July 27, 1954
G, P, T|¢E
2,684,942
SERVICE HEADER FOR WATER SOFTENING INSTALLATIONS
Filed July 18, 1950
-
2 Sheets-Sheet 1
13
1O
@591
Inga/‘Liar
forcéon ?bzmicé Q3035;
‘15y
715W
Z E; M
July 27, 1954
G. P, TlcE
'
2,684,942
SERVICE HEADER FOR WATER SOF‘TENING INSTALLATIONS
Filed July 18, 1950
2 Sheets-Sheet 2
Patented July 27, 1954
2,684,942
UNITED STAij-i
ATENT OFFICE
2,684,942
SERVICE HEADER FOR WATER SIOFTENING
INSTALLATIONS
Gordon Patrick Tice, Northbrook, 111., assignor to
Oulligan, Inc., Northbrook, 111., a corporation
of Delaware
Application July 18, 1950, Serial No. 174,487
2 Claims.
(Cl. 210-24)
1
2
The present invention comprehends a novel
type service header including a plurality of ser
vice tanks adapted for commercial and industrial
operation and in series for regeneration in situ.
A further object of the present invention is
the provision of a novel service header for com
establishments, apartment buildings, institutions
mercial establishments, industrial plants, apart
and other large users of softened or treated water.
ment buildings, institutions and other large users
As the amount of softened water there required
of water in which the user is assured of large
is relatively large, the present invention is de
quantities of soft water at a minimum cost. As
signed to accommodate multiple installations of
the present novel installation is equippedv to
service tanks or units in such number and
handle any desired number of softener tanks or
manner as to fully and effectively satisfy the 10 units, the amount of water required betweenv re
needs of such large users, the amount of softened
generations determines the number of tanks or
water required between regenerations determin
units to be employed with the header.
ing the number of softener tanks or units in
Another object of the present invention‘ is the‘
stalled.
provision of a novel assembly or installation of a
Asthese tanks or units-in large installations re- 15 service header for a plurality of tanks equipped‘
quire relatively frequent regeneration and if
with manually actuated or push-button con
permanently installed and regeneration is
trolled valves, a brine maker, check valves, tim
limited to that that may be accomplished where
ing mechanism for timing the brine, and a brine
installed, they gradually lose their efficiency and
and rinse flow rate controller, all so constructed,
capacity due to the lack of sui?cient volume of 20 combined, arranged, and related as to permit
water or facilities available at the installation
successive parallel softening and backwashing of
to thoroughly backwash and reclassify the
the-tanks or units, and series brihing and‘ rinsing,
minerals or softening materials employed in the
after which the installation. is automatically re
tank. This gradual drop in capacity and efli
turned to its normalv operation of filtering andv
ciency necessitates more frequent regeneration 25 softening the hard water to‘ be treated.
in situ, on the part of the user and this neces
A still further object of the present invention.
sarily increases the time and labor required in
is to provide a novel water softening and regen
an endeavor to maintain the‘ maximum effective
eration system for a multiple softener installa~
ness possible under these conditions.
tion in which the user can repeatedly regenerate
In order to obviate these difficulties and‘ the 30 the softener units in situ when they become ex
resultant decrease in efficiency, the present in
hausted, and periodically, depending upon the
vention contemplates the periodic removal of the
turbidity of the water supply, removing and‘ re
individual service tanks or units and their re
placing the exhausted softener- unitsby, similar
placement by the service operator of other simi
softener units that have been professionally re-i
lar service tanks or units which the operator has 85 generated and serviced‘ by the service operator at
professionally serviced and in which he has com
his establishment, after which the removed units
pletely regenerated the minerals or softening
are taken by the operator to'his place of business
materials contained therein, whereby the user is
and there professionally serviced and regenerated
assured of the continued optimum ef?ciency of
Where he has’ all1 the facilities required for maxi
the equipment. The tanks or units removed and 40 mum efficiency in backwashing, regeneration and
replaced by the operator are then professionally
servicing of the removed units;
and completely serviced and made ready for re
The present invention further comprehends
installation wherever required.
the provision of a novel service header assembly
It is, therefore, an important object of the
with multiple softener units in which the con
present invention to provide a novel water soften‘ 45
nections may be easily and quickly altered to
ing installation or system for commercial users
in which multiple softener tanks are connected
in parallel during normal softening operation,
accommodate more or less units,depending upon
the water requirements.
