Improvements in Electric Accumulators.
Year: 1899

page_text: :
PROVISIONAL SPECIFICATION.
Improvements in Electric Accumulators.
I, ANATOLE PERRIN, of Levallois Perret, in the Department of Seine, Republic
of France, Engineer, do hereby declare the nature of this invention to be as
follows:-
L
The present invention has for its object certain improvements in accumulators.
One of the characteristic features. of my improved accumulator consists in the
insertion between the positive and negative plates of separator plates provided
with mouldings or beadings adapted to prevent contact between the said positive
and negative plates and consequently obviate internal short circuiting.
Each of the said separator plates is essentially composed of a plate of celluloid
or other material which is a non-conductor of electricity, perforated with holes
so as to permit of the free circulation of the liquid.
Upon each of the faces of the separators are fixed semi-circular beadings corre-
sponding one with the other. The arrangement of a 'number of such beading:
upon the celluloid or other plate constitutes a complete separator.
At its lower end each separator is formed with a projecting portion which rests
upon. the bottom of the cell or trough and thus prevents the positive and
negative plates from coming in contact with the bottom of the trough.
The negative plates are connected to one collector and the positive plates are
connected to another collector. The positive plates however are slightly smaller
than the negative plates in order to allow the positive plates to expand during
formation.
The various positive and negative plates with their separators are held together,
by means of bands which prevent any deformation of the structure.
The advantages derived from the improvements which
described are as follows:
have hereinbefore
1. The accumulator is rendered manageable and it is easy to cleanse the
troughs of the accumulated material which falls off from the positive plates.
2. It is possible, with this arrangement, to utilize the positive plates to the very
end of their disintegration, the warping of the plates is obviated or at least
0 regulated in such a manner that the space between the positive plates always
remain the same.
Dated this 4th day of December 1899.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.

page_text: I, ANATOLE PERRIN, of Levallois Perret, in the Department of Seine, Republic
of France, Engineer, do hereby declare the nature of this invention and in what
manner the same is to be performed, to be particularly described and ascer-
tained in and by the following statement:-
This invention relates to electric accumulators and has for its object certain
improvements particularly described hereinafter and finally pointed out in the
claims.
In order that my invention may be readily understood and carried into effect
I will describe the same fully with reference to the accompanying drawings in
which
Figure 1 represents a perspective view of an electric accumulator embodying
my invention, and
Figure 2 is a plan and side elevation shewing the separator rods hereinafter
described.
In carrying my invention into effect I insert between the positive-plates c and
negative plates of the accumulator, separator plates e provided with mouldings
or beadings g adapted to prevent contact between the said positive and negative
plates and consequently obviate internal short circuiting.
Each of the said separator plates is essentially composed of a plate e of celluloid
or other material which is a non-conductor of electricity, perforated with holes f
so as to permit of the free circulation of the exciting liquid.
Upon each of the faces of the separators are fixed semi-circular beadings g
corresponding one with the other. The arrangement of a number of such bead-
ings upon the celluloid or other plate constitutes a complete separator.
At its lower end each separator is formed with a projecting portion i which
rests upon the bottom of the cell or trough and thus prevents the positive and
negative plates from coming in contact with the bottom of the trough.
The negative plates d are connected to one collector and the positive plates c
are connected to another collector b. The positive plates however are slightly
smaller than the negative plates in order to allow the positive plates to expand
during formation.
The various positive and negative plates with their separators are held together
by means of bands h which prevent any deformation of the structure.
An electric accumulator constructed in accordance with my invention is con-
siderably more manageable than those heretofore in use, inasmuch as it is easy
.. to cleanse the troughs when these latter become clogged with the accumulated
material which falls from the positive plates and, it is moreover possible with
my improved arrangement, to utilize the positive plates to the very end of their
disintegration; warping being obviated or at least regulated or reduced in such
a manner that the space between the posititve plates always remains the same.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed, I declare that what
I claim is:-
1. In electric accumulators the use of positive plates of smaller size than the
negative plates, said plates having arranged between them separators formed of
perforated plates of celluloid or other non-conducting material upon each side
of which are arranged beadings or mouldings adapted to prevent contact between

page_text: said plates, substantially as herein before described and illustrated by the accom-
panying drawings.
2. An electric accumulator constructed arranged and combined substantially
as herein before described and for the purposes specified.
Dated this 16th day of August 1900.
HASELTINE, LAKE & Co.,
45, Southampton Buildings, London, W.C.,
Agents for the Applicant.