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Патент USA US2270946

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Jan‘ 27, 1942-
R. c. HOPKINS _
_
2,270,946v
HYVDRAULIC BLENDING MACHINE
Filed Feb. 9, 1940
1.9
14
12 M 2/2’ ‘.6.’ 17010117716
Patented Jan. 27, 1942
2,270,946 '
UNITED STATES PATENT OFFICE
2,270,946
HYDRAULIC BLENDING MACHINE
Robert C. Hopkins, Alliance, Ohio
Application February 9, 1940, Serial No. 318,085
3 Claims. (01. 83-6)
The invention relates to machines for blend
ing oil, gasoline and other liquids and viscous
materials which may be mixed and blended,'and
more particularly to a hydraulic blending ma
chine comprising a rotary attrition mill and a
Fig. 2, a transverse section through the turbine,
taken as on the line 2—2, Figure 1; and
Fig. 3, a transverse section through the mill, '
taken as on the line 3—3, Fig- 1
Similar numerals refer to similar parts
hydraulic impulse turbine or wheel directly con
throughout the several views.
nected thereto, so that the liquids to be blended
The mill is enclosed within a housing generally
may be admitted under pressure to the machine
indicated at l0, preferably of cylindrlc shape
to rotate the turbine and drive the mill, whereby
and located in horizontal position.
the liquid is given a preliminary mixing as it 10
A cap or head I I is connected to one end of
passes through the turbine and is further mixed
the housing III as by bolts l2 and is provided
and blended as it is passed through the mill.
with an entirely enclosed bearing portion H with
The machine may include a rotary cutting,
in which is located a bearing or bushing of any
mixing and attrition mill of the general type
well-known type as shown at I4, within which
shown in my prior Patents No. 1,764,020 dated’
the journal portion l5 of the adjacent end of the
July 17, 1930; No. 1,775,721 dated September 16,
shaft It may be journaled.
1930; No. 1,796,104 dated March 10, 1931; No.
The other end of the housing I0 is closed by
1,873,409 dated August 23, 1932; or No. 2,111,364
the head or cap I‘! connected to the housing II
dated March 15, 1938, comprising generally, a
as by bolts I8 and so shaped as to form a hous
rotary cutting, mixing and attrition member as; 20 ing for the turbine which will be later described.
sociated with a plurality of attrition chambers,
A hearing portion I9 is formed in the head l1
an impulse turbine or wheel being fixed upon the
and the journal portion 20 of the shaft I3 is
shaft of said rotary member ‘located within a
journaled therein.
housing communicating axially with the attrition
A rotary cutting unit is carried upon the shaft
mill
25 l6 which may be in the form of a plurality of
An object of the invention is to provide a hous
disk saws. For this purpose a hub 2| may be
ing totally enclosing all of the operating mecha
?xed upon the shaft l6 as by the key 22.
_
nism of the blending machine with all bearings
A collar 23 is formed or ?xed .upon the shaft
entirely enclosed so as to prevent any leakage of
l6 adjacent to the journal 20 to engage the ad
the liquids passing through the machine, where 30 jacent end of the hub 2| in order to position the
by explosive liquids such as benzine, gasoline and
same relative to the shaft.
the like may be safely processed in the machine.
An- annular ?ange 24 is formed upon the ad
jacent end of the hub.
Another object is to provide a hydraulic blend
ing machine comprising a self-contained attri
A plurality of disk saws 25 is mounted upon
tion mill and directly connected turbine for driv 35 the hub 2| and extends from the’?ange 24 to a
ing the mill by pressure of the liquid being
point near the other end of the hub, at which
blended.
point a ring ?ange 26 may be located around the
hub and clamped against the adjacent end of the
A still further object is the provision of a com
gang of disk saws as by a nut 21 threaded
bined turbine and attrition mill through which
the liquid is passed in order, whereby the liquid. 40 upon the adjacent end portion of the hub, thus
clamping the gang of saws tightly between the
is given a preliminary mixing in the turbine and
?ange 24 and the ring ?ange 26.
is then further mixed and blended in the mill.
A jam nut 28 may be located upon the thread
A further object is to provide a blending ma
chine in which the speed of the mill is controlled 45 ed portion 29 of the shaft, a washer 30 being in
terposed between said jam nut and the nut 27
by the pressure of the in?owing liquid.
upon the hub, for locking the nut 21 in adjusted
The above objects together with others which
position.
.
will be apparent from the drawing and following
A
washer
3|
may
be
located
around the journal
description, or which may be later referred to,
may be attained by constructing the improved 50 portion l5 of the shaft between the cap II and
the nut 28 for taking the end-thrust of the shaft
hydraulic blending machine in the manner illus
in this direction.
trated in the accompanying drawing in which
A plurality of attrition chambers 32 may be
Figure 1 is a longitudinal sectional view
through a hydraulic blen ' g machine construct
ed in accordance with the invention;
formed within the housing III by means of longi
tudinal partition walls 33 and transverse parti
tlon Walls 34 extending inward from the housing‘
2,270,940
2
to a point closely adjacentthe periphery of the
gang of saws 25.
