Year: 1887

page_text: We SAMUEL BENNETT of Moss Lane East, Moss Side, Manchester, Consulting
Engineer, and ROBERT GRUNDY BROOKE of St. Simons Works, Salford Engineer,
both 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 :-
The invention relates to improvements in valves or taps, and has principally for its
object the employment of a metal chamber diaphragm sliding in a flanged collar, in
combination with a spindle valve, either provided with a thread, or a float, for the
purpose of opening or closing, and forcing the valve down upon its seat or outlet port,
by the pressure of water or steam.
And in order that our invention may be better understood we have caused to be
appended hereunto one sheet of drawings, marked with letters of reference, similar
letters indicating like parts throughout the various figures.
Figs. 1 and 2, are vertical sections respectively of our improvements in valves and
taps.
The first part of our invention (referring to Fig. 1) consists in fixing between the
flanges of a metal valve casing a, a metal chamber diaphragm b, sliding in a flanged
collar c which latter may be made part of the casing a, or fitted thereto, the valve
casing a being formed with a chamber d above the diaphragm b, and an outlet or
discharge port a', and the metal diaphragm with a valve face e.
This latter may be a ground metal valve, or it may be provided with a disc or
washer of suitable flexible material, and is formed with guide ribs fand an outlet or
nina a

page_text: The top part of the diaphragm 6 slides in a flanged collar c, the flange h of which is
fitted into a corresponding recess, formed in the bottom part of the metal valve
casing a.
The top of the flanged collar c forms an annular rim i which enters the top part of
the metal valve casing a, and the bottom part of the flanged collar c, a stop for the
diaphragm b when the valve is open.
The pressure of steam or water is admitted into the chamber d of the valve casing a
above, from below the collar c, through the space between the diaphragm b, and the
flanged collar c, the outlet from the chamber d passing through the chamber and
outlet or pipe g of diaphragm b.
The outlet of the chamber d above the diaphragm b, is controlled or regulated by
means of a screwed spindle valve k, the bottom of which forms a valve face ¹ and fits
against a valve seat 1, formed on the top of, or outlet, or pipe g of the diaphragm b
serving to reduce the pressure above the diaphragm b, the external pressure around
the latter opening the valve and allowing the water or steam to pass through the
same.
The spindle & above the lower valve seat is provided with a thread, and screws
into the lower part of the stuffing box m, which is fitted into the upper portion of the
valve casing a, & is at its upper end provided with a cross head or wheel 2 for the
purpose of actuating the same.
An additional valve face m is formed below the screwed part on the valve spindle k,
fitting onto a valve seat on the bottom of the stuffing box m, serving to cut off the
pressure from the stuffing box when required.
The second part of our invention (referring to Fig. 2), consists in making a metal
valve casing a with inlet ports a², through the side thereof, covered with wire gauze p,
and provided with an outlet discharge port a' at the bottom, and a metal chamber
diaphragm b, sliding in a flanged collar c fixed between the flanges of the valve casing a,
and a chamber d above the diaphragm h. The water or steam on entering the valve
casing a passes between the collar c and diaphragm b, into the chamber d, and then
through the chamber and outlet or pipe g of the diaphragm b.
The outlet from the chamber d, above the diaphragm bis regulated by a spindle
valve k, which passes through the top of the valve casing a, and is at its upper end
provided with a bell or other float q.
The metal valve a with the metal chamber diaphragm 6 sliding in the flanged
collar c, together with the valve spindle and bell or other float q, is enclosed within
an outer metal casing or chamber r, formed with an inlet s through the top, and an
outlet t through the bottom of the same, which latter is in communication with the
discharge outlet a' of the valve casing a, and also an outlet u through the bottom for
emptying the chamber n, between the outer and valve casing r and a, when required.
Above the bell or other float q is attached to the outer casing r, a bonnet v,
provided with ports », which serves to distribute the water or steam issuing from the
inlet port s.
For practical use the chamber n will be charged with water until it lifts the bell or
other float q and the valve spindle k, thereby releiving the pressure in the chamber d
above the diaphragm b to lift the valve, and the excess of water in the chamber d to
escape through the outlet or pipe g of the diaphragm 6 into the outlet t.
The second part of our invention may also be applied for discharging the water
from steam chests, pipes or other vessels.
Having now particularly described and ascertained the nature of our invention, and
in what manner the same is to be performed, we declare that what we claim is :-
In valves or taps :-
1st. The general combination and arrangement of parts constituting our
improvements, for the purposes and substantially in the manner hereinbefore
described and shown.
2nd. The metal chamber diaphragm b. the upper portion of which is sliding in a

page_text: flanged collar C,
and the lower portion forming a valve face e, and having guide ribs f
and an outlet or pipe 9, in combination with a screwed spindle k, actuated by hand,
the lower end of which is provided with two valve faces and m, fitting to
corresponding seats 7 & 1, formed on the outlet or pipe g of the diaphragm and the
lower end of the stuffing box m, respectively, substantially as set forth, and for the
purpose specified.
3rd. The diaphragm b constructed and arranged as specified in the preceding claim,
in combination with a spindle k, the lower end of which is formed with a valve
facing, fitting onto a corresponding seat l, formed on the outlet or pipe g and
provided at its upper end with a bell or other float q, which is partly surrounded by a
bonnet v acting as a distributor the whole being enclosed in a casing substantially as
set forth and for the purpose specified.