Improvements in Electric Meters.
Year: 1889

page_text: Date of Application, 29th July, 1889
Complete Specification Left. 22nd May, 1890-Accepted, 5th July, 1890
PROVISIONAL SPECIFICATION.
Improvements in Electric Meters.
WALTER EMMOTT, Electrical Engineer, Square Road, Halifax and WILLIAM
ACKROYD, Analytical Chemist, Royal Insurance Buildings Halifax do hereby declare
the nature of this invention to be as follows:-
A receiver over the electrodes and dipping into the electrolyte is connected with a
closed vessel containing liquid. This closed vessel communicates with the outside by
means of a safety tube dipping into the liquid and is also provided preferably with a
syphon. Each time a given amount of gas is liberated by electrolysis the liquid in
the closed vessel is forced up the syphon and also up the safety tube until the bottom
of the safety tube is exposed when a quantity of gas is at intervals forced out of the
safety tube. The force of this escape is utilised to measure the amount of electricity
by means of a mechanical or other suitable device.
Dated this 26th day of July 1889
WALTER EMMOTT.
WILLIAM ACKROYD.
COMPLETE SPECIFICATION.
Improvements in Electric Meters.
We, WALTER EMMOTT, Electrical Engineer, Halifax, and WILLIAM ACKROYD,
Analytical Chemist, Halifax, 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:
DESCRIPTION OF DRAWINGS.
Fig. 1, shows an elevation of our improvements in electric meters, in section.
C, C, is the receiver, which may be over one or both of the electrodes B B,
which dip into the electrolyte or liquid within the vessel A, this vessel com-
municates with a second vessel D outside, by means of the receiver or collecting
tube C, C, which dips into the electrolyte or liquid passing to a second vessel D,
containing liquid, and within which is a wheel G, having air tight compartments, a
pinion wheel E gearing with a pinion F, fixed upon another shaft or centre on which
is a register or indicator; the action is as follows:
Each time a given amount of gas is liberated by electrolysis, the increase of
pressure in CC, causes a discharge of a quantity of gas from the delivery end
of C, C, into an airtight compartment of the wheel G, displacing the liquid therein,
and moving the wheel; the wheel communicates its movement to the pinion or its
equivalent upon the register, which registers the amount of electricity.
If required a guard H may be provided at C for directing any surplus gas into the
upper chambers or compartments of the wheel G ; a hood H¹ may be fixed over the
wheel G to carry off the gas or gases as they escape from the wheel.
Having now particularly described and ascertained the nature of this invention
and in what manner the same is to be performed, we would have it understood, that
we do not limit ourselves to the precise details shown and described, as the same may
be varied or modified without departing from the principle of our invention, but we
declare that what we claim is :-
For operating electric meters, the employment of a vessel containing liquid

page_text: within which are electrodes and a collecting tube communicating with a second vessel
so as to measure the amount of electricity such as shown and described.
2. The combination of the vessels A and D having electrodes B collecting tube C, (
and wheel G (or their equivalents) for operating a register or indicator, such as shown
and described.
noted the 20th
1000
JOHN E. WALSH,
Crossley Street, Halifax, Agent for the Applicants