May 1, 1928.
1,668,316
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R. HORTON
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MILK PASTEURI ZING SYSTEM
Filed June 21. 1926
Sheets-Sheet 1
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INVENTOR
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A?” PH Mmmw
A TTOR/VE VS
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May 1. 1928.
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1,668,316
R. HORTON
MILK PASTEURIZING SYSTEM
?f? [Tuned 21.. 1926 -
s Sheets-Sheet 2
May 1,1928.
1,668,316
R. HORTON
'
MILK PASTEURIZING SYSTEM
Filed June 21. 1926
3 Sheets-Sheet 3
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m BY
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A TTORNE YS
Patented May 1, 1928.
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UNITED“ STEA‘TiESi
PLATE‘
1
1,668,316
one!
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RALPHMHOTRTON‘,“ OF "NEW ‘YORK,"N,’ 'Y.‘
MILKQI’ASTEURIZING ~ "SYSTEM; '’ i
I Applicationu?led1511115121,
1926." Serial-1N0; 117,363.. ~
This“ invention‘relatesitozmilk.Pasteurizing reference “to :the accompanying‘; drawings
systems, andimore particularly to a- disehargr forminga part of this speci?cation, andéin. 55
.
ing device for rotary positive milku'holders which :~—
Fig.1 is a diagrammatic view‘ofla Pass
in such xsystems..= .
5 ' vThed’asteurization.10f. milk effected by teurization systemof preferred type; .
Fig.1 2 shows a plan View of the positive
heating ‘the milk. ‘to: a critical. L temperature
whichv :is& usually .betiveen;.:138°:~ to; 1451" E, rotary milk holder illustrated in Fig.1 1;.‘
and then 'holding the ‘ heatedanilk at this
‘Fig. 3 is an. elevational view of one of the
temperature. for a definite; period. which ,is compartments of the milk holder showing an i
oscillatable‘ siphon ‘discharge tube in ianoin>
10 usually taken as thirty minutes‘. . Theseus
tomary: iprocedureuis tor iconduct: milk. from
operative position ;- .
,
.
Fig.4: is a similar view to Fig. 8 show
a storage zreservoir lLOE'ét heaten Where the
l‘wW ‘milk is heated; toIv a Pasteurizing temper ing ,the discharge'tube in an operative posi
ature. o The-.heated milk isrthenidelivered to
tion;
F
15 a mill:holder;iwhiohdioldsthe milkat a Pas‘.
05
shows a fragmentary detailnview
teurizing temperature ion the prescribed of. the-joint o'l’ thesiphon tube with the
period‘ oii-‘time Atteinztheunilk has ._ been
Pasteurized and . .is ready. vtonbe. _ discharged
froinn :tli'eizPasteuirizing oholder, it
holder.»
,
‘V
e
‘
70
Similar characters of ‘ reference designate
Messen similar parts throughout the accompanying
20 tial that the treated milk shouldmnot. come drawings: =
into; contact. with. .unsterilized: apparatus ' or
The Pasteurizing system herein shown is‘
becomei. mixed; ‘.With _:.:uni-£Pas.teurized= milk. one olithegra vitytype, but my invention is
lvli'eirivalves and intricate . parts i. are used.v to not limited to- use with .this'type oi? system
controlothen?ow‘and .the. discharg e, of the as it is equally adaptable to any of the Well
25
75
~lE'a-steurized. =1nilk,.L-.it ~. is .dif?c ult ; to .‘mainta-in known' milk Pasteurizing systems. '7 Inthe
the aforesaid) parts in a sterilized: condition. system. shown‘ Min ‘Fig. 1 the raw “ milk is
Moreover; any . tankv vwhich has a valve must pumped to a storage. reservoir R v‘atthe. up 80
have-a valve seat with. the; consequent . result permost 'leveLoli-the system; From‘ this
that. somerleakagie; 012 seepage 0t 'umP-asteur reservoir the ‘milkwruns .by.;.gravity= to the .
