Improvements in Gas Regulators.
Year: 1890

page_text: Date of Application, 10th Oct., 1890
Complete Specification Left, 8th July, 1891-Accepted, 29th Aug., 1891
PROVISIONAL SPECIFICATION.
Improvements in Gas Regulators.
We Jons HAWKYARD Foreman and JOSEPH BRADDOCK Gas Engineer both
of Globe Meter Works Oldham in the County of Lancaster do hereby declare the
nature of this invention to be as follows:-
This invention relates to that class of gas regulators known as "gas station
governors" employed for keeping the gas in the mains at a certain regular pressure
whatever may be the pressure in the gasometer and to compensate for any sudden
increase or decrease of the consumption.
gas
Our improved regulator is to be applied between the gasometer and the main
and consists principally of a gas chamber divided by a partition or midfeather
forming an inlet and an outlet chamber.
In the midfeather are two openings (one near to each end) the edges of which
are faced so as to form seatings, or they are fitted with seatings and they are pro-
vided with two light conical valves one closing upwards and the other closing
downwards through which the gas passes from the inlet to the outlet chamber.
These two valves are connected by valve rods and chains or cords to the two
opposite curved ends of a balance beam the centre of which is supported on pivots
carried in or on a central pillar.
The rod of the valve which closes downwards passes out through an ordinary
"water scal" in the top of the outlet chamber.
"water
The rod of the valve which closes upwards also passes out through a
seal" at the top of the outlet chamber but the water tank of this "scal" is made of
larger diameter and to the top of the valve rod is attached a bell or receiver also
of a larger diameter, and a pressure controlling tube is also fitted in the top of the
outlet chamber open at both ends so as to admit gas from the said chamber into the
bell or receiver above the water level.
The valves or the beam, must be weighted to correspond with the desired
pressure and keep both valves open so long as this normal pressure is maintained.
If the pressure in the outlet chamber increases, the bell or receiver will rise and
close both the valves more or less as may be required so as to diminish or shut off
the supply and on the other hand if the pressure in the outlet chamber should
decrease the " bell" descends and opens both valves wider so as to increase the
supply and as the outlet chamber is in direct communication with the mains the
pressure of gas in the latter will always be kept regular.
Dated this:9th day of October 1890.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicants.
COMPLETE SPECIFICATION.
Improvements in Gas Regulators.
We JOHN HAWKYARD, Foreman, and JOSEPH BRADDOCK Gas Engineer, both
of Globe Meter Works Oldham in the County of Lancaster 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:-
37
This invention relates to that class of gas regulators known as "gas station
governors eniployed for regulating or controlling the pressure in the mains what-
ever may be the pressure in the gasometer or other source of supply, and to com-
'pensate for any increase or decrease of the consumption.

page_text: The nature of our said invention, and the manner in which the same is to be
performed or carried into practical effect will be readily understood on reference
to the sheet of illustrative drawings hereunto annexed and the following explanation
thereof.
Fig. 1 on the drawings is a vertical section of our improved gas regulator, and
Fig. 2 is an end elevation thereof.
Our improved regulator consists principally of a gas chamber A divided by a
partition or midfeather forming an inlet chamber a and an outlet chamber a
communicating with the gas main.
In the midfeather bare two openings c and d (one near to each end) the edges of
which are faced so as to form seatings (or they may be fitted with seatings as shown
on the drawing) and they are provided with two parabolic or other form of valves e
and one (e) closing downwards and the other () closing upwards, through which
the gas passes (as shown by the arrows) from the inlet chamber a to the outlet
chamber a¹.
These two valves e and are connected by valve rods and chains h (or cords)
to the two opposite ends of a balance beam the centres of which are supported on
pivots or knife edges carried in or on a central pillar 7.
"
The rod g of the valve e (which closes downwards) passes out of the chamber a
through an ordinary "water-seal m in the top of the outlet chamber a¹ and the
rod of the valve (which closes upwards) also passes out through a "water-
sealm at the top of the outlet chamber, but the water tank m' of this "seal" is
made of larger diameter, and to the top of the valve rod 7 is attached a bell or
receiver n also of large diameter and a pressure-controlling tube o open at both
ends, is also fitted in the top of the outlet chamber a' so as to admit gas from the
said chamber into the bell or receiver n above the water level.
By this arrangement of two valves balancing each other and acting in opposite
directions in combination with a bell or receiver we are enabled to use exceedingly
light valves and to dispense with the use of the heavy valves and counterbalance
weights heretofore employed and thus to greatly diminish the weight and expense
of the "governor" required for a main of a given diameter.
The tops of the water-seals at w w¹, must be weighted to correspond with the
desired pressure, and so that both valves will be kept open (as shown at Fig. 1.) so
long as this normal pressure is maintained.
If from diminution in the consumption of gas (or from other causes) the pressure
in the outlet chamber a' increases the bell or receiver will be raised and thus
close both the valves e and more or less as may be required, so as to diminish or
shut off the supply; and on the other hand, if the pressure in the outlet chamber a¹
should decrease, the bell a descends and opens both valves e and wider so as to
increase the supply, and as the outlet chamber a' is in direct communication with
the gas main the pressure of the gas in the latter will always be kept regular.
The balance beam may be provided with a graduated quadrant and a fixed
pointer to indicate the variations of pressure and the valves e and may advan-
tageously be provided with spindles e and to keep them central and prevent
oscillation, and one or both of the chains may be fitted with adjusting screws h³
to set the valves so that they shall open and close together with absolute accuracy.
By carrying the back pressure tube o through the mid-feather b, a may be the
outlet chamber, and a¹ may be the inlet chamber.
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 -
<
First. The improved "gas regulator" or gas station governor" constructed and
arranged substantially as hereinbefore described and illustrated by the drawings
annexed.
Secondly we claim the combination with a gas chamber divided into two com-
partments by a midfeather, of two valves (one closing upwards and the other closing

page_text: downwards) connected by rods and chains to opposite ends of a balance beam, one
of the said valves being connected to a bell or receiver dipping into a water cistern
and provided with a back pressure pipe connecting the upper part of the said
receiver with the gas outlet compartment so that increase or decrease of pressure
in the latter will cause the valves to close or open so as to decrease or increase the
supply accordingly and thus maintain the desired pressure in the gas main.
Dated this 7th day of July 1891.
GEO. DAVIES & SON,
4, St. Ann's Square, Manchester, Agents for the Applicant.