Year: 1886

page_text: Date of Application, 28th Aug., 1886.
Complete Left, 28th May, 1887.
Complete Accepted, 1st July, 1887.
We, WILLIAM SOHOLES LEES, of Morton Street, Oldham, in the County of
Lancaster, Gas Engineer, and FRANK SCOTT LEES, of Lausanne Road, Hornsey, in
the County of Middlesex, Gas Governor Manufacturer, do hereby declare the nature
of this invention to be as follows :-
Our invention relates to gas governors or regulators in which a constantly uniform
pressure of gas is maintained in burners, by means of an inverted cup or dome the
lower edge of which dips into an annular trough containing mercury, so as to form a
gas-tight seal, the cup or dome being connected with a valve or valves which regulate
the supply of gas in such manner that when the pressure of gas increases the cup or
dome rises and the valve or valves partially close and reduce the supply, whilst if the
pressure of gas decreases the cup or dome falls and the valve or valves open and
increase the supply proportionately.
In such governors or regulators it is important that compensation should be made
for the variable effective weight of the cup or dome caused by the greater or less
immersion of its lower edge in the mercury as it falls or rises, and Letters Patent
for a method of effecting such compensation were granted to William Carter, dated
the 27th of May A.D. 1881 and numbered 2343, in which an accelerating weighting
contrivance is described and claimed consisting substantially of a pivotted weighted
lever operated upon by the cup or dome as it rises and falls in such manner that the
effective weight upon the cup or dome varies as required.
For the purpose of adjusting the permanent weight of the cup or dome so that it
may operate effectually and accurately in the circumstances in which it is to be used,
one or more weights of lead or other suitable material are adjusted upon the cup or
dome until its action is found by experiment to be correct, and they are then left
permanently fixed upon it.
Our present invention has for its object more especially a novel form of construction
and arrangement by which such permanent adjustment of the weight of the cup or
dome may be effected without the use of such separately adjusted weight or weights.
For this purpose we form upon or attach to the weight used for compensating the

page_text: varying immersion of the edge of the cup or dome in the mercury as above described,
an arm preferably horizontal and having a screwed thread formed upon it, upon
which is fitted so that it can be readily screwed in or out a metallic or other sufficiently
heavy weight.
The compensating weight first already described is carried by a horizontal pivotted
lever one end of which is arranged so as to force down the central vertical spindle of
the cup or dome, as described and shewn in the specification No. 2343 A.D. 1881
already referred to, and by the novel method of construction described the permanent
weight upon the said spindle can be accurately adjusted and determined by screwing
in or out the weight upon the screwed horizontal arm, whilst the weight the varying
position of which as the cup or dome rises or falls compensates for the varying
immersion of the latter in the mercury remains unaltered, the two weights being
carried by the same pivotted lever.
Or, the weight last described may be omitted altogether, the moveable screwed
weight only being used, and the horizontal arın upon which it is screwed being fixed
at the upper end of a vertical arm formed upon or fixed upon the horizontal pivotted
lever, in such a position that whilst the permanent weight upon the cap or dome can
be exactly adjusted by screwing the weight in or out as described, the latter also
serves effectually by its varying position as the cup or dome rises or falls to regulate
the varying effective woight of the latter caused by its varying immersion in the
mercury.
Instead of a vertical arm carrying a horizontal screwed arm as described, an
inclined screwed arm may be used rising diagonally from the horizontal pivotted
lever and carrying the screwed weight.
Or, instead of the arrangements described, a separate horizontal lever carrying a
screwed weight may be used, the lever being pivotted to a support suitably arranged,
so that the weight tends to depress the cup or dome, the pressure being adjusted as
required by screwing the weight in or out.
In the different arrangements described, the weight may be adjusted by sliding it
on the arm to the required position instead of screwing it along the latter.
In order to reduce the friction between the upper end of the spindle of the cup or
dome and the lever which presses upon it, we fit and attach, by cement or other
convenient means, a plate of glass or other sufficiently hard and durable material
below the end of the pivotted lever which rests upon the upper end of the spindle.
The upper end of the spindle may also itself be provided with a pointed or rounded
cap or extremity of glass or other similarly hard material.
In cases where it is desired that the gas supply pipe to the governor or regulator
may be connected either to the side or to the bottom of the apparatus as may be
desired, we make corresponding openings in the lower part of the apparatus, stopping
up the opening which is not used with a plug or stopper; and we make both openings
communicate with a chamber upon the upper side of which is an opening upon which
is formed or fixed a pipe communicating by two branch pipes with the space between
the two valves which constitute an equilibrium valve, as described and shown in the
specification No. 2343 A.D. 1881 ulready referred to.
L' Ammen 100
EDWARDS & Co.,
35, Southampton Buildings, London,
Agents for the Applicants.