Another important object of the present inven
and when regeneration is required these tanks
are quickly connected for series regeneration.
50 tion is the. provision of a novel means for and
manner of quickly connecting a multiplicity of
Another object of the present invention is the
softener units in parallel for softening and-back
provision of a novel water softening system em
washing and in series for regeneration and- rins
ploying multiple water softening tanks and a
novel valve arrangement whereby the tanks are
ing, and including a timer mechanism' which
connectedin parallel for normal water softening 55 automatically brines, rinses and shuts off: when
2,684,942
3
the steps of regeneration in situ have been com
pleted.
The periodic removal and replacement of the
multiple service tanks or units assures continuous
maximum effectiveness and capacity, and as the
novel installation permits the addition or the re
moval of tanks or units, if the user has seasonal
variations in water demands, service units can
be quickly added or removed, as desired or re
quired. As in the operation of this novel instal
4
large outlet or service pipe or conduit I 3 for‘
receiving and discharging the ?ltered soft water
after it has passed through the ?ltering and
softening materials in the multiple tanks or
softening units H.
In order to make the hard or untreated water
available in the outlet or service pipe l3 during
the period when minerals or materials in the
tanks or units are being regenerated, the inven
10 tion comprehends the provision of a by-pass I4
for the hard water into this service line during
the short period required for regeneration in
situ. The inlet pipe [2 for the entering hard
accordance with his water requirements.
water is provided with a gate valve [5 located
Water softening tanks of the removable and
interchangeable service type as herein employed 15 forwardly of any connection to the service tanks
or units I l and a gate valve I6 rearwardly of any
are preferably of the type disclosed in the Culli
connection to these tanks or units, while the
gan Patents No. 2,252,065, granted August 12,
outlet or service pipe [3 is provided with simi
1941, and No. 2,265,268, granted December 9,
larly located gate valves I‘! and I8 forwardly and
1941. These tanks are provided with quick de
tachable connecting means permitting each tank 20 rearwardly of the service tanks or units, respec
tively.
to be readily installed and periodically removed
The inlet pipe section 12a for the entering
by the service operator and replaced by another
water between the gate valves l5 and 16 connects
service tank, the replaced tank being removed by
to each of the service tanks or units H by a
the service operator to his place of business or
25 depending section of pipe or conduit l9 con
establishment for regeneration and servicing.
nected to a port 2| of a control valve 22, and
Further objects are to provide a construction
to a depending section of pipe or conduit 23 con
of maximum simplicity, efficiency, economy and
nected at one end to a port 24 from the under
ease of assembly and operation, and such fur
side of the valve 22 and at its other end connects
ther objects, advantages and capabilities as will
to the inlet manifold of each tank [I by a quick,
later more fully appear and are inherently pos
detachable coupling or connector 25 preferably
sessed thereby.
similar to the detachable connectors or couplings
The invention further resides in the construc
disclosed in the Culligan Patent No. 2,265,268.
tion, combination and arrangement of parts
In a manner reverse to that above described
illustrated in the accompanying drawings, and
while there is shown therein a preferred em 35 with respect to the intake passage of the hard
water downwardly into each tank or unit during
bodiment, it is to be understood that the same is
normal operation in which the entering hard
susceptible of modi?cation and change, and com
water is ?ltered and rendered soft by passage
prehends other details, arrangements of parts,
into and through the ?ltering and softening
features and constructions without departing
40 tanks or units H, the ?ltered soft water from
from the spirit of the invention.
each tank passes upwardly through an outlet
In the drawings:
manifold in the tank, through a quick detachable
Figure 1 is a diagrammatic view of a commer
coupling 25*:L similar to the coupling 25 and con
cial service header assembly with multiple tanks
nected to one end of a pipe section or conduit 26
connected for parallel softening and backwash
ing operations and for series brining and rinsing 45 with the other end of this pipe section conduit
lation the user pays on the basis of the number
of tanks or units employed, his cost varies in
operations.
