Different Density or Specific Gravity.
Year: 1887

page_text: Date of Application, 19th Oct., 1887
KE
Complete Specification Left, 13th Aug., 1888
Complete Specification Accepted, 19th Oct., 1888
Different Density or Specific Gravity.
1, HENRY HARRIS LAKE, of the firm of Haseltine, Lake and Co., Patent Agents,
Southampton Buildings, in the County of Middlesex, do hereby declare the nature
of this invention to be as follows:-
This invention relates to centrifugal milk separating apparatus operating con-
tinuously, and which has been specially constructed with the object of providing
for great security against accidents caused by bursting of the apparatus, and which
by reason of the simplicity of its construction can be manufactured very cheaply, can
be readily cleaned, whilst it possesses at the same time great efficiency.
The drum of the centrifugal apparatus which is formed of cast steel in one piece is
provided at the bottom with an opening surrounded by a neck, whilst the top has in
the middle an enlargement with a hole for the passage of the shaft of the centrifugal
apparatus, and is provided above with an inclined annular neck which forms a cup
into which the milk to be separated is to be introduced through a pipe communicating
with a milk receptacle placed at a suitable point. This cup is provided at the bottom
with two or more holes that lead into the drum. To the sides of the drum are rivetted
At the bottom
two vanes which compel the milk to follow the rotation of the drum.
of the drum, tangentially to the above mentioned opening in the bottom, is arranged
a bent pipe, one end of which terminates in proximity to the side of the drum, whilst
the other end is passed in a vertical direction through a hole in the bottom of the
drum close to the outside of the neck of the opening in the said bottom. In this end
of the pipe is arranged, upon the outside from the shaft of the apparatus, a small hole
below the bottom of the drum. The passage through this hole can be regulated by a
cock plug inserted in the end of the pipe.

page_text: The shaft of the centrifugal apparatus, upon which the drum is suspended by bearing
against a shoulder thereon is provided with a pulley and moves in a step bearing
arranged in the stand and in an upper bearing which is arranged in a conical neck
projecting from the stand into or nearly into the middle of the drum. The lubrication
of this bearing is effected from a lubricator which is arrangod above a central, hole
in the shaft of the centrifugal apparatus; from the bottom of this hole two radial
channels conduct the oil to the friction surfaces of the bearing and shaft. Any
oil that may ooze from the bearing down along the shaft is caught up in the
cup, whence it is thrown during the motion into a gutter arranged in the stand and
conducted away.
The stand which is formed of cast iron and carries, for the sake of further security
against the effect of an eventual explosion of the drum, a casing of wrought iron,
which surrounds the drum. On the top of the casing is fitted a cast cover that
carries the above mentioned lubricator, and also a speed indicator to control the rotary
velocity of the centrifugal apparatus. This speed indicator comprises a worm wheel
arranged upon a horizontal rod, bent to an angle, which rod passes through a bracket
and can be moved forwards and backwards by means of the adjusting screw so that it
can be caused to engage with, or disengage from, a worm placed upon the shaft of the
centrifugal apparatus. For every revolution which the wheel makes, a bell at the
end of the rod is struck so that by observing how often the bell is struck in a definite
time the number of revolutions can be found.
In the stand itself is formed a receptacle wherein the cream passing out over the
lower edge of the neck of the centrifugal apparatus is collected and flows to a collecting
vessel through a discharge pipe. In the same receptacle is arranged an annular vessel
in which the milk pipe of the centrifugal apparatus terminates, and wherein the
separated milk passing through the said pipe is caught up to be conducted through the
outflow pipe to another collecting vessel.
The mode of operation of the centrifugal apparatus is as follows; by a suitable
communicating gear which is in connection with the pulley by a belt, the drum
of the centrifugal apparatus is set in rapid rotation. The milk which is to be separated
is then introduced into the receptacle formed on the top of the drum of the centrifugal
apparatus and is introduced through holes into the drum, where it is compelled by the
vanes to take part in the rotation. The introduction of milk is so regulated that the
latter remains long enough in the drum for a complete separation of the cream and
milk to be effected. According as more milk is introduced, the cream will be forced
through the opening in the bottom of the drum over the edge of the neck, and pass
down into the receptacle whilst the milk leaves through the pipe and the small opening
in the same, which can be regulated according to the rotary velocity, the admission of
milk and so forth by means of the cock, so that the discharge of milk and cream will
come into proper relation to each other.
If the centrifugal apparatus is to be cleaned after the termination of the work it is
dismounted by removing the cover after the worm wheel has been disengaged from
the shaft of the centrifugal apparatus by means of the screw after which the drum can
be taken from the shaft and the annular vessel is lifted out. When this has been
effected, free access is gained in order to clean every single part.
Dated this 10th day of Datahan 1907
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.

