Circuits of Secondary Generators Employed for the Distri- bution of Electrical Energy.
Year: 1885

page_text: வடு
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Circuits of Secondary Generators Employed for the Distri-
bution of Electrical Energy.
We, LUCIEN GAULARD Engineer and Chemist and JOHN DIXON GIBBS Esquire
both of 18 Warwick Street, Regent Street in the County of Middlesex do hereby
declare the nature of this Invention to be as follows:-
Having found by experiment that the actions in the apparatus constructed by
us up to the present time for the distribution of electrical energy by induction,
being of two natures, electro magnetic and electro static, the latter would be
prejudicial to the preservation of the apparatus, we have sought a means of pre-
venting the apparatus from acting as condensers, at the same time retaining their
full electro magnetic inductive power.
In order to arrive at this result taking the inducing and induced circuits of
a secondary generator which we have shown in the Figure I for clearer explana-
tion separated one from the other--"A" in the accompanying sketch being the
inducing and "B" the induced circuit.
We unite by a short circuit the poles N and N' of the inducing and induced
circuits and we place between the poles P and P¹ a resistance S of self induction
which by means of a moveable core T of iron may be so varied as to determine
in the derived secondary circuit feeding the lamps, the necessary difference of
potential, the electrical quantity supplying this circuit being determined by its
special coupling.
Under these conditions, the two circuits, primary and secondary of the secondary
generator being metallically connected no static charge capable of interfering with
the insulation of the primary and secondary spires is produced.
J. HENRY JOHNSON,
Agent for the said Lucien Gaulard
and John Dixon Gibbs.

page_text: bution of Electrical Energy.
We LUCIEN GAULARD Engineer and Chemist and JOHN DIXON GIBBS Esquire
both of 18 Warwick Street Regent Street in the County of Middlesex do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:-
Having found by experiment that the actions in the apparatus constructed by
us up to the present time for the distribution of electrical energy by induction
being of two natures Electro magnetic and Electro static the latter is prejudicial
to the preservation of the apparatus we have sought a means of preventing the
apparatus from acting as Condensers but at the same time allowing of the apparatus
retaining full electro magnetic inductive power.
In order to arrive at this result taking the inducing and induced circuits of
a Secondary Generator as illustrated by the accompanying Diagram, the coils
of which we have shewn for clearer delineation as being separated one from the
other "A" being the inducing circuit coil and "B" the induced circuit coil.
We unite by a short circuit the poles N and N¹ of the inducing and induced
circuits and we place between the poles P and P¹ thereof a resistance S of self
induction which by means of a moveable core T of iron may be so varied as to
determine in the derived Secondary circuit feeding the Lamps at X (or the equi-
valents thereof) the necessary difference of potential the electrical quantity supplying
this circuit being determined by its special coupling.
Under these conditions the two circuits primary and secondary of the Secondary
Generator being metallically connected no static charge capable of interfering with
the insulation of the primary and secondary spires or coils is produced.
Having now particularly described and ascertained the nature of the said
Invention and in what manner the same is to be performed we declare that what
we claim is
In secondary Generators employed for the distribution of electrical energy
uniting the primary and secondary circuits or coils thereof so as to prevent the
production of static charge substantially as and for the purposes hereinbefore
described,