Fig. 2 is a view in vertical cross-section through
one of the push button or manually actuated
attached to a depending port 27 on the control
valve 22. Another section of pipe or conduit 28
is connected at its lower or one end to a port 29
on the control valve and at its upper or other
control valves and showing the position occupied
by the valve plunger for normal softening and 50 end to the outlet or service line l3 for the ?ltered
soft water.
backwashing operation.
Fig. 3 is a cross-sectional view similar to Fig. 2
but with the valve plunger moved to the position
it occupies during the brining and rinsing opera
tions when regenerating the minerals or mate
rials in the tank.
Fig. 4 is a view, part in front elevation and
part in vertical cross-section, of the timer and
the valve actuated thereby for automatically
controlling the brining and rinsing operations.
Referring more particularly to the drawings
As shown more clearly in Figs. 2 and 3, each
manual control valve 22 includes a valve body or
housing 36 having the pair of upwardly opening
55 and spaced ports 2| and 29 and the depending
and downwardly opening spaced ports 24 and 27
for the passage of water, and a longitudinal bore
3| therethrough providing a cylindrical passage
in which is slidably mounted a valve plunger 32.
The slidable valve plunger is provided with suit
ably spaced heads or lands 33, 33a, 33b and 33° all
substantially conforming to but of slightly less
and to the novel illustrative embodiment there
diameter than internal diameter of the longi
in selected for showing a full and complete dis
tudinal and cylindrical bore or internal circum
closure of the present invention, the novel com
mercial service header I0 is shown as supplying 65 ference 3| of the housing. Each head or land 33
to 33° inclusive is provided with an annular, out
relatively large users of ?ltered soft water such
wardly opening channel 34 adapted to receive a
as industrial plants, commercial establishments,
resilient O-ring or sealing element 35 for seal
apartment buildings, institutions and the like.
ing contact with the cylindrical valve seating
To supply these large users, the present inven
tion comprehends the provision of multiple serv 70 surfaces on the interior of the bore or internal
circumference of the housing.
ice tanks or units II for softening, ?ltering and
The opposite ends of the valve plunger 32 are
conditioning the water, the tanks or units being
each provided with a knob or push button 36 to
connected to the header by a relatively large
permit the plunger to be moved manually to
inlet pipe or conduit [2 through which the hard
either of the positions shown in Figs. 2 or 3. In
or untreated water enters, and to a relatively
5
23884942‘
6.
the position shown in Fig. 2 and with the valve
plunger 32 moved to the right, passage of water
is permitted through the then connecting- ports
the softened water enters the outlet or service"
pipe I3 for carrying off the- softened water. for
2'I.v and‘ 24 as well as through the then connecting
ports 21' and 29. This is the position occu
header assembly accomplishes parallel softening‘
pied by the valve plunger during the normal
valves I5, ll, 38, 41 and 5I- are closed.
At any time during the day while the’ header‘
?ltering and softening operation as well as dur
ultimate use.
Thus it will be- evident that the
when the valves I5 and I8 are open and the
ing. backwashing prior to regeneration, as will be
later more fully explained; In the position shown
in Fig. 3 with the valve plunger moved to the
left, water is by-passed from the port 2i to the
then connectingv port 29, while the ports 24 and
21. are closed through the valve body.
assembly is functioning- to deliver soft water, the
During normal softening operation water
After backwashing has been accomplished
user may remove the lidv 62 of thesa-lt pot or brine
tank 44 and open the valve 46 controlling the‘
flow from the base of this salt pot or brine tank.
