Improvements in or connected with Purifiers for Middlings and other like Products.
Year: 1892

page_text: Date of Application, 30th Sept., 1892
Complete Specification Left, 29th June, 1893-Accepted, 29th July, 1893
PROVISIONAL SPECIFICATION.
Improvements in or connected with Purifiers for Middlings and
other like Products.
We
Ve,
JOSEPH BARRON, Corn Mill Engineer, and SAMUEL GREEN, Corn
Miller, both of Whitehall Road, Leeds, in the County of York, do hereby
declare the nature of this invention to be as follows:-
The object of our invention is to more efficiently separate dust from the air
which is drawn through middlings purifiers, and thus enable such air to be ejected
into mills or other suitable places without the use of stive rooms.
According to our invention we employ the usual screen used in middlings
purifiers, which screen may be fitted with any suitable tray or deflecting vanes.
Between the screen and the suction fan we provide a series of gutters fitted with
deflectors, which gutters run from the upper sides of the air chamber down to a
longitudinal trough, such trough being provided with a worm for removing the
material, or other suitable means may be employed for effecting this purpose.
The air after passing through the screen and tray is drawn up between the
gutters, and the fluffy or light particles contained therein (which have escaped
from the tray) are caught by the gutters, and transferred thereby down into the
longitudinal trough, from whence they are removed by the worm, or by other
suitable means.
These gutters may conveniently be made in pairs, one gutter having a hood over
same which is supported from the side of the gutter by a connecting plate, and the
second gutter being attached about midway on the connecting plate, and projecting
in the opposite direction to the first gutter. These pairs of gutters are then placed
side by side, each gutter without a hood projecting a short distance between the
next gutter and its hood, and so on to the full length of the machine.
The above described gutters may when desired be employed directly over the
screen, thus dispensing with the trays at present in use, in which case such gutters
may be arranged longitudinally in the machine.
Dated this 30th day of September 1899
BREWER & SON,
33, Chancery Lane, London, and 30, East Parade, Leeds,
Agents for Applicants.
COMPLETE SPECIFICATION.
Improvements in or connected with Purifiers for Middlings and.
other like Products.
We, JOSEPH BARRON, Corn Mill Engineer, and SAMUEL GREEN, Corn
Miller, both of Whitehall Road, Leeds, in the County of York, 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:
The object of our invention is to more efficiently separate dust from the air which
is drawn through "middlings purifiers," thus enabling such air to be ejected into
mills or other suitable places, thereby dispensing with the employment of "stive
rooms.
"
In order that our invention may be clearly understood and readily carried into
effect, we will proceed to describe same with reference to the accompanying
drawings, in which similar letters refer to like parts in all the figures.

page_text: Fig. 1 is a longitudinal section, and Fig. 2 is a transverse section, of a middlings
purifier, with our invention applied thereto. Figs. 3 and 4 are detail views.
According to our invention we employ the usual screen or vibrating sieve A and
suction fan B used in middlings purifiers, which screen or sieve A may be fitted
with any suitable tray or deflecting vanes; but we prefer to employ the vanes
described in our Specification of Patent No. 11,158 of 1892, and shewn at Figs. 1
and 2 of the accompanying drawings and marked C.
Between the screen A and the suction fan B we provide a series of gutters or
dust collector trays D, which run from the upper sides E of the air chamber down
to a longitudinal trough F, such trough F being provided with a
worm G for
removing the material; or other suitable means may be employed for effecting this
purpose.
By referring to Fig. 4, the construction of the gutters or dust collector trays D
may be clearly seen. These gutters are made in pairs, one gutter D' having a
hood D2 over same, which is supported from the side of the gutter D' by a
connecting plate D3; and the second gutter D' being attached about midway on the
connecting plate and projecting in the opposite direction to the first gutter D'.
The gutters are placed side by side, each gutter D projecting a short distance
between the gutter D' and hood D2; and to the lower or underside of the
gutters D', vanes H may be hinged and connected one with the other by means of
a rod (not shewn) and thus the space or opening between the gutters may be
regulated simultaneously.
The air after passing through the screen A and tray or vanes C is drawn up
between the gutters or dust collector trays D, and the fluffy or light particles
contained therein (which have escaped from the tray or vanes C) are caught by the
gutters or trays D, and transferred thereby down into the longitudinal trough F,
from whence they are removed by the worm G, or by other suitable means.
The gutters or dust collector trays D are preferably divided into sections, in
such a manner that any section can be readily removed and replaced in the machine
without interfering with the whole length of gutters. This may be effected by
attaching any suitable number of such gutters D to a frame J, whereby such
frame with its gutters can be quickly placed in position or removed from the
machine at will.
The above described gutters D may when desired be employed as a tray directly
over the screen or vibrating sieve A, as shewn at Fig. 3, thus dispensing with the
trays at present in use. In this arrangement, the said gutters D are placed longi-
tudinally in the machine and at the same incline as the screen or vibrating sieve A,
being attached thereto; consequently, the dust or light particles collected by such
gutters Dare transferred thereby down to the tail end of the machine, from whence
they are removed by any convenient outlet or opening. The under side of the tray
may be provided with deflectors D' which are attached to the gutters D'; or the
deflectors D' may be employed as deflectors and gutters combined, thus dispensing
with the gutters D¹.
It will be readily understood that the gutters D may be employed as a dust
catcher or as a tray, either separately or in combination, all according to the
requirements of the machine.
Having now particularly described and ascertained the nature of our said inven-
tion, and in what manner the same is to be performed, we declare that what we
claim is:
1. The construction of the gutters or dust collector trays D, substantially as and
for the purposes set forth.
2. The combination of gutters D', hoods D², connecting plates D³, gutters D²,
and hinged vanes H, substantially as and for the purposes set forth.
3. The gutters or dust collector trays D mounted in detachable frames J,
combined with the trough F and parts connected therewith, substantially as and
for the purposes set forth.

page_text: 4. The employment of the gutters or dust collector trays D immediately over
the screen or vibrating sieve A, substantially as and for the purposes set forth.
5. The general arrangement, construction, and combination of the various parts
forming the means or apparatus whereby the dust is separated from the air in
middlings purifiers, substantially as herein set forth.
Dated this 29th day of June 1893.
BREWER & SON,
London and Leeds, Agents for Applicants.