'
An impulse wheel 35 is ?xed upon the reduced
portion 20 of the shaft within the turbine hous
' ing l1 and a partition wall 38 is located between
the impulse wheel and the rotary cutting unit
above described, dividing the turbine from the
between the turbine chamber and the interior of
the main portion of the housing, and a liquid
outlet at the other end of the housing.
2. A hydraulic blending machine comprising a
horizontally disposed, substantially cylindric
housing, a cap entirely enclosing one end of the
housing and shaped to form a turbine chamber,
a partition wall between the turbine chamber
mill, the central opening 31 in said partition wall
and the adjacent end of the housing, a cap en
forming the only communication between the
10 tirely enclosing the other end 0! the housing, a
two housings.
concentric bearing socket in each cap, said sock
An inlet neck 88 communicates with the tur
ets being open only to the interior of the hous
ing, a shaft located longitudinally through the
outlet pipe 88 leads from the opposite end of the ' housing and journalled at its ends in said bear
mill housing [0 to any suitable storage recep 15 ing sockets, a plurality of disc saws ?xed upon
bine housing for the purpose of admitting ?uid
under pressure from any suitable source, and an
the shaft in the main portion of the housing,
tacle.
‘
.
In the operation of the improved blending ma-.
chine, oil, gasoline, or other liquid or viscous ma
terial is admitted under pressure through the in
let 88 driving the turbine and through it the di
rectly connected rotary unit in the mill.
The liquid is given a preliminary mixing as it
passes through the turbine ‘and is then dis
charged through the central opening 31 into the
mill housing l8 passing around the periphery of
the ?ange 24 and into the attrition chambers 82.
The liquid is given a violent agitation within
‘each chamber by means of rotating the gang of
disk saws, being thoroughly mixed and blended
as it passes from one chamber to the next until
it is ?nally discharged through the outlet pipe 88.
It will be seen that the combined turbine and
mill forms a wholly enclosed structure having no ,
shafts projecting through packing glands or the .
a series of longitudinal partitions upon the inte
rior of the. housing ‘extending inwardly to points ,
closely adjacent to the disc saws and dividing
the housing into a plurality of attrition cham
bers, a turbine wheel ?xed upon the shaft with
in ‘the turbine chamber and comprising a plu
rality of radial vanes having their outer ends
curved in‘ the direction of rotation of the tur
bine wheel, a single, tangential liquid inlet com
municating with the turbine chamber, there be
ing a central opening‘ in the partition wall of
greater diameter than the shaft forming the
only communication between the turbine cham
ber. andthe interior of the main portion of the
, housing, and a liquid outlet at the other end of
the housing.
,
3. A hydraulic blending machine comprising a
horizontally disposed, substantially cylindric
like, thus, preventing any dangerous leakage 'of
in?ammable material passing through the ma
housing, a cap entirely enclosing one end of the
housing and shaped to form a turbine chamber,
chine.
the adjacent end of the housing, a cap entirely
'
The liquid will be delivered to the inlet 88 by
means of a pump or other pressure medium and
a partition wall between the turbine chamber and
enclosing the other end of the housing, a con
by raising or lowering the pressure of the same 40 centric bearing socket in each cap, said sockets
being 'open only to the interior of the housing, a
the speed of the machine may be controlled.
shaft
located longitudinally through the hous
1 claim:
ing and journalled at its ends in said bearing
1. A hydraulic blending machine comprising a
sockets, a plurality of disc saws ?xed upon the
horizontally disposed, substantially cylindric
housing, a cap entirely enclosing one end of the 45 shaft .in the main portion of the housing, a se
ries of longitudinal partitions and a'series of
housing and shaped to form a turbine chamber,
transverse partitions upon the interior of the,
a partition wall between the turbine chamber
housing extending to points closely adjacent to
and the adjacent end of the housing, a cap en
the disc saws and dividing the housing into a plu
tirely enclosing the other end of the housing, a
concentric bearing socket in each cap, said sock 50 rality of attrition chambers, a turbine wheel
?xed upon the shaft within the turbine chamber
ets being open only to the interior of the hous
and comprising a plurality of-radial' vanes hav
ing, a shaft located longitudinally through the
ing their outer ends curved in the direction of
housing and journalled at its ends in said bear
rotationof the turbine wheel, a single, tangen
ing sockets, a plurality of disc saws ?xed upon
the shaft in the main portion of the housing, 55 tial liquid inlet‘ communicating with the turbine
chamber, there being a central opening in the
a turbine wheel ?xed upon the shaft within the
partition wall of greater diameter than the shaft
forming the only communication between the
turbine chamber and the interior of the main
single, tangential liquid inlet communicating 60 portion of the housing, andAa liquid outlet at the
other end of the housing.
with the turbine chamber, there being, a central
opening in the partition wall of greater diameter
ROBERT C. HOPKINS.
than the shaft forming the only communication
turbine chamber and comprising a plurality of
radial vanes having their outer ends curved in
the direction of rotation of the turbine wheel, a
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