30
iized milkioc'enrsivanound ,the; aforesaid :seat. rest-‘of thesystem, ?rstpassing:through a
.Asathe va'lve'isusually located at a pointin heater. Heofiany approved type'ivhere it is
the . tank-tor holder which is difficult, if not heated to a Pasteurizingtemperature." The 85
impractical toaheat; theuntPaste-urized milk heated milk. is conducted from the heaterto
which leaks ,‘orseeps through; the valve is ‘not a milk holder P bymeansof an approved ‘Y
3
subjected toethesamehheat treatment as the feed system. 1F.‘ Theholder Pris herein. de
milk iinnthentankeor holder»: ‘Any contami picted as. a continuous positive‘ rotary ,one
natedxinilk. which seepso-through he vvalve with heating jackets,~ but- any preferred
holdermay ‘be ‘provided with my impnoved
Will. J be. mna?'ected ; by the holding 401i Pas
40
teurization treatment, and Wilhnasthe tank discharging i'nechanisn'n
~isemptied1reecontaminate the Whole body of The ‘ rotary multi-compartment tholder re
millnf.v Oii' course, under. the aforesaid con volve-s‘ about an axis A {seewFign 2), and
ditions: the bene?t» of.‘ .the'l-Pasteurization :While ‘in motion,» each. §compartmenh is suc
trea.tment..-is absolutely‘ destroyed and . vi»
with milk heated tora Pasteurizing tempera
The primary: object‘ of theinventionis to ‘ture. .The heated milk. isheldi'in each of
eliminate: any. possibility of recontamination the’ thus ?lled compartments for» the pre
0fl_P8JSlLBL1TlZeCl milk atnthel-point of iCliS scribed :PGI‘lOCl; for example thirty minutes,
ill?ttetim
45
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.
95
.
100
at a Pasteurizing temperature By the time
Another object ofthe invention is to pro th‘ezholder has turnedthro-ugl‘i a part of a
~videx~a 'milkrholder particularly one of the .circ‘le~so-~ that ~tl1e1?lled compartment has
positive: rotary type; with an ‘automatic si reached: a stationary discharge cam or trip
chargein milk holder‘;
50
cessively .hlled by the Cl1£Ll‘g.lI1g.-(leVlCB"lG
.phonvdischarge. .
,
*
Theiinvention -.Will be vbestrunderstood by
Li
per ‘1).- this .‘cam strikes a .projectiom 1i 105
_on latch L so as to trip “or release an oscillat
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1,668,316
able siphon discharge tube S which drops
so that no leakage or seepage can occur at
into a discharge tank T. The siphon tube valve seats or the like, thus eliminating all
S is substantially V-shaped with the exterior possibility of re-contamination of the Pas
leg thereof lower than the interior leg. The teurized milk.
It will be further observed that my inven
milk immediately begins to ?ow through the
siphon tube due to the head of liquid above tion provides a milk holder with a discharge
the open end 13 01“ the exterior leg. The device which‘ is simple in construction and
flow continues even after the level of the operation, which is economical to manufac
70
liquid falls below the joint S of the siphon ture, which is easily assembled and dis
10
15
tube because a siphon has been established. mantled, and which is absolutely sanitary. ‘ 75
Various modi?cations may be made with
As the open end let of the interior leg tits
in a depression or sump, substantially the out departing from the nature of my in
entire compartment is emptied during the vention as de?ned in the appended claims.
1 claim:
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travel past tank T. As the holder P is
1. In combination a milk holder and a si~ 80
rotating continuously, each compartment is
successively ?lled by the charging device C phon means for discharging the holder, said "
with milk heated to a Pasteurizing tempera
20
ture, then held for the Pasteurizing period
at a Pasteurizing temperature, and ?nally
emptied into tank T. The apparatus func
tions continuously and automatically.
