose
valve block, a plurality of piston valves in said valve
block, and further including a gasket extending periph
erally about the nose block cylindrical surface and dis
block, an inlet passage and an outlet passage in said valve
block for each valve, ?rst control means for selectively 65 posed rearward of the side opening nose block passage
effective to prevent ?uid ?ow rearward between the nose
opening said valves two at a time, and second control
means for automatically closing each opened valve when
said ?rst control means is deactuated, each of said piston
valves comprising ?rst and second end connected coaxial
cylindrical bores of different cross-sectional area formed
in said valve block, said inlet passage connecting one 70
of said bores outward through the valve block and said
outlet passage connecting the other of said bores out
ward through the valve block, ?rst and second pistons
_ close ?ttingly disposed within said ?rst and second bores
block and surrounding closely spaced mixing nozzle.
References Cited in the'?le of this patent
Caifery _____________ .. Oct. 25,
Benjamin ___________ __ Nov. 6,
King ________________ __ Jan. 1,
Cohen ______________ __ May 26,
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