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Патент USA US3023590

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March 6, 1962
3,023,580
E. W. DILG
MIXER
Filed Oct. 28, 1959
36
40/
4 Sheets-Sheet 1
lb15316!
\V”
INVENTOR.
EARL WlLLlAM
D ILG
BY
ATTORNEY
March 6, 1962
E. W. DILG
3,023,580
MIXER
Filed Oct. 28, 1959
4 Sheets-Sheet 2
ATTORNEY
March 6, 1962
3,023,580
E. W. DILG
MIXER
Filed Oct. 28, 1959
4 Sheets-Sheet 3
INVENTOR.'
EARL WILLIAM DILG
BY
Oh
58
. W
ATTORNEY
March 6, 1962
_
E. w. DILG
3,023,580
MIXER
Filed Oct. 28, 1959
4 Sheets-Sheet 4
INVENTOR.
EARL WILLIAM DILG
ATTORNEY I
United States Patent 0
C6
3,023,580
Patented Mar. 6, 1962
1
2
3,023,580
MIXER
Earl William Dilg, Dayton, Ohio, assignor to
38 is indicated in FIGURE 7 as being provided with a
Max Isaacson, Dayton, Ohio
Filed Oct. 28, 1959, Ser. No. 849,338
2 Claims. (Cl. 60-52)
This invention relates to a mixer, and is more par
ticularly concerned with a mixer operated by hydraulic
motors.
series of mounting holes 43 to permit the mounting there
to of the pressure relief or regulating valve 40.
A satis
factory valve for this purpose would, for example, be
one manufactured by the Dennison Manufacturing Co.,
and designated as relief valve model O63133A. This
valve controls the pressure of the oil transmitted to the
hydraulic motor 100, described hereinafter. A drain
conduit 42 leading from the pressure relief valve 40 ex
10 tends down to the sump 16.
An object of the invention is to provide a mixer for
A guage 67 may be in
serted within the conduit 65 communicating with con
mixing various types of ?uids and semi-?uids, which
is of simple construction, readily operable, and easily ad
duit 44 to measure the inlet pressure to the pressure re
lief valve.
justable. Another object of the invention is to provide
The outlet conduit 36 from the pump 4 also supplies
in a hydraulically operated mixer, an improved hydraulic 15 ?uid through conduit 54 to a 4-way valve 60 which con
system. These and other advantages will become more
trols the ?ow of ?uid to the lift cylinder 70. Fluid also
readily apparent, upon a reading of the description fol
?ows through conduit 46 to a ?ow control valve 50
lowing hereinafter and upon an examination of the draw
which regulates the speed of hydraulic motor 100 by
ings, in which:
transmitting ?uid through conduit 52. The output of
FIGURE 1 is a side view of the hydraulically operated 20 the pressure regulator valve 40 is fed through conduit
mixer of the invention,
82 through the manifold 38 to hydraulic motor 100.
FIGURE 2 is a top view of the mixer of FIGURE 1,
The 4-way control valve 60 is provided with four con
FIGURE 3 is a cross-sectional view taken along line
duits 54, 58, 72 and 74. When in the position shown in
3-3 of FIGURE 2,
FIGURE 9, flow from pump 4 is transmitted via conduits
FIGURE 4 is a cross-sectional view taken along line 25 36, '46, 54, past the ?ow restriction valve or metering
4—4 of FIGURE 3,
ori?ce 56 and through connecting conduit 58 to the
FIGURE 5 is a cross-sectional view taken along line
upper part of the lift cylinder 70. The cylinder will
5—5 of FIGURE 1,
then be caused to lower and thereby force the ?uid en
FIGURE 6 is a side view, partially in cross-section,
trapped below the piston within that cylinder out the
of the pump and motor mounting,
30 bottom of the cylinder and through conduit 72 to the ?ow
FIGURE 7 is an expanded perspective view of the con
control valve 60. Conduit 72 in the position of the
trol panel manifold of the invention,
valve ‘60 shown in FIGURE 9, is interconnected with
FIGURE 8 is a perspective view of the control panel
conduit 74 so that the ?uid ?owing out of the lift cyl
manifold of the invention when assembled, and
inder is transmitted via conduit 74 back to the sump 16.