page_text: We, WILLIAM SOHOLES LEES, of Morton Street, Oldham, in the County of Lancaster,
Gas Engineer, and FRANK SCOTT LEES, of Lausanne Road, Hornsey, in the County
of Middlesex, Gas Governor Manufacturer, 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 and accompanying drawing, that is
to say:
Our invention relates to Gas Governors or regulators in which a practically uniform
pressure of gas is constantly maintained in burners, by means of an inverted cup or
done the lower edge of which dips into an annular vessel or trough containing mercury
so as to form a gas-tight seal, the cup or dome being connected with a valve or valves
which regulate the passage of gas through the apparatus in such manner that when
the pressure of gas increases, it raises the cup or dome and partially closes the valve
or valves so as to reduce the supply of gas, whilst if the pressure of the gas decreases
the cup or dome falls, opening the valve or valves and so increasing the supply
proportionately.
In such governors or regulators it is important that proper compensation should be
made for the variation in the effective weight of the cup or dome caused by the greater
or less immersion of its lower edge in the mercury as it falls or rises; and Letters
Putent for a method of effecting such compensation were granted to William Carter,
dated May 27th A.D. 1881, and numbered 2343, in which an accelerating weighting
contrivance is described and claimed, consisting substantially of a pivotted weighted
lever operated upon by the dome or inverted cup as it rises and falls, in such manner
that the effective weight upon the cup or dome varies as required.
In the said invention of William Carter, for the purpose of adjusting the permanent
weight of the cup or done so that it may operate effectually and accurately in the
circumstances in which it is to be used, it is usual to use one or more weights of lead
or other suitable material adjusted upon the cup or dome until its action is found by
experiment to be correct, and they are then fixed or left permanently upon it.
Our present invention has for its object more especially a novel form of construc-
tion and arrangement by which such permanent adjustment of the weight of the cup
or dome can be effected without the use of any separately adjusted weight or weights
such as those just described.
For this purpose we form upon or attach to the weight used for compensating the
varying immersion of the edge of the cup or dome in the mercury as above described,
an arm preferably horizontal or nearly so having a screwed thread formed upon it
upon which is fitted so that it can be readily screwed in or out along the arm, Д
metallic or other sufficiently heavy weight.

page_text: The compensating weight first already described is carried by a horizontal pivotted
lever, one end of which is arranged so as to force down the central vertical spindle of
the cup or domo, as described and shewn in the Specification No. 2343, A.D. 1881
already referred to, and by our novel method of construction described the permanent
weight upon the said spindle of the cup or dome can be accurately and easily adjusted
and determined by screwing in or out the weight upon the horizontal arm, whilst the
other weight, the varying position of which as the cup or dome rises or falls compen-
sates for the varying immersion of the lower edge of the latter in the mercury,
remains unaltered, the two weights being carried upon the same pivotted lever.
Or, in cases where it is only required to regulate the permanent pressure upon the
cup or dome the weight last described may be omitted altogether, the moveable screwed
weight only being used, and the horizontal arm upon which it is screwed being fixed
at or near the upper end of a vertical arm, formed or fixed upon the horizontal pivotted
lever in such a position that the permanent weight upon the cup or dome can be
adjusted by screwing the weight in or out as described.
Instead of a vertical arm carrying a horizontal screwed arin as just described, a
single inclined screwed arm may be used rising diagonally from the horizontal pivotted
lover, and carrying the scrowed weight.
A separate and independent horizontal lover carrying a screwed weight may be
used, the lever being pivotted to a support suitably arranged so that the weight tends
to depress the cup or dome the pressure being adjusted as required by screwing the
weight in or out.
In the different arrangements described, the weight may be adjusted by sliding it to
the required position upon the arm, instead of screwing it along the latter.
In order to reduce the friction between the upper end of the spindle of the cup or
dome and the lower side of the lever which presses upon it, we fit and attach by cement
or other convenient means, a plate of glass or other sufficiently hard and durable
material below the end of the horizontal lever where it rests upon the upper end of
the spindle. The upper end of the spindle may also be itself provided with a pointed
or rounded cap or extremity of glass or other similarly hard material.
The accompanying drawing is in illustration of our invention, figure 1 being a
vertical longitudinal section through an improved governor or regulator, figure 2
being a vertical transverse section and end view of the same, and figure 3 a plan.
Figure 4 is a section of a somewhat modified form of arrangement.
a is the shell or case of the apparatus, having the openings a¹, a³, for the outlet and
inlet of the gas. b, b, are the valves fitting against the seats c, c², and connected
together by the spindle d, upon which is fixed the inverted cup or dome e, the lower
edge of which dips into mercury in the trough f. The upper end of the spindle d
passes through a guide g, and is pressed down by the lover turning upon the centre i
and carrying the weight k the varying position of which as the inverted cup e rises
or falls, compensates for the varying effective weight of the latter caused by the greater
or less immersion of its edge in the mercury. The arm which carries the weight k
is provided with the horizontal screwed ariu, upon which is screwed the weight m
the position of which can be varied by screwing it in or out, so as to adjust and
determine the requisite permanent pressure with which the cup e is forced down, and
at which the gas leaves the outlet, the weight being omitted, as already described,
where it is not required to compensate for the varying immersion of the cup or
dome.
n is a glass or other hard plate upon the lever h, which presses upon the upper end
of the spindle d.
In figure 4, is shewn a modified arrangement in which the screwed arm is fixed
at the level of the centre upon which the lever turns, the movement of the weight m
being more directly vertical.
A screwed arm and weight m may be arranged upon each side of the spindle d,
and the bracket g which carries the lever and weights is shewn fixed to one side of
the apparatus only, instead of forming a bridge across the latter as in figure 1, so
that in this way the weight or weights m have more room.

page_text: By the different novel methods of construction and arrangement described and
shewn, the governor or regulator is made very perfect in its action, and can be quickly
and easily adjusted.
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 :-
1. The combination of the weighted lever k, the arm 1 and adjustable weight m,
substantially as and for the purposes described and shewn.
2. The single arm carrying an adjustable weight for the purpose of regulating the
permanent pressure upon the cup or dome, substantially as described.
3. The combination with the weighted lever k of a separate and independent lever
carrying an adjustable weight, substantially as and for the purposes described.
4. The glass or other hard plate or surface to reduce the friction between the
spindle d, and the lever h, substantially as described and shewn.