A COMPOUND GALVANIC BATTERY
Year: 1884

page_text: PROVISIONAL SPECIFICATION.
We. STEPHEN HENRY EMMENS of 8 Argyll Street, Regent Street, in the
County of Middlesex, Electrical Engineer, and THE UNITED PATENTS CORPORATION
Limited of 8 Argyll Street aforesaid do hereby declare the nature of our
invention for A COMPOUND GALVANIC BATTERY to be as follows:-
8
The object of our invention is to produce a galvanic battery which shall combine
a high electromotive force with low internal resistance, great constancy and a
minimum of attendance and replenishing for keeping it in a state of efficiency.
We carry our invention into effect by constructing our battery partly of primary
cells and partly of secondary cells. The cells of each class may be of any known
construction. The lamp or other service circuit is attached to the poles of that
portion of thec battery consisting of the secondary cells which are coupled up in
series by means of cavaliers, switches or other suitable connections capable of easy
disengagement. The terminals of each secondary cell are likewise connected by
cavaliers, switches or other suitable means with two pole pieces in communication
with the poles of that portion of the battery consisting of primary cells. By this
arrangement the secondary cells may be charged in multiple arc and discharged in
series and it thus becomes possible to work lamps of high resistance from a
primary battery of even two cells. We furthermore are enabled to keep our
compound battery in perpetual operation if required. This. we accomplish by using
one or more secondary cells in addition to the number actually required for the
service circuit and by successively cutting out a corresponding number of such
cells and switching them on to the charging pole pieces; while. the primary cells,
if of suitable construction, may be kept constantly replenished with anodes and
electrolytes while at work. We prefer, however, to arrange our primary cells in
series of parallel groups so that we may adjust the; quantity of current to the
requirements of the service circuit and may also ensure the practically complete
exhaustion of the electrolytes in each successive parallel cell before cutting.out for
recharging.
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We are aware that secondary batteries have been charged by means of primary
batteries instead of by dynamo machines; but our invention is distinct from this.
It is a practical combination for bringing up the electromotive force of a primary
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page_text: battery to any.required degree of tension and thus reducing the labour of charging
and discharging, while at the same time it solves the problem of how to maintain a
secondary battery in constant operation without machinery. It also enables a
much greater range of electric potential in primary cells to be utilised for the
purpose of lighting than has hitherto been the case.
Dated this 17th day of October 1991
We STEPHEN HENRY EMMENS of 8 Argyll Street in the County of Middlesex,
Scientific Referee, and THE UNITED PATENTS CORPORATION, Limited, of 17 &
19 Pocock Street, Blackfriars, in the County of Surrey do hereby declare the
nature of our invention for A COMPOUND GALVANIC BATTERY 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 produce a galvanic battery which shall combine
a high electromotive force with low internal resistance, great constancy, and a
minimum of attendance and replenishing for keeping it in a state of efficiency.
We carry our invention into effect by constructing our battery partly of primary
cells and partly of secondary cells. The cells of each class may be of any known
construction. The lamp or other service circuit is attached to the poles of that
portion of the battery consisting of the secondary cells which are coupled up in
series by means of cavalier, switch or other suitable connections capable of easy
disengagement. The terminals of each secondary cell are likewise connected by
cavaliers, switches or other suitable means with two pole pieces in communication
with the poles of that portion of the battery consisting of primary cells. By this
arrangement the secondary cells may be charged in multiple arc and discharged in
series, and it thus becomes possible to work lamps of high resistance from a
primary battery of even two cells. We furthermore. are enabled to keep one
compound battery in perpetual operation if required. This we accomplish by.
using one or more secondary cells in addition to the, number actually required for
the service circuit and by successively cutting out a corresponding.number of such
cells and switching them on to the charging pole pieces while the primary cells, if
of suitable construction, may be kept constantly replenished with anodes. and
electrolytes while at work. We prefer, however, to arrange our primary cells in
_series of parallel groups so that we may adjust the quantity of current to the
requirements of the service circuit and may also ensure the practically complete

page_text: exhaustion of the electrolytes in each successive parallel cell before cutting out
for recharging.
We are aware that secondary batteries have been charged by means of primary
batteries instead of by dynamo machines; but our invention is distinct from this.
It is a practical combination for bringing up the electromotive force of a primary
battery to any required degree of tension and thus reducing the labour of charging
and discharging, while at the same time it solves the problem of how to maintain
a secondary battery in constant operation without machinery. It also enables a
much greater range of electric potential in primary cells to be utilised for the
purpose of lighting than has hitherto been the case.
Having now particularly described and ascertained the nature of our said
invention, and in what manner the same is to be performed we declare that what
we claim is
1. The combination in a galvanic Battery of primary and secondary cells
substantially in the manner and for the purposes described.
2. The combination in a Compound Galvanic Battery of pole pieces interposed
between the primary and secondary cells substantially as described.
T 1
EMMENS & Co.,
Agents for the Applicants.