Year: 1887

page_text: Date of Application, 16th Mar., 1887
Complete Left, 16th Dec., 1887
Complete Accepted, 10th Feb., 1888
CHARLES MAYNARD_WALKER 39 Landcroft Road Dulwich, Surrey Engineer do
hereby declare the nature of this invention to be as follows:-
The object of the present invention is to construct an apparatus to be attached to
the gas supply pipe in such a manner that when, from an increase of pressure the
quantity of gas passing through would increase unduly at the burning point, the
increased pressure is caused to automatically decrease the gas way, and thus check
the supply of gas.
For this purpose I construct a socket, of any suitable size, shape or material
preferably with a female screw at both ends, into which are screwed the inlet and
outlet pipes, forming and continuing the gas supply, one or both of the ends of these
pipes are fitted with a perforated plate of a size suitable to the required quantity of Gas
to be passed-between these ends are placed, loosely, a convenient number of flat pieces
of thin Asbestos paper, or other suitable flexible material, the first and last one being
also perforated, the regulator being now fixed into its position, will work equally well
whether placed to act upwards, downwards horizontally or at any angle-thus the loose
pieces of Asbestos, when the pressure of Gas is small, lay loosely together and allow the
Gas to pass through the perforations freely-but when the Gas pressure increases they
are pushed closer together, and upon the perforated plate, and check the passage of the
gas the regulator containing no delicate parts, is readily adapted to be used above
Regenerative Gas Lamps (as the Asbestos is unaffected by the heat) or may be placed
immediately under or attached to Gas burners.

page_text: CHARLES MAYNARD WALKER 39 Landcroft Road Dulwich Surrey Engineer
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:
For the purposes of this invention I construct the apparatus as shewn in the
annexed drawing, of any suitable size shape or material-I arrange the parts A
and B so that when screwed together a convenient space is left between the
orifices of the gas way, and in this spaco 1 arrange one or more leaves of
Asbestos paper or other suitable flexible material as D--I prefer to make A and B
with male and female screws-I further insert a check screw C for the purpose
ΟΙ
of increasing or diminishing the gas way-the inlet and outlet for gas may bo
the orifice in A or B-The action of the apparatus is as follows; (whether in use
as an ascension or descension governor)-at the normal pressure of Gas a given
quantity of gas passes by the loosely lying leaves, and through the orifice to the
Gas burner, but an increase of Gas pressure will press the leaves closer together
and more tightly cover the orifice, thus reducing the passage of Gas, a decrease in the
pressure causing a reversal in the action.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what
I claim is
1-In apparatus for regulating the supply of Gas to burner, the use of Asbestos
paper, or other flexible material substantially as shewn in the drawing annexed.
2-The combination of parts substantially as herein before described with reference
to the annexed drawing.