After allowing su?icient time for this tank to
drain, the valve 46 is closed: and the user adds
Connected to the inlet pipe or conduit I2 for
sufficient salt to this tank or salt pot to adequately
wardly of the gate valve 15' is a pipe section 3‘! 15 regenerate the number of tanks H connected to
connected through a valve 38 to the inlet port
the header. The valve 41 is then opened‘ and
39. of a timer valve assembly 4|. for timing and
water‘ from the pipe section 23 in the ?rst tank
controllingv the brine and rinse water. This timer
H is allowed to slowly ?ow into the salt pot or
valve is provided With an outlet port 42 con
brine tank 44 until the latter is ?lled to approxi
nected to the top or inlet end 43 of a salt pot or 20 mately the rim of the top opening. This accom
plished, the user is prepared to regenerate in
brine tank 44". A pipe or conduit 45 leads from
situ when required.
the. base of the brine tank, through a drain valve
When regeneration is necessary, this can be
46,, pipe sectionv 45a and a valve 4'! to the pipe
quickly and easily accomplished by‘ the manipu
section 23 of the ?rst or adjacent softener tank
I'I- Pipe sections or conduits 43 connect the 25 lation of the valves in the following manner.
softener. tanks in series between the outlet pipe
Valve I5 in the inlet pipe I2 and valve I8 in the
section. 26 tov each succeeding inlet pipe section
service line are closed and valves I‘! and H51 are
opened, whereby water entering the pipe I2 there
23 and. with the last pipe section or conduit 48
connected. to the drain 49 through a rate ?ow
upon flows through the by-pass I4 into the service
controller 50. and a valve 5|.
pipe I3, but as the valve I8 is closed this water
The timer valve assembly M is shown in detail
flows downwardly through the parallel arranged
in Fig. 4.and comprises a valve housing 52 having
pipe sections 28, passes downwardly through the
the inlet port 39 and outlet port 42 connected
connecting ports 2tv and 2‘! of the control valves
through an opening or passage 53 encompassed
22 (see Fig. 2) , through the pipe sections 26 and
by avalve seat 54. To control the ?ow through 35 what is normally the outlet connectors or cou
this passage 53 and the outlet port 42, a sealing
plings 258, then downwardly through the minerals
valve member 55 comprising a resilient sealing
or materials in the tanks II, upwardly and out
washer or element is mounted or carried on the
wardly through what is normally the inlet cou
lower end of a vertically movable valve stem 56.
plings or connectors 25, pipe sections 23, through
This valve stem. is spring-biased toward its
the connecting ports 24 and 2I of the control
raised, closed position, but may be manually
valves 22, and upwardly through the pipe sec
lowered by pressure applied to a knob or. push
tions I9 and into the section I2a of the inlet
button 51 on the upper end of a valve plunger 58.
pipe. As the valve I5 is closed and the valve I6
A timer or. timing mechanism on the housing
is open, this water flows outwardly through the
52; includes a dial 5.9 calibrated in minutes or .
valve I6 to the drain 49. This backwashing oper~
other suitable designations of time, and an in
ation is for the purpose of removing excess tur
dicator or pointer 6| to permit the user to set the
bidity in the water and loosening the minerals
timer for any contemplated or required period of
or zeolite in the bed of each tank. In this oper
time, whereupon the timer automatically releases
ation the water flows through the tanks II',
the valve plunger 58 and the spring-biased valve 50 through their connections and through the con
stem 56 is raised and elevates its valve member
trol valves 22 in the reverse'directionv from the
55 to its normal closed position against the valve
direction of flow during the normal softening
seat 54 as shown in Fig. 4. The details of this
operation, butlwith the control valves 22 main
timer valvev assembly may be similar to those dis
tained in the position shown in Fig. 2. If de
closed in the co-pending Hintz application Serial 55 sired, the ?lling of the salt pot may be done at
No. 96,010, filedMay 28, 1949.
