IMPROVEMENTS IN APPARATUS FOR EXTRACTING OR SEPARATING OIL FROM METAL TURNINGS OR OTHER ARTICLES
Year: 1883

page_text: LETTERS PATENT to Alfred George Brookes of 59 Chancery Lane in the
County of Middlesex Patent Agent, for an Invention of "IMPROVEMENTS IN
APPARATUS FOR EXTRACTING OR SEPARATING OIL FROM METAL TURNINGS OR
OTHER ARTICLES" communicated to him from abroad by George William
Gregory of Boston in the county of Suffolk in the State of Massachusetts one
of the United States of America.
PROVISIONAL SPECIFICATION left by the said Alfred George Brookes at the
Office of the Commissioners of Patents on the 26th September 1883.
ALFRED GEORGE BROOKES of 59 Chancery Lane in the county of Middlesex
Patent Agent
"IMPROVEMENTS IN APPARATUS FOR EXTRACTING OR SEPARATING
OIL FROM METAL TURNINGS OR OTHER ARTICLES" (communicated to me from abroad
by George William Gregory of Boston in the county of Suffolk in the State of
Massachusetts one of the United States of America.).
In machine shops where oil is employed to prevent injuring the turning tools a
large quantity of oil is lost by inability to recover it from the metal turnings by
drainage, the means now commonly employed. The wear upon metal turning and
screw cutting taps and dies, is very much reduced by the employment of oil rather
than soda water, and the metal composing the article being turned is, by oil, left in
its best condition.
Many articles formed turned or threaded in oil, as bolts, screws, or nuts have to
be cleansed to remove the oil for packing.
The object of this invention is the production of a centrifugal machine containing
a pan adapted to receive metal turnings and oil or bolts screws nuts and other
articles coated or covered with oil which pan may be readily placed in or removed
from the drum of the machine the spindle of the said machine containing a cover
which is adapted to be forced down to cover the said pan and drum.
The drum and its pan are revolved rapidly within a surrounding jacket or case
adapted to receive the oil thrown out of the pan and between it and the drum and

page_text: the cover and the spindle is supported in or by elastic or yielding bearings so that
it may be revolved very rapidly with an unbalanced load without excessive jar
and by the consumption of but little power.
The invention consists in a centrifugal machine having a pan to receive metal
turnings or articles in the presence of or coated with oil, and from which the oil is
to be removed by centrifugal action the said chips or articles being left substantially
dry and the oil being saved.
This improved oil separating or recovering centrifugal machine
constructed
with a base provided with a column upon which by a bolt is screwed a jacket
inturned at its upper end and provided with an outlet. The base has a socket in
which is placed loosely a bolster and step which receives a spindle.
The bolster at its outer side has an annular flange which is a little smaller than
the opening in the socket and on the latter above and below the said flange are
indian rubber or elastic washers or packings.
The washer or packing will preferably have a steel washer placed upon it and
over the latter is placed a screw threaded washer which is screwed down into the
said socket-sufficiently to insure the proper amount of compression in the washers
or packing pieces. The screw threaded washer is notched at its periphery to be
locked in position in the socket by a suitable key. The upper end of the bolster
is provided with an oil cap of suitable shape to keep oil from the interior of the
socket.
The spindle has attached to it a flanged pulley which receives about it a belt
driven from a suitable cross or other shaft by a belt which is extended under
two idle pulleys which run on studs attached to a suitable projection of the
frame work.
The spindle within the aforesaid jacket has connected with it a stiff metal drum
which is preferably of cast metal bound by a wrought metal or steel band or hoop.
The upper end of the spindle is threaded as it preferably will be to receive upon it
a flanged nut and threaded to receive another nut. The flanged nut receives upon it
a stiff sheet metal cover and the latter is held in place thereon loosely by the second
nut so that the cover may be readily removed from the spindle whenever it is
desired to remove or replace an impervious pan having a tube and provided with a
flanged to rest upon the top of a drum
This pan receives in it the metal turnings or articles covered or coated with oil
and which in the pan are to have the oil removed from them. The pan is inclined
upward, and outward so that the oil in the metal turnings or on the metal articles
is thrown by centrifugal action up the said incline and forced out between the edge
of the said pan and drawn on one side and the closely fitting cover above or on the
other side the cover being so stiff as not to yield to the upward pressure of the
load and the space between it and the pan is so fine as not to permit the escape of
any of the chips or metal articles The outside of the pan is supported by the
drum. If desired a brake composed of wood held in a socket of an arm suitably
pivoted may be turned over and pressed upon the cover to stop the rotation of the
spindle.

