A New or Improved Method of Registering Separately the Consumption of Gas by Night and by Day Respectively, and Apparatus therefor.
Year: 1885

page_text: A New or Improved Method of Registering Separately the
Consumption of Gas by Night and by Day Respectively,
and Apparatus therefor.
I WILLIAM PHILLIPS THOMPSON, Fel. Inst. P.A., of the Agency for Foreign
Patent Solicitors 6 Lord St. Liverpool in the County of Lancaster and 323
High Holborn in the County of Middlesex Civil Engineer do hereby declare the
nature of the said invention for "A NEW OR IMPROVED METHOD OF REGISTERING
SEPARATELY THE CONSUMPTION OF GAS BY NIGHT AND BY DAY RESPECTIVELY, AND
APPARATUS THEREFOR," (a communication from abroad by Joseph Wybauw of
Brussels in the Kingdom of Belgium Engineer) to be as follows:-
The gas meter herein after described has for its object the registering of the
amount of gas consumed during the day and the night respectively, the mechanism
being actuated by means of variations in the gas pressure exercised by the gas
works itself.
This is effected by means of a bell plunging into glycerine or mercury connected
to the gas pipe by a small tube. This bell is lifted or lowered according to the
amount of gas pressure, and communicates its movement through a lever to a con-
necting muff fixed to a vertical shaft. This latter is set in motion by a common
gas meter provided with ordinary dials for the registering of the whole amount of
the consumed gas. Another set of similar dials has its indices set in motion by
the connecting muff when the bell is lifted to a certain height. The consequence
of this is that when the connecting muff is raised the lower dial indices alone are
set in motion, and when the connecting muff is lowered, the upper dial indices are
connected to the lower ones and both together are set in motion.
At the side of the reservoir containing the glycerine or mercury in which
plunges the bell, a crooked lever is pivoted and the corresponding side of the bell
is provided with a catch disposed in such a manner that whenever the bell is
lifted by an excess of pressure, the long arm of the crooked lever takes hold of the
catch and keeps the bell up although the pressure diminishes afterwards. In this
position both dials are set to work.

page_text: Should the pressure increase, a heel fixed at the side of the bell comes into
contact with the short arm of the crooked lever upsetting the long arm of same,
and the bell being free may be lowered enough to disconnect the shaft acting on
the upper dials. In this position the lower dial indices are alone set to work.
An intermediate projection has for its object to replace the crooked lever in
position when the bell is lowered. The bell may also be replaced by a membrane
acting immediately on the upper lever.
The coupling and uncoupling of the two sets of dial indices may be operated by
a clockwork fixed to the gas-meter, and also without any bell by the consumer
himself by means of a key or similar object; but in this case means must be
provided for reading off from the outside by a manometer or other means.
Having now described the invention, the way it acts is as follows.
When the night pressure is given, the bell is raised and kept in this position by
the long arm of the crooked lever; the upper dials being connected at the same
time, both dial's indices are in operation. At morning a sufficient pressure is given
to upset the crooked lever and the pressure being immediately lowered, the bell
falls down and the upper shaft being disconnected, the upper dial indices are set
out of motion.

page_text: www
Consumption of Gas by Night and by Day Respectively,
and Apparatus therefor.
I, WILLIAM PHILLIPS THOMPSON, Fel. Inst. P.A. of the Agency for Foreign
Patent Solicitors, 6 Lord Street Liverpool in the county of Lancaster, and
323 High Holborn in the county of Middlesex, Civil Engineer do hereby declare
the nature of this invention (a communication from abroad by Joseph Wybauw
of Brussels in the Kingdom of Belgium, Engineer) and in what manner the same
is to be performed, to be particularly described and ascertained in and by the
following statement:―
The gas meter herein after described has for its object the registration of the
amount of gas consumed during the day and the night respectively, the mechanism
being actuated by means of variations in the gas pressure, exercised by the gas
works itself.
This is effected by means of a bell plunging into glycerine or mercury, connected
to the gas pipe by a small tube. This bell rises or sinks according to the amount
of gas pressure, and communicates its movement through a lever to a connecting
muff fixed to a vertical shaft. This latter is set in motion by a common gas meter,
provided with ordinary dials for the registering of the whole amount of the gas
consumed. Another similar set of dials has its indices set in motion by the con-
necting muff when the bell is lifted to a certain height. The consequence of this
is that when the connecting muff is raised, the lower dial indices alone are set
in motion, and when the connecting muff is lowered, the upper dial indices are
connected to the lower ones, and both together are set in motion.
At the side of the reservoir containing the glycerine or mercury in which
plunges the bell, a crooked lever a is pivoted, and the corresponding side of the
bell is provided with a catch arranged in such a manner that whenever the bell
is lifted by an excess of pressure, the long arm of the crooked lever takes hold of
the catch and keeps the bell up, although the pressure diminishes afterwards. In
this position both dials are set to work.
Should the pressure increase, the bell lifts an additional weight P and a beel m
fixed at the side of the bell, comes into contact with the short arm of the crooked
lever, upsetting the long arm of same, so that the bell being free may be lowered
enough to disconnect the shaft acting on the upper dials. In this position the
lower dial indices are alone set to work.
An intermediate projection n has for its object to replace the crooked lever in
position when the bell is lowered. The bell may also be replaced by a membrane
acting on the upper lever.
(The coupling and uncoupling of the two sets of dial indices may be operated by
a clock work fixed to the gas meter, and also without any bell by the consumer
himself, by means of a key or similar object, but in this case means must be
provided for reading off from the outside by a manometer or other means. The
key may be combined with a cock on the lighting service pipe, the turning on or
i

page_text: off of which makes the two indices coupled or uncoupled. In this case, there is a
special pipe for gas consumed as fuel, and the consumer can only get lighting gas,
when the cock is turned and the two indices work together.)
The described apparatus works as follows:
When the night pressure is turned on, the bell is raised and kept in this position
by the long arm of the crooked lever, the upper dials being connected at the same
time, both dial's indices are in operation. At morning, a sufficient pressure is
given to upset the crooked lever, and the pressure being immediately lowered, the
bell falls down, and the upper shaft being disconnected, the upper dial indices aro
set out of motion.
Having now particularly described and ascertained the nature of the said
invention and in what manner the same is to be performed as communicated to
me by my foreign correspondent, I declare that what I claim is
1st In a wet or dry gas meter, the adjunction of a second index for the separate
registration through the same meter of a part of the gas consumption.
2nd In a double index gas meter, the coupling or uncoupling of the two indices,
either through the gas pressure, or by the means of clockwork, or by the con-
sumer himself.
3rd In a double index gas meter, worked through the gas pressure, the use of a
crooked lever, the object of which is to prevent a wrong registration on account of
a decrease of pressure caused by a greater gas consumption, or by the gas works.
كيمو