this time or accomplished as previously described.
enters the inletpipe I2 and with the valve 38
which normally requires approximately ?ve min
controlling the flow to the timer valve 4I and
utes or until the water runs clear at the drain 49,
the brine tank or salt pot 44, as well as the valve 60 the valves I6 and I‘! are closed and the valves
47 for ?lling the salt pot 44, the valve 5| for
I5 and I8 are opened. The plunger 32 of each
checking- the softener tanks I I after brining
control valve 22 is then moved or pushed to the
and rinsing, and valve l1 and valve I6 all closed,
left to the position shown in Fig. 3 in which water
this entering water flows through pipe section I2a
is by-passed or diverted from each port 2| to its
and into the parallel. tanks I'I through the pipe 65 port 29, and the brine and rinse timer valve 4|
sections I9, connecting ports 2| and 24 of‘ the
is set for a desired period and its knob 5‘! is
control‘ valves 22, pipe sections 23 and inlet con
depressed. Valves 38, 41 and ‘5| are then opened,
nectors or couplings 25 of these tanks.
whereby water ?ows from the inlet pipe I2 down
The entering water after being treated or con
wardly through the pipe section 31, through valve
ditioned by passing through the bed of minerals 70 38, through the inlet port 39 of the brine and
or. softening materials in the tanks I I, passes up
rinse timer valve 4| and out‘ through the passage
wardly through the couplings. or connectors 25a,
53 (see Fig. 4) which has been opened upon de
pipe sections 26;‘ connecting ports 27 and 29‘of
pressing the knob 51, through the outlet port 42
the control valves 22 (see Fig. 2), and then up
and into the brine tank.
The brine from the tank
wardly through the pipe section 28 from where 75 44 is forced out through the pipe sections 45 and
2,684,942’
7
8
45“, through the valve 41, downwardly through
tions during regeneration, said valve having a
the pipe section 23 and into the initial tank H,
through the minerals in this tank, upwardly and
outwardly through the pipe section 25 of this ini
tial softener tank I I.
to the inlet and outlet conduits and to the in
let and outlet of the tank and a movable plunger
for controlling the passage of water through said
As the control valves 22 are in the position
shown in Fig. 3, the brine cannot pass through the
initial control valve nor through the succeeding
ones, but must pass into and through the succes
sive tanks II in series through their connecting
pipes 48. Each pipe 48 is preferably provided
with a check valve 60 whereby to permit checking
valve body provided with multiple ports connected
ports, said plunger in one position connecting
the ports to the inlet and outlet pipes for the
passage of water from the inlet and outlet con-.
duits to the tank for parallel softening and back
washing and in another position disconnecting
the ports for the passage of water from the in
let conduit to the tank and from the tank to the
outlet conduit and connecting the tanks in series
of the individual tanks H. The rate flow con
through the pipe connecting the outlet pipe of one
troller 50 in the pipe 48 leading from the last tank
[I automatically regulates the ?ow rate of the 15 tank to the inlet pipe of the adjacent tank for
series brining and rinsing.
brine and rinse, and in the present embodiment
2. In combination, a header assembly and re
excellent results have been secured by regulating
generation
mechanism for commercial and in
this brine and rinse ?ow rate at approximately
dustrial establishments, apartment buildings, in
one and one-half gallons per minute.
stitutions and other large users of ?ltered soft
The pipe 48 from the last tank H discharges
water, a plurality of portable and removable
the brine and, rinse water through the open valve
softener tanks containing a bed of material for
5| to drain. This salting and subsequent rinsing
treating the delivered untreated water and each
to remove all salt continues for the prescribed
having an inlet and an outlet, said header as
period, whereupon the timer valve 4| automati
sembly including a common inlet conduit and
25
cally closes and re-establishes normal softening
a common outlet conduit each of a size to sup
operation as set forth below.