FIGURE 9 is a schematic view of the hydraulic sys 35 As shown by the dotted lines in FIGURE 9, when it is
tem of the invention.
desired to lift the cylinder 70 the valve is positioned
As shown in FIGURE 1 and more clearly shown in
into the position shown by the dotted lines so that con
FIGURE 6, the mixer of the invention comprises a mo
duits 54 and 72 are interconnected to transmit ?uid from
tive power source 1 which consists of an electric motor
pump 4 to the lower part of the cylinder 70 and thereby
2 drivingly mounted to operate a hydraulic pump 4. 40 raise the piston to force ?uid out of the upper part of
The electric motor 2 is mounted upon a mounting bracket
cylinder 70 through conduit 58, and to the then inter
comprising standards 6, 6 and ?anges 8 and 10. The
connecting conduit 74 to the sump 16. Thus, by simple
?ange 8 is bolted to the motor 2 and the ?ange 10 is
manipulation of the handle 61 the ?ow control valve 60
bolted to the cover 12 of a tank 14. The motor 2 drives
can be positioned either to transmit ?uid from pump 4
the pump 4 through a locked coupling 7.
to raise or lower lift cylinder 70. Alternatively, a motor
The tank 14 is compartmented by means of ba?le 45 actuated automatic control can be substituted for the
plates into an oil compartment 16 and a coolant (prefer
manually operable handle 61. As indicated in FIGURE
ably water) compartment 18. Alternatively the coolant
7, the 4~way valve 60 is mounted on the front of mani
can be circulated through coils immersed in the oil tank
fold 38 by a series of mounting holes 45.
14. The oil level is indicated by gauge 20 and the oil
The lift cylinder 70 is more clearly shown in FIGURE
temperature is indicated by gauge 22. The coolant 50 3. Mounted upon the cover plate 12 of the tank 14 is
means is admitted through inlet conduit 24 and with
an external column 102. This column 102 is ?xedly
drawn out of tank 14 via outlet 26. Appropriate drains
mounted to the tank cover and its inner surface serves
28 and 30 are located on the underneath of the tank 14
as a bearing surface for an internal column 104 which
to drain the compartments 16 and 18, respectively.
is mounted ?xedly at its upper end to a top housing 106.
Pump 4 operates to draw oil via conduit 32 from the 55 The mating surfaces of the columns 102 and 104 are
oil sump 16 through pump 4 and through conduit 36 to
preferably polished to provide for easy sliding. Mounted
the manifold, described hereinafter. A drain 34 is pro
within the telescopic cylinders 102, 104 is the lift cylinder
vided from the pump 4 leading to the sump and drain
70 which consists of an outer cylinder 108 ?xedly
plug 28.
Reference is now made to FIGURES 7 and 8. The 60 mounted upon the lid 12 of tank 14, within which slides
an inner piston 110 appropriately ?tted with a plunger
control panel 38 which is mounted upon the tank 14 is
provided with a series of drilled passages having a series
of plugs 41 closing off the ends of selected bores so as to
112.
The piston is hollow and in turn slides upon a guide
tube 109. As shown in FIGURE 3, ?uid is transmitted
to the under side of the plunger 112 via conduit 72 and
is transmitted to the upper side of the plunger 112 via
to FIGURE 9, it is seen that the motor 2 drives pump 4
to withdraw oil from sump 16 via conduit 32. The 65 conduit 58 as explained heretofore. The inner shaft 110
is hollow and is mounted to slide upon the guide tube
pump 4- transmits oil through conduit 36 to the distribut
provide conduits as hereinafter described. Referring also
ing manifold 38. The various conduits shown in FIG
109 which forms the conduit 52 leading to the hydraulic
URE 9 are formed by drilled passages in the manifold
motor 100. The tube 109 and piston 110 are also pref
as shown in FIGURES 7 and 8. The outlet 36 from
erably polished on their mating surfaces.
pump 4 to the manifold 38 is distributed via conduit 44 70
As indicated above, the tubular member 110 is appro
to a pressure relief valve 40. The front of the manifold
priately af?xed by a fastening means 121 to a top housing
3,023,580
3
106. This top housing may be positioned in either of
three positions‘, two of which are shown inphantom form _
in FIGURE 2. The positioning of this top housing 106
is accomplished as shown in FIGURES l and 5 by means
of-a springloadedydetent 120which engages inaseries of
holes 122 in the internal ‘cylinder column 104.‘ The
operation of such device is believed readily apparent from
an examination of these ?gures.
'
'
'
i
4
a plurality of which are interconnecting, conduit means
including said manifold bores interconnecting said pump
to said reservoir and interconnecting said ?rst and second
?uid motor means in parallel ?uid circuit, said second
?uid motor means comprising three concentrically ar
ranged telescopic pairs of tubular members, one tubular
member being common to two of said pairs of tubular
members, said one tubular member being formed as a
'
piston and arranged to be raised and lowered by said
?uid, ‘said one tubular member being further
a top cover 126 which are arranged. for ready disen 10 hydraulic
mounted to integrally raise and lower said ?rst ?uid ‘motor
gagement when it is desired to service the motor. 100.
and element, said second valve means being positionable
The shroud 124 is provided with a shelf 123 to which the
into a ?rst operative position to interconnectuselected
internal column 104 is a?ixed and also to_ which the
bores
for transmitting ?uid to said second ?uid motor so
plunger 110 is affixed. Mounted at one end of the shelf
as
to
raisesaid
element and into a second‘ operative posi
123 is the hydraulic motor 100. This motorv serves to
tion‘ to interconnect the saidselected' bores in a diiferent
rotate a shrouded turbine 130to performthe mixing.