After the discharge of any compartment,
a roller 19 on a projection 9 positioned on
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siphon means being oscillatably mounted in
the side of said holder below the milk line,
one leg of said siphon means being posi
tioned within the holder and having its
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open end, when the tank contains milk up ~
to the milk line, held above said milk line,
said open end of said leg in the discharg
the underside of the exterior leg oi’ the si ing position occupying a. position adjacent
phon tube strikes a stationary cam 10 at the to the lowest part of the holder, the other 90
end of tank T which returns the tube to an leg of said siphon means being positioned -
inoperative latched position. The open end outside of the holder and, in the discharg
13 of the exterior leg strikes the underside ing position extending in a downward di
30
of tongue 11 of the latch and rotates it up
wardly about bar 12. l/Vhen the end 13 has
cleared the tongue, the latter, due to grav
ity, drops back into a latched position
against stop 15. The exterior leg then de
scends and engages the tongue so
35
rection to permit gravity discharge through
said siphon means of the entire contents of
95
the holder.
2. In combination a milk holder and a si
phon means for discharging the holder, said
to be siphon means being oscillatably mounted in
held in an inoperative latched position. In the side of said holder below the milk line
this position the open end 14 of the interior and consisting of two legs joined to each
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leg is adjacent to the top of the compart
other by an oscillatable connection so, as to
ment so that no milk can enter this leg while include an angle between them, one leg of
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the compartment is being ?lled during its said siphon means being positioned Within
the holder and having its open end, when the
passage by charging device C.
105
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In order to prevent any leakage at the tank contains milk up to the milk line, held
point where the siphon tube passes through above said milk line, said open end of said
the walls WV of the jacketed tank a ground leg in the discharging position occupying a
joint is formed between a nipple 2 posi position adjacent to the lowest part of the
tioned in the wall of the tank and jacket and holder, the other leg of said siphon means
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a collar 3 secured to the connecting tube 4 being positioned outside of the holder and,
(see Fig. 5). A spring 5 compressed be
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60
at the outer end of connecting tube Al to latable siphon tube mounted in the side of
facilitate the assembly and dismantling of said holder, and means to normally hold the
the siphon tube. As this tube has no valves siphon tube in an inoperative position, the
or intricate parts in its construction, there said means being adapted to disengage the
is no possibility of leakage or seepage of siphon tube into a discharge position.
un-Pasteurized milk to exterior parts there
A. In combination, a multi-compartment
of. Any milk which leaks through the milk holder rotatably mounted, an oscillat
ground joint falls upon the floor. Conse ablc siphon tube mounted in the exterior
quently, all possibility of recontamination side of each of said compartments, a latch
of the Pasteurized milk with Lin-Pasteur
65
in the discharging position extending in a
tween the jacket wall 6 and a washer 7 forces downward direction to permit gravity dis
the connecting tube outwardly so as to main charge through said siphon means of the en
tain a tight joint at 16 between the nipple tire contents of the holder.
2 and the collar 3. A union 8 is provided
3. In combination, a milk holder, an oscil
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secured to the side of each compartment to
ized milk during the discharge of the milk hold the siphon tube mounted therein in an
holder is eliminated. It is to be noted that inoperative position, a stationary tripper
with my improved siphon discharge no adapted to disengage each latch as it comes
valves, intricate parts, or the like are used in contact therewith so as to release each 130
1,668,316
siphon tube and thus cause the discharge of in in an inoperative position, a stationary
each compartment, and means to return each tripper adapted to disengage each latch as it
siphon tube to an inoperative latched po
sition.
5. In combination, a multi~compartment
milk holder rotatably mounted, the said ves
comes in contact therewith so as to release
each siphon tube and thus cause the dis
charge of each compartment, and means to
return each siphon tube to an inoperative
sel having aheating j acketincorporated there
latched position.
with, an oscillatable siphon tube mounted in
the exterior side of each of said compartments,
my hand.
10 a latch secured to the side of each compart
ment to hold the siphon tube mounted there
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In testimony whereof I have hereunto set
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RALPH HORTON.