ply water to the plurality of softener tanks for
The valve 5| is preferably provided with a pet
the treating and softening of the raw water sup
cock 591 to permit checking or testing of the dis
ply and for the regenerating of the treating ma
charged water for softness. In the event the
terial including the steps of backwashing, brining
discharged water does not satisfy the requirement 30 and rinsing, plural pipes depending from the
as to softness, the timer may be set for several
more minutes. ‘When the desired degree of soft
ness has been established, the valves 38, 41 and 5|
are closed and the valves 22 are moved to the
common inlet and outlet conduits with a pipe
connecting the inlet and another the outlet of
each tank to the inlet and outlet conduits of
the header assembly, a valve for each tank bridg
35
position of Fig. 2 for normal softening operation.
ing each pair of pipes of said tank and located
By retaining the valves 15 and I8 open during
between said tank and the inlet and outlet con
regeneration, the user is assured a supply of water
duits, a pipe connecting the outlet pipe of one
even though it has not been treated. This is due
tank to the inlet pipe of an adjacent tank be
to the fact that water entering pipe sections i9
tween its valve and the tank, a brine tank, means
is by-passed or diverted from the port 2| to the
for timing the brining and rinsing operations
then connecting port 29 (see Fig. 3) of each con
during regeneration, said valve having a valve
trol valve 22, and the by-passed water flows up
body provided with multiple ports connected to
wardly through the pipe sections 28 into the serv
the inlet and outlet conduits and to the inlet
ice pipe 13.
and outlet of the tank and a movable plunger
45
This regeneration in situ may be accomplished
for controlling the passage of water through said
as frequently as required, but to obviate any
ports, said plunger in one position connecting
appreciable drop in capacity and e?‘iciency it is
the ports to the inlet and outlet pipes for the pas
contemplated that the service tanks or units ll
sage of water from the inlet and outlet con
be periodically removed and replaced by the
duits to the tank for parallel softening and back
service operator with tanks that have been pro 50 washing and in another position disconnecting
fessionally serviced, whereby the user is assured
the ports for the passage of water from the inlet
of maximum ef?ciency without interruption.
conduit to the tank and from the tank to the
Having thus disclosed the invention, I claim:
outlet conduit whereby the tanks are connected
1. In combination, a header assembly and re
in series through the pipe connecting the out
generation mechanism for commercial and in 55 let pipe of one tank to the inlet pipe of the ad
dustrial establishments, apartment buildings, in
jacent tank for series brining and rinsing, and
stitutions and other large users of ?ltered soft
simultaneously connecting the ports from the in
water, a plurality of portable softener tanks each
let conduit to the outlet conduit for supplying
containing a bed of material for treating the de
to the latter untreated water during brining and
livered hard water and provided with an inlet 60 rinsing.
and an outlet, said header assembly including a
References Cited in the ?le of this patent
common inlet conduit and a common outlet and
service conduit, plural pipes depending from the
UNITED STATES PATENTS
common inlet and outlet conduits with a pipe
Name
Date
connecting the inlet and another the outlet of 65 Number
1,696,396
Trewhitt et al ______ __ Dec. 25, 1928
each tank to the inlet and outlet conduits of
1,763,784
Hodkinson _______ __ June 17, 1930
the header assembly, a valve for each tank
2,042,749
Van Eweyk ________ __ June 2, 1936
bridging each pair of pipes of said tank and lo
2,046,265
Hewetson ________ __ June 30, 1936
cated between said tank and the inlet and out
Culligan _________ __ Aug. 12, 1941
let conduits, a pipe connecting the outlet pipe 70 2,252,065
2,315,223
Riche ____________ __ Mar. 30, 1943
of one tank to the inlet pipe of an adjacent tank
2,458,115
Swenson __________ __ Jan. 4, 1949
between its valve and the tank, a brine tank,
2,506,711
Evans ____________ __ May 9, 1950
means for timing the brining and rinsing opera