The top housing comprises a lower shroud 124 and
Fluid to drive the hydraulic motor 100 ?ows in from
conduit 52 and out through conduit 140 to the sump 16.
The motor 16.0, through an appropriate, coupling 132,
drives the drive shaft 134. which is journalled at 136. and
138. Coupling 132 preferably runs in an oil bath as
shown.
‘
'
i’
In operating the mixer, when the pump 4 is actuatedby
motor 2, ?uid is tran'smitted'through conduit 36 to the
manifold 38 and byrmanipulation of the 4-way control
valve 60 the lift cylinder 71) can be raised or lowered to
position the shrouded turbine 130into any desired posi
tion in the tank 150 to commence mixing of the vmaterial
to be mixed. The position of the shroudedtilrbine v130
is thus adjusted to that desired and the hydraulic motor
100 is actuated at a speed controlled by the setting of the
motor speed control valve 50. i’
'
i
'
As thus described, by the use of a simple hydraulic
syste_m,a,high' speed ~mixer is obtained which is particu
larly adapted for ‘mixing’ white ware, glazefan'd porcelain
enamel. The hydraulic’ motor drive has/‘in?nite speed
range, from zero ‘to ‘its, maximum, and eliminatesj'belting
or gearing. By the controli'manifold panel’oi the inven
tion, only two operating cointrolysare‘ necessaryi'one for
turbine shaft speedand one ‘for up, down ‘or neutral
positions. While,’ only a speci?c modi?cation. of the
mixerof the invention has been described, it‘will become
readily apparent'to, those skilled in the‘ art, that various
modi?eation'sfmay. be made without departing ‘from. the.
scope and spirit of the invention.
What! claim is':'
i
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i
1. A mixer, comprising in, combination: a motive
power‘sourc'e ‘including a motor and pump, a ?uid reser
voir, a unitary ‘?ow‘controlmanifold, aj?rst?uid ‘motor.
communicative, combination for transmitting ?uidto said
second ?uid’ motor’ so as to lower said element, a ?ow
restricting ori?ce means interposed between said pump and
said; second valve means and ‘a pressure relief valve
.means interposed. in said conduit means between the ?rst
motor meansand theout?ow of said ?rst valve means to
control the ?uid pressure transmitted to said ?rst motor
means
I‘
2. The mixer of claim 1 wherein said conduit means
comprises a m-ainconduit ‘leading from said pump to said
?rst motor means and ?rst. and second branch conduits
leading from said main conduit prior to said ?rst, motor
means, said pressure relief valve means being located in
said ?rst branch conduit, said second’valvebmeansgand
?ow restricting means being located in said second
branch conduit and the innermost telescopic pair of tubu
lar. members consisting of said piston member and an
inner tubular member forming a portion of saidconduit
for conducting ?uid from said pump to said ?rst ?uid
motor means.
References Citedin the ?le of this patent
UNITED STATES PATENTS
1,294,266
1,320,845
Hogg _______________ __ Feb. 11, 1919
Dayton et al ___________ __ Nov. 4_, 1919
1,911,132
Macomber ____________ __ May23, 1933
2,042,186
2,292,278
45.
2,481,731
2,511,184
2,568,528
2,635,586
means for ‘rotating an element, iamsecond ?uid motor 50, 2,665,122
2,706,623
means for raising ‘and lowering said element, a ?rst and a
2,860,487
second valve‘me‘ans' arranged tornQnitor-?ow to said ?rst
2,881,589
and second motor means respectively; said manifold com
2,896,677
prising a plate member having a series of bores therein
Peterson _____________ __ May 26,
Lorenz _______________ __ Aug. 4,
Dubin ______________ __ Sept. 13,
Walling _____________ __ June 13,
Welte’ _______________ __ Sept. 18,
Kuhn ___; ____________ __ Apr. 21,
1936
1942
1949
1950
1951
1953
Rowland __________ _'__y__._ Jan. 5, 1954
Styes _________ ___ _____ __ Apr. 19, 1955
Wheeler ___________ _i___ Nov. 18, 1958
Hi'tt et al. ________ __‘____ Apr. 14, 1959
Payzant ____ ______ __'____ July 28, 1959
"RMe
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