page_text: SPECIFICATION in pursuance of the conditions of the Letters Patent filed
by the said Alfred George Brookes in the Patent Office on the 22nd March
1884.
ALFRED GEORGE BROOKES of 59, Chancery Lane in the County of Middlesex
Patent Agent
"IMPROVEMENTS IN APPARATUS FOR EXTRACTING OR SEPARATING
OIL FROM METAL TURNINGS OR OTHER ARTICLES (a communication to me from
Abroad by George William Gregory of Boston in the County of Suffolk in the
State of Massachusetts one of the United States of America)
In machine shops where oil is employed to prevent injuring the turning tools a
large quantity of oil is lost by inability to recover it from the metal turnings by
drainage the means now commonly employed
The wear upon metal turning and screw cutting taps and dies is very much
reduced by the employment of oil rather than soda water and the metal composing
the article being turned is, by oil, left in its best condition..
Many articles formed, turned or threaded in oil, as bolts, screws, or nuts have to
be cleansed to remove the oil for packing
The object of this invention is the production of a centrifugal machine as will be
hereinafter described, containing a pan, adapted to receive metal turnings and oil,
or bolts screws nuts and other articles coated or covered with oil which pan may be
readily placed in or removed from the drum of the machine the spindle of the said
machine containing a cover which is adapted to be forced down to cover the said
pan and drum
The drum and its pan are revolved rapidly within a surrounding jacket or case
adapted to receive the oil thrown out of the pan and between it and the drum and
the cover, and the spindle is supported in or by elastic or yielding bearings so that
it may be revolved very rapidly with an unbalanced load without excessive jar and
by the consumption of but little power.
My invention consists in a centrifugal machine substantially as hereinafter
described it having a pan to receive metal turnings or articles in the presence of or
coated with oil, and from which the oil is to be removed by centrifugal action
the said chips or articles being left substantially dry and the oil being saved as
set forth.
Figure 1. of the accompanying drawings represents in vertical section my
improved oil separating or recovering centrifugal machine
Figure 2 is a detail illustrating the two pulleys one of which is not shown in the
section.
The base A is provided with a column B upon which by bolt D is secured the
jacket C inturned at its upper end as at C¹ and provided with an outlet m. The
base A has a socket E in which is placed loosely the bolster and step G which
receives the spindle N.
The bolster, at its outer side has an annular flange H which is a little smaller
than the opening in the socket E and on the latter above and below the said flange
are india rubber or elastic washers or packings K and I.
The washer or packing K will preferably have a steel washer b placed upon it,
and over the latter is placed the screw threaded washer L which is screwed down
into the said socket E. sufficiently to ensure the proper amount of compression in
the washers or packing pieces K. and L. The washer L is notched at its periphery
to be locked in position in the socket E by the key a. The upper end of the
bolster is provided with an oil cup M of suitable shape to keep oil from the interior
of the socket I.

page_text: The spindle N has attached to it the flanged pulley O which receives about it
the belt n driven from a suitable cross or other shaft by a belt which is extended
under the two idle pulleys W. W¹ which run on studs X attached to a suitable
projection B¹ of the frame work.
The spindle F within the jacket C, has connected with it the stiff metal drum P.
which is preferably of cast metal bound by the wrought metal or steel band or
hoop R. The upper end of the spindle is threaded as it preferably will be, to
receive upon it the nut J flanged at d and threaded to receive the nut c. The nut J
receives upon it the stiff sheet metal cover U and the latter is held in place thereon
loosely by the nut c so that the cover may be readily removed from the spindle
whenever it is desired to remove or replace the impervious pan S having the
tube T and provided as herein shown with a flange to rest upon the top of the
drum P.
This pan receives in it the metal turnings or articles covered or coated with oil,
and which in the pan are to have the oil removed from them. The pan is inclined
upward and outward so that the oil in the metal turnings or on the metal articles
is thrown by centrifugal action up the said incline, and forced out between the edge-
of the said pan and drawn on one side and the closely fitting cover above or on the
other side, the cover being so stiff as not to yield to the upward pressure of the
load, and the space between it and the pan is so fine as not to permit the escape of
any of the chips or metal articles.
The outside of the pan is supported by the drum P. If desired, a brake f
composed of wood held in a socket of an arm g, pivoted at h on an ear i may be
turned over and pressed upon the cover U to stop the rotation of the spindle.
The shaft N in practice will be rotated at a speed of from 2000 to 2500 turns
per minute, and by reason of the flexible bearing or support for the bolster and
step the spindle is enabled to readily find its true centre of rotation notwithstanding
unequal loading and will not jar or shake the building or floor in or on which it is
screwed or bolted.
.
I do not broadly claim a centrifugal machine, composed of a rotating pervious
driver, and an outside jacket, nor do I broadly claim a yielding bearing such as
shown or such as are employed in sugar making.
Having thus described the nature of my said invention and means adapted for
carrying the same into practical effect I would have it understood that What I
claim is
The apparatus substantially as herein described for extracting oil from metal
turnings or articles, as and for the purposes set forth.
In witness whereof I the said Alfred George Brookes have hereunto set my
hand and seal this 22nd day of March in the year of our Lord one thousand
eight hundred and eighty four.
ATUDEN A PROOZ DO
ALUDED A BROOKES.
(E.S.)