Electromagnetic Ore-Separator. Page: 3 of 5
This patent is part of the collection entitled: Texas Patents and was provided to The Portal to Texas History by the UNT Libraries Government Documents Department.
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
UNITED STATESPATENT OFFICE.
THOMAS CHARLTON, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-FIFTH TO ROBERT L.
DORBANDT AND ONE-FIFTH TO JAMES H. PARKER, BOTH OF EL PASO, TEXAS.
ELECTROMAGNETIC ORE-SEPARATOR.Specification of Letters Patent.
Patented Feb. 16, 1909.
Application filed October 7, 1907. Serial No. 396,138.
To all whom it may concern:
Be it known that I, THoMAS CHARLTON, a
citizen of the United States, residing at Chi-
cago, in the county of Cook and State of
5 Illinois, have invented certain new and use-
ful Improvements in Electromagnetic Ore-
Separators, of which the following is a full,
clear, and exact specification.
This invention relates to that class of ore
10 separators in which the particles of value,
together with the gangue or waste, are de-
posited upon a moving magnetic surface or
member which is so constructed and oper-
ated as to have the effect of permitting the
15 gangue to fall by gravity while the particles
of value are taken possession of by the mag-
netic surface and deposited separately, and
my invention has for its primary object to
provide an improved and efficient form of
20 magnetic ore separator in which the oppor-
tunity for gravity to act upon the particles
of value and thus prematurely detach them
from the magnetic surface will be deferred
for a period longer than heretofore and con-
25 sequently the possibility of the particles of
value falling from the machine while still
associated with the gangue will be reduced to
the minimum.
With a view to the attainment of these
30 ends and the accomplishment of certain
other objects which will hereinafter appear,
the invention consists in the features of
novelty which will now be described with
reference to the accompanying drawings and
35 more particularly pointed out in the claims.
In the said drawings Figure 1 is a dia-
grammatic side view of an electro-magnetic
separator embodying this invention. Fig. 2
is a similar view illustrating a modification
40 hereinafter described. Fig. 3 is a diagram-
matic plan view of the form shown in Fig.
1, looking at right angles to the plane pass-
ing through the axes of the rolls.
The moving magnetic surface before re-
45 ferred to in some instances is a magnetized
roll which constitutes one pole of a magnet,
while in other instances the same is a mov-
ing band or belt. In this exemplification of
my invention I have elected to show the
50 moving magnetic surface as a rotating mem-
ber or roll. Referring first to the form of
the invention diagrammatically illustrated
in Fig. 1, 1 is the magnetic roll which is
preferably made of soft steel or other likemagnetic metal and constitutes one pole of 55
a magnet, while 2 is a companion roll which
constitutes the other pole of the magnet
and these two rolls are magnetized in the
usual or any suitable way, as well under-
stood in this art and unnecessary to ex- 60
plain in detail. These two rolls 1, 2, are
so mounted that the roll 2, which is pref-
erably considerably smaller than the roll 1,
has its center of rotation considerably ele-
vated with respect to the center of the roll 65
1 so that it will be in a measure above the
roll 1 and hence material dropped upon the
roll 2 will be fed by it approximately upon
the top of the roll 1. When the two rolls
are magnetized the strongest points of the 70
poles will lie in a plane cutting the centers
of the rolls and consequently it will be seen
that the material fed by the roll 2 from any
suitable hopper 3 arranged thereover, will
be deposited upon the roll 1 at approxi- 75
mately the point on its surface where the
magnetism is strongest. This will enable
the roll 1 to take immediate possession of
the particles of value and carry them up-
wardly in the direction of the arrow 4 and 80
eventually drop them on the other side of
the roll 1, the smaller particles which might
still adhere being dislodged, if desired, by
a rotating brush 5 or other suitable means
engaging the surface of the roll 1 at the 85
under side thereof. This magnetic action of
the roll 1, however, has no influence what-
ever upon the silica or other particles of
the gangue which are freed or fall by gravity
the instant they strike the roll 1 and, as 90
they are not supported upon the roll 1 any
material length of time, they consequently
are not carried by centrifugal force over
the top thereof and again thrown into as-
sociation with the particles of value. The 95
rolls 1 and 2 may be magnetized in any
suitable way so as to constitute opposite
magnetic poles; for this purpose an electro-
magnet M is arranged adjacent thereof with
two pole pieces M1, M2 located close to the 100
rolls 1, 2 respectively, so as to communicate
their magnetism thereto as the rolls rotate.
The rolls 1, 2, are caused to rotate in the
same direction by belt 6 or any other suitable
means one roll, as roll 1, having a pulley 105
6x whereby it may be driven and the roll 2
is mounted in an adjustable support 7
i whereby its position with relation to theNo. 912,363.
Upcoming Pages
Here’s what’s next.
Search Inside
This patent can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Patent.
Charlton, Thomas. Electromagnetic Ore-Separator., patent, February 16, 1909; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth512725/m1/3/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.