page_text: Improvements in Centrifugal Apparatus for Separating Liquids of
Different Density or Specific Gravity.
I, HENRY HARRIS LAKE, of the firm of Haseltine Lake & Co. Patent Agents,
Southampton Buildings, in the County of Middlesex do hereby declare the nature
of this invention and in what manner the same is to be performed, to be particularly
described and ascertained in and by the following statement:-
This invention relates to centrifugal milk separating apparatus operating con-
tinuously, and which has been specially constructed with the object of providing for
great security against accidents caused by bursting of the apparatus and which by
reason of the simplicity of its construction can be manufactured very cheaply, can be
readily cleaned, whilst it possesses at the same time great efficiency.
In the accompanying drawing
Figure 1 is a sectional side elevation.
Figure 2 is a section of the same on the line C. D.
Figure 3 is a side elevation of the apparatus.
Figure 4 is a plan of the same.
Figure 5 shows a detail of the discharge opening for the milk.
The drum A of the centrifugal apparatus, which is formed of cast steel in one piece
is provided at the bottom with an opening surrounded by a neck, whilst the top has in
the middle an enlargement with a hole for the passage of the shaft of the centrifugal
apparatus, and is provided above with an inclined annular neck which forms a cup into
which the milk to be separated is to be introduced through a pipe communicating with a.
milk receptacle placed at a suitable point. This cup is provided at the bottom with two
or more holes a that lead into the drum. To the sides of the drum are rivetted two vanes b
(figure 4) which compel the milk to follow the rotation of the drum. At the bottom
of the drum, tangentially to the above mentioned opening in the bottom is arranged a
hent pipe c one end of which terminates in proximity to the side of the drum, whilst
the other end is passed in a vertical direction through a hole in the bottom of the
drain close to the outside of the neck of the opening in the said bottom. In this end
of the pipe is arranged, upon the outside from the shaft of the apparatus, a small
hole (figure 5) below the bottom of the drum. The passage through this hole can
be regulated by a cock plug inserted in the end of the pipe; the construction of this
plug is shown in Figure 5.
The shaft B of the centrifugal apparatus upon which the drum A is suspended by
bearing against a shoulder e thereon is provided with a pulley and moves in a step
bearing y arranged in the stand C and in an upper bearing which is arranged in a
conical neck projecting from the stand into or nearly into the middle of the drum.
The lubrication of this bearing is effected from a lubricator i which is arranged above
a central hole in the shaft of the centrifugal apparatus; from the bottom of this
hole two radial channels conduct the oil to the friction surfaces of the bearing and
shaft. Any oil that may ooze from the bearing down along the shaft is caught up in
the cup whence it is thrown during the motion into a gutter m arranged in the
stand, and conducted away.
The stand C which is formed of cast iron of the shape shown in the drawing, and
carries, for the sake of further security against the effect of an eventual explosion of

page_text: the drum, a casing D of wrought iron, which surrounds the drum. On the top of the
casing is fitted a cast cover E that carries the above mentioned lubricator i, and also
a speed indicator to control the rotary velocity of the centrifugal apparatus. This
speed indicator comprises a worm wheel arranged upon a horizontal rod ¹ bent to
an angle, which rod passes through a bracket n" and can be moved forwards and
backwards by means of the adjusting screw n¹¹ so that it can be caused to engage
with or disengage from a worm * placed upon the shaft of the centrifugal apparatus.
For every revolution which the wheel n makes a bell m¹ at the end of the rod n¹ is
struck so that by observing how often the bell is struck in a definite time the number
of revolutions can be found.
In the stand itself is formed a receptacle o wherein the cream passing out over the
lower edge of the neck of the centrifugal apparatus is collected and flows to a
collecting vessel through a discharge pipe . In the same receptacle is arranged an
annular vessel in which the milk pipe c of the centrifugal apparatus terminates, and
wherein the separated milk passing through the said pipe is caught up to be conducted
through the outflow pipe r to another collecting vessel."
q
The mode of operation of the centrifugal apparatus is as follows. By a suitable
communicating gear which is in connection with the pulley by a belt, the drum of
the centrifugal apparatus is set in rapid rotation. The milk which is to be separated
is then conducted into the receptacle formed on the top of the drum of the centrifugal
apparatus and is introduced through holes into the drum where it is compelled by the
vanes b to take part in the rotation. The introduction of milk is so regulated that the
latter remains long enough in the drum for a complete separation of the cream and
milk to be effected. According as more milk is introduced, the cream will be forced
through the opening in the bottom of the drum over the edge of the neck, and pass
down into the receptacle whilst the milk leaves through the pipe c and the small
opening d in the same, which can be regulated according to the rotary velocity, the
admission of milk and so forth by means of the cock, so that the discharge of milk
and cream will come into proper relation to each other. If the centrifugal apparatus
is to be cleaned after the termination of the work, it is dismounted by removing the
cover E after the worm wheel n has been disengaged from the shaft of the centrifugal
apparatus by means of the screw after which the drum A can be taken from the
shaft B, and the annular vessel g is lifted out. When this has been effected, free
access is gained in order to clean every single part.
Having now particularly described and ascertained the nature of my said inven-
tion, and in what manner the same is to be performed, as communicated to me
by my foreign correspondent 1 declare that what I claim is
First. A continuous centrifugal milk separating apparatus of the construction above
described and shown in the accompanying drawings, wherein the milk to be separated
is conducted into the drum through the holes a extending from a cup shaped recess
formed in the upper part of the drum, whereas the separated cream is after the
discharge caught up by a cup or vessel o formed by the stand itself, and upon which
the collecting cup or vessel for the milk from which the cream has been separated is
arranged.
Second. A centrifugal milk separating apparatus which is open below, and is
arranged upon the shaft above the bearings in such a manner that there is no bearing
above the drum as above set forth.
1000
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.